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J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c Date: Tue, 8 Oct 2024 09:50:09 +0200 Message-ID: <20241008075023.3052370-2-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: 589e05f5-fb13-4baf-8e89-08dce76df4d6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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So, consolidate them into the existing lib/iomap_copy.c. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - Replaced shifts by 'qc *= ~0UL / 0xff' - Modification in v6.12-rc2: Include 'linux/unaligned.h' instead of 'asm/unaligned.h' --- include/asm-generic/io.h | 58 ++---------------- lib/iomap_copy.c | 127 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 133 insertions(+), 52 deletions(-) diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 80de699bf6af..f14655ed4d9d 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -102,6 +102,12 @@ static inline void log_post_read_mmio(u64 val, u8 width, const volatile void __i #endif /* CONFIG_TRACE_MMIO_ACCESS */ +extern void memcpy_fromio(void *to, const volatile void __iomem *from, + size_t count); +extern void memcpy_toio(volatile void __iomem *to, const void *from, + size_t count); +extern void memset_io(volatile void __iomem *dst, int c, size_t count); + /* * __raw_{read,write}{b,w,l,q}() access memory in native endianness. * @@ -1150,58 +1156,6 @@ static inline void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr) } #endif -#ifndef memset_io -#define memset_io memset_io -/** - * memset_io Set a range of I/O memory to a constant value - * @addr: The beginning of the I/O-memory range to set - * @val: The value to set the memory to - * @count: The number of bytes to set - * - * Set a range of I/O memory to a given value. - */ -static inline void memset_io(volatile void __iomem *addr, int value, - size_t size) -{ - memset(__io_virt(addr), value, size); -} -#endif - -#ifndef memcpy_fromio -#define memcpy_fromio memcpy_fromio -/** - * memcpy_fromio Copy a block of data from I/O memory - * @dst: The (RAM) destination for the copy - * @src: The (I/O memory) source for the data - * @count: The number of bytes to copy - * - * Copy a block of data from I/O memory. - */ -static inline void memcpy_fromio(void *buffer, - const volatile void __iomem *addr, - size_t size) -{ - memcpy(buffer, __io_virt(addr), size); -} -#endif - -#ifndef memcpy_toio -#define memcpy_toio memcpy_toio -/** - * memcpy_toio Copy a block of data into I/O memory - * @dst: The (I/O memory) destination for the copy - * @src: The (RAM) source for the data - * @count: The number of bytes to copy - * - * Copy a block of data to I/O memory. - */ -static inline void memcpy_toio(volatile void __iomem *addr, const void *buffer, - size_t size) -{ - memcpy(__io_virt(addr), buffer, size); -} -#endif - extern int devmem_is_allowed(unsigned long pfn); #endif /* __KERNEL__ */ diff --git a/lib/iomap_copy.c b/lib/iomap_copy.c index 2fd5712fb7c0..175d6930c293 100644 --- a/lib/iomap_copy.c +++ b/lib/iomap_copy.c @@ -3,8 +3,11 @@ * Copyright 2006 PathScale, Inc. All Rights Reserved. */ +#include #include #include +#include +#include /** * __iowrite32_copy - copy data to MMIO space, in 32-bit units @@ -76,3 +79,127 @@ void __iowrite64_copy(void __iomem *to, const void *from, size_t count) } EXPORT_SYMBOL_GPL(__iowrite64_copy); #endif + +#ifndef memcpy_fromio +/** + * memcpy_fromio Copy a block of data from I/O memory + * @to: The (RAM) destination for the copy + * @from: The (I/O memory) source for the data + * @count: The number of bytes to copy + * + * Copy a block of data from I/O memory. + */ +void memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) +{ + while (count && !IS_ALIGNED((long)from, sizeof(long))) { + *(u8 *)to = __raw_readb(from); + from++; + to++; + count--; + } + + while (count >= sizeof(long)) { +#ifdef CONFIG_64BIT + long val = __raw_readq(from); +#else + long val = __raw_readl(from); +#endif + put_unaligned(val, (long *)to); + + + from += sizeof(long); + to += sizeof(long); + count -= sizeof(long); + } + + while (count) { + *(u8 *)to = __raw_readb(from); + from++; + to++; + count--; + } +} +EXPORT_SYMBOL(memcpy_fromio); +#endif + +#ifndef memcpy_toio +/** + * memcpy_toio Copy a block of data into I/O memory + * @to: The (I/O memory) destination for the copy + * @from: The (RAM) source for the data + * @count: The number of bytes to copy + * + * Copy a block of data to I/O memory. + */ +void memcpy_toio(volatile void __iomem *to, const void *from, size_t count) +{ + while (count && !IS_ALIGNED((long)to, sizeof(long))) { + __raw_writeb(*(u8 *)from, to); + from++; + to++; + count--; + } + + while (count >= sizeof(long)) { + long val = get_unaligned((long *)from); +#ifdef CONFIG_64BIT + __raw_writeq(val, to); +#else + __raw_writel(val, to); +#endif + + from += sizeof(long); + to += sizeof(long); + count -= sizeof(long); + } + + while (count) { + __raw_writeb(*(u8 *)from, to); + from++; + to++; + count--; + } +} +EXPORT_SYMBOL(memcpy_toio); +#endif + +#ifndef memset_io +/** + * memset_io Set a range of I/O memory to a constant value + * @dst: The beginning of the I/O-memory range to set + * @c: The value to set the memory to + * @count: The number of bytes to set + * + * Set a range of I/O memory to a given value. + */ +void memset_io(volatile void __iomem *dst, int c, size_t count) +{ + long qc = (u8)c; 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J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 02/14] arm64: Use generic IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:10 +0200 Message-ID: <20241008075023.3052370-3-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: e3c820fd-3f38-4534-5c04-08dce76df5fc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - No changes --- arch/arm64/include/asm/io.h | 11 ----- arch/arm64/kernel/io.c | 87 ------------------------------------- 2 files changed, 98 deletions(-) diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 1ada23a6ec19..463067bffdfd 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -128,17 +128,6 @@ static __always_inline u64 __raw_readq(const volatile void __iomem *addr) #define IO_SPACE_LIMIT (PCI_IO_SIZE - 1) #define PCI_IOBASE ((void __iomem *)PCI_IO_START) -/* - * String version of I/O memory access operations. - */ -extern void __memcpy_fromio(void *, const volatile void __iomem *, size_t); -extern void __memcpy_toio(volatile void __iomem *, const void *, size_t); -extern void __memset_io(volatile void __iomem *, int, size_t); - -#define memset_io(c,v,l) __memset_io((c),(v),(l)) -#define memcpy_fromio(a,c,l) __memcpy_fromio((a),(c),(l)) -#define memcpy_toio(c,a,l) __memcpy_toio((c),(a),(l)) - /* * The ARM64 iowrite implementation is intended to support drivers that want to * use write combining. For instance PCI drivers using write combining with a 64 diff --git a/arch/arm64/kernel/io.c b/arch/arm64/kernel/io.c index ef48089fbfe1..fe86ada23c7d 100644 --- a/arch/arm64/kernel/io.c +++ b/arch/arm64/kernel/io.c @@ -9,34 +9,6 @@ #include #include -/* - * Copy data from IO memory space to "real" memory space. - */ -void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)from, 8)) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } - - while (count >= 8) { - *(u64 *)to = __raw_readq(from); - from += 8; - to += 8; - count -= 8; - } - - while (count) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_fromio); - /* * This generates a memcpy that works on a from/to address which is aligned to * bits. Count is in terms of the number of bits sized quantities to copy. It @@ -78,62 +50,3 @@ void __iowrite32_copy_full(void __iomem *to, const void *from, size_t count) dgh(); } EXPORT_SYMBOL(__iowrite32_copy_full); - -/* - * Copy data from "real" memory space to IO memory space. - */ -void __memcpy_toio(volatile void __iomem *to, const void *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)to, 8)) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } - - while (count >= 8) { - __raw_writeq(*(u64 *)from, to); - from += 8; - to += 8; - count -= 8; - } - - while (count) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_toio); - -/* - * "memset" on IO memory space. - */ -void __memset_io(volatile void __iomem *dst, int c, size_t count) -{ - u64 qc = (u8)c; - - qc |= qc << 8; - qc |= qc << 16; - qc |= qc << 32; - - while (count && !IS_ALIGNED((unsigned long)dst, 8)) { - __raw_writeb(c, dst); - dst++; - count--; - } - - while (count >= 8) { - __raw_writeq(qc, dst); - dst += 8; - count -= 8; 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Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 03/14] csky: Use generic IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:11 +0200 Message-ID: <20241008075023.3052370-4-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: 8ead3207-16af-4e2c-62e4-08dce76df714 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - No changes --- arch/csky/include/asm/io.h | 11 ----- arch/csky/kernel/Makefile | 2 +- arch/csky/kernel/io.c | 91 -------------------------------------- 3 files changed, 1 insertion(+), 103 deletions(-) delete mode 100644 arch/csky/kernel/io.c diff --git a/arch/csky/include/asm/io.h b/arch/csky/include/asm/io.h index 4725bb977b0f..ed53f0b47388 100644 --- a/arch/csky/include/asm/io.h +++ b/arch/csky/include/asm/io.h @@ -31,17 +31,6 @@ #define writel(v,c) ({ wmb(); writel_relaxed((v),(c)); mb(); }) #endif -/* - * String version of I/O memory access operations. - */ -extern void __memcpy_fromio(void *, const volatile void __iomem *, size_t); -extern void __memcpy_toio(volatile void __iomem *, const void *, size_t); -extern void __memset_io(volatile void __iomem *, int, size_t); - -#define memset_io(c,v,l) __memset_io((c),(v),(l)) -#define memcpy_fromio(a,c,l) __memcpy_fromio((a),(c),(l)) -#define memcpy_toio(c,a,l) __memcpy_toio((c),(a),(l)) - /* * I/O memory mapping functions. */ diff --git a/arch/csky/kernel/Makefile b/arch/csky/kernel/Makefile index 8a868316b912..de1c3472e8f0 100644 --- a/arch/csky/kernel/Makefile +++ b/arch/csky/kernel/Makefile @@ -2,7 +2,7 @@ extra-y := vmlinux.lds obj-y += head.o entry.o atomic.o signal.o traps.o irq.o time.o vdso.o vdso/ -obj-y += power.o syscall.o syscall_table.o setup.o io.o +obj-y += power.o syscall.o syscall_table.o setup.o obj-y += process.o cpu-probe.o ptrace.o stacktrace.o obj-y += probes/ diff --git a/arch/csky/kernel/io.c b/arch/csky/kernel/io.c deleted file mode 100644 index 5883f13fa2b1..000000000000 --- a/arch/csky/kernel/io.c +++ /dev/null @@ -1,91 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include -#include -#include - -/* - * Copy data from IO memory space to "real" memory space. - */ -void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)from, 4)) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } - - while (count >= 4) { - *(u32 *)to = __raw_readl(from); - from += 4; - to += 4; - count -= 4; - } - - while (count) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_fromio); - -/* - * Copy data from "real" memory space to IO memory space. - */ -void __memcpy_toio(volatile void __iomem *to, const void *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)to, 4)) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } - - while (count >= 4) { - __raw_writel(*(u32 *)from, to); - from += 4; - to += 4; - count -= 4; - } - - while (count) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_toio); - -/* - * "memset" on IO memory space. - */ -void __memset_io(volatile void __iomem *dst, int c, size_t count) -{ - u32 qc = (u8)c; - - qc |= qc << 8; - qc |= qc << 16; - - while (count && !IS_ALIGNED((unsigned long)dst, 4)) { - __raw_writeb(c, dst); 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Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 04/14] loongarch: Use generic IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:12 +0200 Message-ID: <20241008075023.3052370-5-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: fcf75996-7c02-4517-e27f-08dce76df84e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - No changes --- arch/loongarch/include/asm/io.h | 10 ---- arch/loongarch/kernel/Makefile | 2 +- arch/loongarch/kernel/io.c | 94 --------------------------------- 3 files changed, 1 insertion(+), 105 deletions(-) delete mode 100644 arch/loongarch/kernel/io.c diff --git a/arch/loongarch/include/asm/io.h b/arch/loongarch/include/asm/io.h index 5e95a60df180..e77a56eaf906 100644 --- a/arch/loongarch/include/asm/io.h +++ b/arch/loongarch/include/asm/io.h @@ -62,16 +62,6 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size, #define mmiowb() wmb() -/* - * String version of I/O memory access operations. - */ -extern void __memset_io(volatile void __iomem *dst, int c, size_t count); -extern void __memcpy_toio(volatile void __iomem *to, const void *from, size_t count); -extern void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t count); -#define memset_io(c, v, l) __memset_io((c), (v), (l)) -#define memcpy_fromio(a, c, l) __memcpy_fromio((a), (c), (l)) -#define memcpy_toio(c, a, l) __memcpy_toio((c), (a), (l)) - #define __io_aw() mmiowb() #ifdef CONFIG_KFENCE diff --git a/arch/loongarch/kernel/Makefile b/arch/loongarch/kernel/Makefile index c9bfeda89e40..9497968ee158 100644 --- a/arch/loongarch/kernel/Makefile +++ b/arch/loongarch/kernel/Makefile @@ -8,7 +8,7 @@ OBJECT_FILES_NON_STANDARD_head.o := y extra-y := vmlinux.lds obj-y += head.o cpu-probe.o cacheinfo.o env.o setup.o entry.o genex.o \ - traps.o irq.o idle.o process.o dma.o mem.o io.o reset.o switch.o \ + traps.o irq.o idle.o process.o dma.o mem.o reset.o switch.o \ elf.o syscall.o signal.o time.o topology.o inst.o ptrace.o vdso.o \ alternative.o unwind.o diff --git a/arch/loongarch/kernel/io.c b/arch/loongarch/kernel/io.c deleted file mode 100644 index cb85bda5a6ad..000000000000 --- a/arch/loongarch/kernel/io.c +++ /dev/null @@ -1,94 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2020-2022 Loongson Technology Corporation Limited - */ -#include -#include -#include - -/* - * Copy data from IO memory space to "real" memory space. - */ -void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)from, 8)) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } - - while (count >= 8) { - *(u64 *)to = __raw_readq(from); - from += 8; - to += 8; - count -= 8; - } - - while (count) { - *(u8 *)to = __raw_readb(from); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_fromio); - -/* - * Copy data from "real" memory space to IO memory space. - */ -void __memcpy_toio(volatile void __iomem *to, const void *from, size_t count) -{ - while (count && !IS_ALIGNED((unsigned long)to, 8)) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } - - while (count >= 8) { - __raw_writeq(*(u64 *)from, to); - from += 8; - to += 8; - count -= 8; - } - - while (count) { - __raw_writeb(*(u8 *)from, to); - from++; - to++; - count--; - } -} -EXPORT_SYMBOL(__memcpy_toio); - -/* - * "memset" on IO memory space. - */ -void __memset_io(volatile void __iomem *dst, int c, size_t count) -{ - u64 qc = (u8)c; - - qc |= qc << 8; - qc |= qc << 16; - qc |= qc << 32; - - while (count && !IS_ALIGNED((unsigned long)dst, 8)) { - __raw_writeb(c, dst); 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Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 05/14] m68k: Align prototypes of IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:13 +0200 Message-ID: <20241008075023.3052370-6-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: bda1260c-b31a-4324-78cf-08dce76df96e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Geert Uytterhoeven Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - No changes --- arch/m68k/include/asm/kmap.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/m68k/include/asm/kmap.h b/arch/m68k/include/asm/kmap.h index b778f015c917..e459f1911155 100644 --- a/arch/m68k/include/asm/kmap.h +++ b/arch/m68k/include/asm/kmap.h @@ -33,22 +33,22 @@ static inline void __iomem *ioremap_wt(unsigned long physaddr, } #define memset_io memset_io -static inline void memset_io(volatile void __iomem *addr, unsigned char val, - int count) +static inline void memset_io(volatile void __iomem *addr, int val, + size_t count) { __builtin_memset((void __force *) addr, val, count); } #define memcpy_fromio memcpy_fromio static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, - int count) + size_t count) { __builtin_memcpy(dst, (void __force *) src, count); } #define memcpy_toio memcpy_toio static inline void memcpy_toio(volatile void __iomem *dst, const void *src, - int count) + size_t count) { __builtin_memcpy((void __force *) dst, src, count); 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J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 06/14] alpha: Align prototypes of IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:14 +0200 Message-ID: <20241008075023.3052370-7-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: 293b32ef-b983-4ea1-1e9e-08dce76dfa98 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - Mask the argument with 0xff because now it's an int and not a u8 anymore --- arch/alpha/include/asm/io.h | 6 ++---- arch/alpha/kernel/io.c | 4 ++-- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index b191d87f89c4..e7d52c8159b0 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -591,13 +591,11 @@ extern inline u64 readq_relaxed(const volatile void __iomem *addr) /* * String version of IO memory access ops: */ -extern void memcpy_fromio(void *, const volatile void __iomem *, long); -extern void memcpy_toio(volatile void __iomem *, const void *, long); extern void _memset_c_io(volatile void __iomem *, unsigned long, long); -static inline void memset_io(volatile void __iomem *addr, u8 c, long len) +static inline void memset_io(volatile void __iomem *dst, int c, size_t count) { - _memset_c_io(addr, 0x0101010101010101UL * c, len); + _memset_c_io(dst, 0x0101010101010101UL * (c & 0xff), count); } #define __HAVE_ARCH_MEMSETW_IO diff --git a/arch/alpha/kernel/io.c b/arch/alpha/kernel/io.c index c28035d6d1e6..69c06f1b158d 100644 --- a/arch/alpha/kernel/io.c +++ b/arch/alpha/kernel/io.c @@ -481,7 +481,7 @@ EXPORT_SYMBOL(outsl); * Copy data from IO memory space to "real" memory space. * This needs to be optimized. */ -void memcpy_fromio(void *to, const volatile void __iomem *from, long count) +void memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) { /* Optimize co-aligned transfers. 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J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 07/14] parisc: Align prototypes of IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:15 +0200 Message-ID: <20241008075023.3052370-8-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: 916b92f8-0d03-4366-27d4-08dce76dfbb1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - Mask the argument with 0xff because now it's an int and not a unsigned char anymore --- arch/parisc/include/asm/io.h | 3 --- arch/parisc/lib/io.c | 12 ++++++++---- 2 files changed, 8 insertions(+), 7 deletions(-) diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h index a63190af2f05..5cfaa76bb899 100644 --- a/arch/parisc/include/asm/io.h +++ b/arch/parisc/include/asm/io.h @@ -135,9 +135,6 @@ static inline void gsc_writeq(unsigned long long val, unsigned long addr) #define pci_iounmap pci_iounmap -void memset_io(volatile void __iomem *addr, unsigned char val, int count); -void memcpy_fromio(void *dst, const volatile void __iomem *src, int count); -void memcpy_toio(volatile void __iomem *dst, const void *src, int count); #define memset_io memset_io #define memcpy_fromio memcpy_fromio #define memcpy_toio memcpy_toio diff --git a/arch/parisc/lib/io.c b/arch/parisc/lib/io.c index 7c00496b47d4..aef9b0124811 100644 --- a/arch/parisc/lib/io.c +++ b/arch/parisc/lib/io.c @@ -16,7 +16,7 @@ * Assumes the device can cope with 32-bit transfers. If it can't, * don't use this function. */ -void memcpy_toio(volatile void __iomem *dst, const void *src, int count) +void memcpy_toio(volatile void __iomem *dst, const void *src, size_t count) { if (((unsigned long)dst & 3) != ((unsigned long)src & 3)) goto bytecopy; @@ -51,7 +51,7 @@ void memcpy_toio(volatile void __iomem *dst, const void *src, int count) ** Minimize total number of transfers at cost of CPU cycles. ** TODO: only look at src alignment and adjust the stores to dest. */ -void memcpy_fromio(void *dst, const volatile void __iomem *src, int count) +void memcpy_fromio(void *dst, const volatile void __iomem *src, size_t count) { /* first compare alignment of src/dst */ if ( (((unsigned long)dst ^ (unsigned long)src) & 1) || (count < 2) ) @@ -103,9 +103,13 @@ void memcpy_fromio(void *dst, const volatile void __iomem *src, int count) * Assumes the device can cope with 32-bit transfers. If it can't, * don't use this function. */ -void memset_io(volatile void __iomem *addr, unsigned char val, int count) +void memset_io(volatile void __iomem *addr, int val, size_t count) { - u32 val32 = (val << 24) | (val << 16) | (val << 8) | val; + u32 val32; + + val &= 0xff; + val32 = (val << 24) | (val << 16) | (val << 8) | val; + while ((unsigned long)addr & 3) { writeb(val, addr++); count--; From patchwork Tue Oct 8 07:50:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Vetter X-Patchwork-Id: 834098 Received: from smtpout143.security-mail.net (smtpout143.security-mail.net [85.31.212.143]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8FC3F1E1337 for ; Tue, 8 Oct 2024 07:51:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=85.31.212.143 ARC-Seal: i=2; a=rsa-sha256; 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J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter , Geert Uytterhoeven Subject: [PATCH v8 08/14] sh: Align prototypes of IO memcpy/memset Date: Tue, 8 Oct 2024 09:50:16 +0200 Message-ID: <20241008075023.3052370-9-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: 1a0da2b3-83f9-4958-49d6-08dce76dfcd6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Geert Uytterhoeven Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - No changes --- arch/sh/include/asm/io.h | 3 --- arch/sh/kernel/io.c | 6 +++--- 2 files changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index cf5eab840d57..e5c780eb22d4 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -272,9 +272,6 @@ __BUILD_IOPORT_STRING(q, u64) #define memset_io memset_io #define memcpy_fromio memcpy_fromio #define memcpy_toio memcpy_toio -void memcpy_fromio(void *, const volatile void __iomem *, unsigned long); -void memcpy_toio(volatile void __iomem *, const void *, unsigned long); -void memset_io(volatile void __iomem *, int, unsigned long); /* Quad-word real-mode I/O, don't ask.. */ unsigned long long peek_real_address_q(unsigned long long addr); diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c index da22f3b32d30..588771cf9b7e 100644 --- a/arch/sh/kernel/io.c +++ b/arch/sh/kernel/io.c @@ -13,7 +13,7 @@ /* * Copy data from IO memory space to "real" memory space. */ -void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned long count) +void memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) { /* * Would it be worthwhile doing byte and long transfers first @@ -76,7 +76,7 @@ EXPORT_SYMBOL(memcpy_fromio); /* * Copy data from "real" memory space to IO memory space. */ -void memcpy_toio(volatile void __iomem *to, const void *from, unsigned long count) +void memcpy_toio(volatile void __iomem *to, const void *from, size_t count) { if ((((u32)to | (u32)from) & 0x3) == 0) { for ( ; count > 3; count -= 4) { @@ -100,7 +100,7 @@ EXPORT_SYMBOL(memcpy_toio); * "memset" on IO memory space. * This needs to be optimized. */ -void memset_io(volatile void __iomem *dst, int c, unsigned long count) +void memset_io(volatile void __iomem *dst, int c, size_t count) { while (count) { count--; From patchwork Tue Oct 8 07:50:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Vetter X-Patchwork-Id: 833665 Received: from smtpout143.security-mail.net (smtpout143.security-mail.net [85.31.212.143]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C01B71E1C09 for ; 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Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter , Geert Uytterhoeven Subject: [PATCH v8 09/14] arm: Align prototype of IO memset Date: Tue, 8 Oct 2024 09:50:17 +0200 Message-ID: <20241008075023.3052370-10-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|MR1P264MB2194:EE_ X-MS-Office365-Filtering-Correlation-Id: 4ef03365-71b5-45bb-2bfa-08dce76dfdee X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 10/14] powerpc: Align prototypes of IO memcpy and memset Date: Tue, 8 Oct 2024 09:50:18 +0200 Message-ID: <20241008075023.3052370-11-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|PR0P264MB3290:EE_ X-MS-Office365-Filtering-Correlation-Id: 21befc1b-7caa-4cd6-d6f7-08dce76dff05 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - New patch --- arch/powerpc/include/asm/io-defs.h | 6 +++--- arch/powerpc/include/asm/io.h | 6 +++--- arch/powerpc/kernel/io.c | 6 +++--- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/include/asm/io-defs.h b/arch/powerpc/include/asm/io-defs.h index faf8617cc574..20c3f2671da2 100644 --- a/arch/powerpc/include/asm/io-defs.h +++ b/arch/powerpc/include/asm/io-defs.h @@ -53,9 +53,9 @@ DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), (p, b, c), pio, p) -DEF_PCI_AC_NORET(memset_io, (PCI_IO_ADDR a, int c, unsigned long n), +DEF_PCI_AC_NORET(memset_io, (PCI_IO_ADDR a, int c, size_t n), (a, c, n), mem, a) -DEF_PCI_AC_NORET(memcpy_fromio, (void *d, const PCI_IO_ADDR s, unsigned long n), +DEF_PCI_AC_NORET(memcpy_fromio, (void *d, const PCI_IO_ADDR s, size_t n), (d, s, n), mem, s) -DEF_PCI_AC_NORET(memcpy_toio, (PCI_IO_ADDR d, const void *s, unsigned long n), +DEF_PCI_AC_NORET(memcpy_toio, (PCI_IO_ADDR d, const void *s, size_t n), (d, s, n), mem, d) diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 52e1b1d15ff6..b41799a1e2a3 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -246,11 +246,11 @@ extern void _outsl_ns(volatile u32 __iomem *addr, const void *buf, long count); * memset_io, memcpy_toio, memcpy_fromio base implementations are out of line */ -extern void _memset_io(volatile void __iomem *addr, int c, unsigned long n); +extern void _memset_io(volatile void __iomem *addr, int c, size_t n); extern void _memcpy_fromio(void *dest, const volatile void __iomem *src, - unsigned long n); + size_t n); extern void _memcpy_toio(volatile void __iomem *dest, const void *src, - unsigned long n); + size_t n); /* * diff --git a/arch/powerpc/kernel/io.c b/arch/powerpc/kernel/io.c index 6af535905984..e1848184619b 100644 --- a/arch/powerpc/kernel/io.c +++ b/arch/powerpc/kernel/io.c @@ -120,7 +120,7 @@ EXPORT_SYMBOL(_outsl_ns); #define IO_CHECK_ALIGN(v,a) ((((unsigned long)(v)) & ((a) - 1)) == 0) notrace void -_memset_io(volatile void __iomem *addr, int c, unsigned long n) +_memset_io(volatile void __iomem *addr, int c, size_t n) { void *p = (void __force *)addr; u32 lc = c; @@ -148,7 +148,7 @@ _memset_io(volatile void __iomem *addr, int c, unsigned long n) EXPORT_SYMBOL(_memset_io); 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Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 11/14] s390: Add wrappers around zpci_memcpy/zpci_memset Date: Tue, 8 Oct 2024 09:50:19 +0200 Message-ID: <20241008075023.3052370-12-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|PR1P264MB3357:EE_ X-MS-Office365-Filtering-Correlation-Id: e5a8046c-f4a5-49be-865a-08dce76e001e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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These wrappers are necessary because the prototypes of the zpci_ functions can't be changed. In s390 arch code they are directly being called and the return value is checked, At the same time they serve as generic memcpy_{from,to}io and memset_io functions, without a return value. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - New patch --- arch/s390/include/asm/io.h | 27 +++++++++++++++++++++++---- arch/s390/include/asm/pci_io.h | 6 +++--- 2 files changed, 26 insertions(+), 7 deletions(-) diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h index 0fbc992d7a5e..f3ef6d4130b3 100644 --- a/arch/s390/include/asm/io.h +++ b/arch/s390/include/asm/io.h @@ -58,10 +58,6 @@ static inline void ioport_unmap(void __iomem *p) #define pci_iomap_wc pci_iomap_wc #define pci_iomap_wc_range pci_iomap_wc_range -#define memcpy_fromio(dst, src, count) zpci_memcpy_fromio(dst, src, count) -#define memcpy_toio(dst, src, count) zpci_memcpy_toio(dst, src, count) -#define memset_io(dst, val, count) zpci_memset_io(dst, val, count) - #define mmiowb() zpci_barrier() #define __raw_readb zpci_read_u8 @@ -73,6 +69,10 @@ static inline void ioport_unmap(void __iomem *p) #define __raw_writel zpci_write_u32 #define __raw_writeq zpci_write_u64 +#define memcpy_fromio memcpy_fromio +#define memcpy_toio memcpy_toio +#define memset_io memset_io + /* combine single writes by using store-block insn */ static inline void __iowrite32_copy(void __iomem *to, const void *from, size_t count) @@ -88,6 +88,25 @@ static inline void __iowrite64_copy(void __iomem *to, const void *from, } #define __iowrite64_copy __iowrite64_copy +static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, + size_t n) +{ + zpci_memcpy_fromio(dst, src, n); +} + +static inline void memcpy_toio(volatile void __iomem *dst, + const void *src, size_t n) +{ + zpci_memcpy_toio(dst, src, n); +} + +static inline void memset_io(volatile void __iomem *dst, + int val, size_t count) +{ + zpci_memset_io(dst, val, count); +} + + #endif /* CONFIG_PCI */ #include diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h index 2686bee800e3..43a5ea4ee20f 100644 --- a/arch/s390/include/asm/pci_io.h +++ b/arch/s390/include/asm/pci_io.h @@ -143,7 +143,7 @@ static inline int zpci_get_max_io_size(u64 src, u64 dst, int len, int max) static inline int zpci_memcpy_fromio(void *dst, const volatile void __iomem *src, - unsigned long n) + size_t n) { int size, rc = 0; @@ -162,7 +162,7 @@ static inline int zpci_memcpy_fromio(void *dst, } static inline int zpci_memcpy_toio(volatile void __iomem *dst, - const void *src, unsigned long n) + const void *src, size_t n) { int size, rc = 0; @@ -187,7 +187,7 @@ static inline int zpci_memcpy_toio(volatile void __iomem *dst, } static inline int zpci_memset_io(volatile void __iomem *dst, - unsigned char val, size_t count) + int val, size_t count) { u8 *src = kmalloc(count, GFP_KERNEL); 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Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 12/14] bus: mhi: ep: Add HAS_IOMEM || INDIRECT_IOMEM dependency Date: Tue, 8 Oct 2024 09:50:20 +0200 Message-ID: <20241008075023.3052370-13-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|PR1P264MB3357:EE_ X-MS-Office365-Filtering-Correlation-Id: 62b1fc99-df2e-41ab-276f-08dce76e0136 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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But, the function mhi_ep_ring_num_elems in drivers/bus/mhi/ep/ring.c is using a IO memcpy operation. So, when building for UM which doesn't have CONFIG_HAS_IOMEM=y, the build fails. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - New patch --- drivers/bus/mhi/ep/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/mhi/ep/Kconfig b/drivers/bus/mhi/ep/Kconfig index 90ab3b040672..dba95fb95eeb 100644 --- a/drivers/bus/mhi/ep/Kconfig +++ b/drivers/bus/mhi/ep/Kconfig @@ -1,5 +1,6 @@ config MHI_BUS_EP tristate "Modem Host Interface (MHI) bus Endpoint implementation" + depends on HAS_IOMEM || INDIRECT_IOMEM help Bus driver for MHI protocol. 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J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 13/14] mtd: Add HAS_IOMEM || INDIRECT_IOMEM dependency Date: Tue, 8 Oct 2024 09:50:21 +0200 Message-ID: <20241008075023.3052370-14-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|PR1P264MB3357:EE_ X-MS-Office365-Filtering-Correlation-Id: f34ee43d-9581-4c22-aa4a-08dce76e0250 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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These functions are only build for targets which have HAS_IOMEM=y or INDIRECT_IOMEM=y. So, depend on either of the two. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - New patch --- drivers/mtd/chips/Kconfig | 4 ++++ drivers/mtd/lpddr/Kconfig | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index 19726ebd973d..78afe7ccf005 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -4,6 +4,7 @@ menu "RAM/ROM/Flash chip drivers" config MTD_CFI tristate "Detect flash chips by Common Flash Interface (CFI) probe" + depends on HAS_IOMEM || INDIRECT_IOMEM select MTD_GEN_PROBE select MTD_CFI_UTIL help @@ -16,6 +17,7 @@ config MTD_CFI config MTD_JEDECPROBE tristate "Detect non-CFI AMD/JEDEC-compatible flash chips" + depends on HAS_IOMEM || INDIRECT_IOMEM select MTD_GEN_PROBE select MTD_CFI_UTIL help @@ -211,12 +213,14 @@ config MTD_CFI_UTIL config MTD_RAM tristate "Support for RAM chips in bus mapping" + depends on HAS_IOMEM || INDIRECT_IOMEM help This option enables basic support for RAM chips accessed through a bus mapping driver. config MTD_ROM tristate "Support for ROM chips in bus mapping" + depends on HAS_IOMEM || INDIRECT_IOMEM help This option enables basic support for ROM chips accessed through a bus mapping driver. diff --git a/drivers/mtd/lpddr/Kconfig b/drivers/mtd/lpddr/Kconfig index 0395aa6b68f1..f35dd8052abc 100644 --- a/drivers/mtd/lpddr/Kconfig +++ b/drivers/mtd/lpddr/Kconfig @@ -4,6 +4,7 @@ menu "LPDDR & LPDDR2 PCM memory drivers" config MTD_LPDDR tristate "Support for LPDDR flash chips" + depends on HAS_IOMEM || INDIRECT_IOMEM select MTD_QINFO_PROBE help This option enables support of LPDDR (Low power double data rate) From patchwork Tue Oct 8 07:50:22 2024 Content-Type: text/plain; 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From: Julian Vetter To: Arnd Bergmann , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Huacai Chen , WANG Xuerui , Andrew Morton , Geert Uytterhoeven , Richard Henderson , Ivan Kokshaysky , Matt Turner , "James E . J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Richard Weinberger , Anton Ivanov , Johannes Berg , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Niklas Schnelle , Manivannan Sadhasivam , Miquel Raynal , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-sound@vger.kernel.org, Yann Sionneau , Julian Vetter Subject: [PATCH v8 14/14] sound: Make CONFIG_SND depend on INDIRECT_IOMEM instead of UML Date: Tue, 8 Oct 2024 09:50:22 +0200 Message-ID: <20241008075023.3052370-15-jvetter@kalrayinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008075023.3052370-1-jvetter@kalrayinc.com> References: <20241008075023.3052370-1-jvetter@kalrayinc.com> X-ClientProxiedBy: AM4PR07CA0019.eurprd07.prod.outlook.com (2603:10a6:205:1::32) To PAYP264MB3766.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:118::6) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAYP264MB3766:EE_|PR1P264MB3357:EE_ X-MS-Office365-Filtering-Correlation-Id: 2d24f36b-fb64-43dd-ead8-08dce76e0372 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Fix it here by depending on HAS_IOMEM or INDIRECT_IOMEM. Reviewed-by: Yann Sionneau Signed-off-by: Julian Vetter --- Changes for v8: - New patch --- sound/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/Kconfig b/sound/Kconfig index 4c036a9a420a..8b40205394fe 100644 --- a/sound/Kconfig +++ b/sound/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only menuconfig SOUND tristate "Sound card support" - depends on HAS_IOMEM || UML + depends on HAS_IOMEM || INDIRECT_IOMEM help If you have a sound card in your computer, i.e. if it can say more than an occasional beep, say Y.