From patchwork Thu Nov 2 15:11:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Duje_Mihanovi=C4=87?= X-Patchwork-Id: 740740 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C2C91C4332F for ; Fri, 3 Nov 2023 16:28:01 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id D65FAEEE; Fri, 3 Nov 2023 17:27:09 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D65FAEEE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1699028879; bh=gDz9DNjmf/NtG1HPMa9yEQN3HSBfRLiYwJNjSo2avOc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=spzE7iDfOTCeErTIsOmmnCrfTQ9+ixb7U3yu5HYA/grYEOMFRYuRQD09vNndDfG35 zwwZTSeEu1WvIWe5JTBjTvQEUKU0YxD8RYeEZUdD4WXVIzKdw5UZYqK2tQmLTrdvlj r7dMRyXhx9zO0Zfog+j9nO4xyOPCpc4ayIVJShDw= Received: by alsa1.perex.cz (Postfix, from userid 50401) id DFC2CF8059F; Fri, 3 Nov 2023 17:26:18 +0100 (CET) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 5DD4FF8057C; Fri, 3 Nov 2023 17:26:18 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 75976F80558; Thu, 2 Nov 2023 16:12:15 +0100 (CET) Received: from mx.skole.hr (mx1.hosting.skole.hr [161.53.165.185]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 114EBF8003C for ; Thu, 2 Nov 2023 16:12:04 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 114EBF8003C Received: from mx1.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id E136283668; Thu, 2 Nov 2023 16:12:03 +0100 (CET) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Thu, 02 Nov 2023 16:11:07 +0100 Subject: [PATCH v7 01/10] clk: mmp: Switch to use struct u32_fract instead of custom one MIME-Version: 1.0 Message-Id: <20231102-pxa1908-lkml-v7-1-cabb1a0cb52b@skole.hr> References: <20231102-pxa1908-lkml-v7-0-cabb1a0cb52b@skole.hr> In-Reply-To: <20231102-pxa1908-lkml-v7-0-cabb1a0cb52b@skole.hr> To: Michael Turquette , Stephen Boyd , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tony Lindgren , =?utf-8?q?Duje_Mihanovi=C4=87?= , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Leo Yan , Zhangfei Gao , Lubomir Rintel , Catalin Marinas , Will Deacon , Kees Cook , Tony Luck , "Guilherme G. Piccoli" Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, alsa-devel@alsa-project.org, linux-hardening@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Karel Balej , Andy Shevchenko X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=10456; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=sqxBtjyINvn8G7N2wkQVSk/v1B3ysA2Koysxb18POPo=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBlQ7w43Yv6bShtALLqUOTgGZ9xZ1XbQVL+J01Ms vZP5e/w5mCJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZUO8OAAKCRCaEZ6wQi2W 4RNHEACJpEbEwC7DEhsqO819dHKppa9ECj93d8A29xKR+vKQic/vuCi/2fjPpGcQ8ChwYaadBit n8oxARJbFSfymJGOgsXMTFAZRSrwmgViGWK9Yu/uTfXA9kkN05edf04x5Trt5JQwJhFjvfX5pxI gI/ByFnkYGZPQQ0diHt5TUmAD2XEvLYk+wMYL0zwGu/Poqakj8zi9YEoqXho2nnNvN1SuUEBrDe UUP4BG24CtRbk/x6yUmN6XJk7fMEtwNqModtsjuYBmGq9V8T0gqj3Yjf5BXTuR1EnyDlcYDIP8+ Gtbw3EfUgqlA+v1uFi4dTEuBckyoVssyRriYT0jlw1NQCg323TRCRCgG6LMt7gPQ2YDmW959qmF TqycEbJbFK6phdYbSkpgbeWR1VcKU1rugeJa4OApcO4JdUSJ2GohB/ZKx7IBzr2ERd5U7ef8fn1 Law71WiTYQzDI3zzZzzBXjlvs17wyvj7JJPFpa8QoEiJQzzyv3MBZ1U8i3/nhVDaGO/EoIamRNZ eRb+iBd1Ylb64uZPdQPeduRBFnQ+I4xLU6p/KwsUb5jD1D6xCHALGAlm0k2kZXBIu0NMHqnQIeA 7u/b40omg9P6w8F8VUsWfr/WkgjQqPEkNiiztByqk3lBx6Jvxvmg3T6cIsb/e4oTUSa6mmRL+TQ US1dFmMs/VoMnfA== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 X-MailFrom: duje.mihanovic@skole.hr X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 Message-ID-Hash: VTGLK3I4HR6YHP5LR5B7QRSXW6MLHWEC X-Message-ID-Hash: VTGLK3I4HR6YHP5LR5B7QRSXW6MLHWEC X-Mailman-Approved-At: Fri, 03 Nov 2023 16:26:07 +0000 X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: <> List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Andy Shevchenko The struct mmp_clk_factor_tbl repeats the generic struct u32_fract. Kill the custom one and use the generic one instead. Signed-off-by: Andy Shevchenko Tested-by: Duje Mihanović Reviewed-by: Linus Walleij Signed-off-by: Duje Mihanović --- drivers/clk/mmp/clk-frac.c | 57 ++++++++++++++++++++-------------------- drivers/clk/mmp/clk-of-mmp2.c | 26 +++++++++--------- drivers/clk/mmp/clk-of-pxa168.c | 4 +-- drivers/clk/mmp/clk-of-pxa1928.c | 6 ++--- drivers/clk/mmp/clk-of-pxa910.c | 4 +-- drivers/clk/mmp/clk.h | 10 +++---- 6 files changed, 51 insertions(+), 56 deletions(-) diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c index 1b90867b60c4..6556f6ada2e8 100644 --- a/drivers/clk/mmp/clk-frac.c +++ b/drivers/clk/mmp/clk-frac.c @@ -26,14 +26,15 @@ static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate, { struct mmp_clk_factor *factor = to_clk_factor(hw); u64 rate = 0, prev_rate; + struct u32_fract *d; int i; for (i = 0; i < factor->ftbl_cnt; i++) { - prev_rate = rate; - rate = *prate; - rate *= factor->ftbl[i].den; - do_div(rate, factor->ftbl[i].num * factor->masks->factor); + d = &factor->ftbl[i]; + prev_rate = rate; + rate = (u64)(*prate) * d->denominator; + do_div(rate, d->numerator * factor->masks->factor); if (rate > drate) break; } @@ -52,23 +53,22 @@ static unsigned long clk_factor_recalc_rate(struct clk_hw *hw, { struct mmp_clk_factor *factor = to_clk_factor(hw); struct mmp_clk_factor_masks *masks = factor->masks; - unsigned int val, num, den; + struct u32_fract d; + unsigned int val; u64 rate; val = readl_relaxed(factor->base); /* calculate numerator */ - num = (val >> masks->num_shift) & masks->num_mask; + d.numerator = (val >> masks->num_shift) & masks->num_mask; /* calculate denominator */ - den = (val >> masks->den_shift) & masks->den_mask; - - if (!den) + d.denominator = (val >> masks->den_shift) & masks->den_mask; + if (!d.denominator) return 0; - rate = parent_rate; - rate *= den; - do_div(rate, num * factor->masks->factor); + rate = (u64)parent_rate * d.denominator; + do_div(rate, d.numerator * factor->masks->factor); return rate; } @@ -82,18 +82,18 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate, int i; unsigned long val; unsigned long flags = 0; + struct u32_fract *d; u64 rate = 0; for (i = 0; i < factor->ftbl_cnt; i++) { - rate = prate; - rate *= factor->ftbl[i].den; - do_div(rate, factor->ftbl[i].num * factor->masks->factor); + d = &factor->ftbl[i]; + rate = (u64)prate * d->denominator; + do_div(rate, d->numerator * factor->masks->factor); if (rate > drate) break; } - if (i > 0) - i--; + d = i ? &factor->ftbl[i - 1] : &factor->ftbl[0]; if (factor->lock) spin_lock_irqsave(factor->lock, flags); @@ -101,10 +101,10 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate, val = readl_relaxed(factor->base); val &= ~(masks->num_mask << masks->num_shift); - val |= (factor->ftbl[i].num & masks->num_mask) << masks->num_shift; + val |= (d->numerator & masks->num_mask) << masks->num_shift; val &= ~(masks->den_mask << masks->den_shift); - val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift; + val |= (d->denominator & masks->den_mask) << masks->den_shift; writel_relaxed(val, factor->base); @@ -118,7 +118,8 @@ static int clk_factor_init(struct clk_hw *hw) { struct mmp_clk_factor *factor = to_clk_factor(hw); struct mmp_clk_factor_masks *masks = factor->masks; - u32 val, num, den; + struct u32_fract d; + u32 val; int i; unsigned long flags = 0; @@ -128,23 +129,22 @@ static int clk_factor_init(struct clk_hw *hw) val = readl(factor->base); /* calculate numerator */ - num = (val >> masks->num_shift) & masks->num_mask; + d.numerator = (val >> masks->num_shift) & masks->num_mask; /* calculate denominator */ - den = (val >> masks->den_shift) & masks->den_mask; + d.denominator = (val >> masks->den_shift) & masks->den_mask; for (i = 0; i < factor->ftbl_cnt; i++) - if (den == factor->ftbl[i].den && num == factor->ftbl[i].num) + if (d.denominator == factor->ftbl[i].denominator && + d.numerator == factor->ftbl[i].numerator) break; if (i >= factor->ftbl_cnt) { val &= ~(masks->num_mask << masks->num_shift); - val |= (factor->ftbl[0].num & masks->num_mask) << - masks->num_shift; + val |= (factor->ftbl[0].numerator & masks->num_mask) << masks->num_shift; val &= ~(masks->den_mask << masks->den_shift); - val |= (factor->ftbl[0].den & masks->den_mask) << - masks->den_shift; + val |= (factor->ftbl[0].denominator & masks->den_mask) << masks->den_shift; } if (!(val & masks->enable_mask) || i >= factor->ftbl_cnt) { @@ -168,8 +168,7 @@ static const struct clk_ops clk_factor_ops = { struct clk *mmp_clk_register_factor(const char *name, const char *parent_name, unsigned long flags, void __iomem *base, struct mmp_clk_factor_masks *masks, - struct mmp_clk_factor_tbl *ftbl, - unsigned int ftbl_cnt, spinlock_t *lock) + struct u32_fract *ftbl, unsigned int ftbl_cnt, spinlock_t *lock) { struct mmp_clk_factor *factor; struct clk_init_data init; diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index eaad36ee323d..a4f15cee630e 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -143,9 +143,9 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 8125, .den = 1536}, /*14.745MHZ */ - {.num = 3521, .den = 689}, /*19.23MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */ + { .numerator = 3521, .denominator = 689 }, /* 19.23MHZ */ }; static struct mmp_clk_factor_masks i2s_factor_masks = { @@ -157,16 +157,16 @@ static struct mmp_clk_factor_masks i2s_factor_masks = { .enable_mask = 0xd0000000, }; -static struct mmp_clk_factor_tbl i2s_factor_tbl[] = { - {.num = 24868, .den = 511}, /* 2.0480 MHz */ - {.num = 28003, .den = 793}, /* 2.8224 MHz */ - {.num = 24941, .den = 1025}, /* 4.0960 MHz */ - {.num = 28003, .den = 1586}, /* 5.6448 MHz */ - {.num = 31158, .den = 2561}, /* 8.1920 MHz */ - {.num = 16288, .den = 1845}, /* 11.2896 MHz */ - {.num = 20772, .den = 2561}, /* 12.2880 MHz */ - {.num = 8144, .den = 1845}, /* 22.5792 MHz */ - {.num = 10386, .den = 2561}, /* 24.5760 MHz */ +static struct u32_fract i2s_factor_tbl[] = { + { .numerator = 24868, .denominator = 511 }, /* 2.0480 MHz */ + { .numerator = 28003, .denominator = 793 }, /* 2.8224 MHz */ + { .numerator = 24941, .denominator = 1025 }, /* 4.0960 MHz */ + { .numerator = 28003, .denominator = 1586 }, /* 5.6448 MHz */ + { .numerator = 31158, .denominator = 2561 }, /* 8.1920 MHz */ + { .numerator = 16288, .denominator = 1845 }, /* 11.2896 MHz */ + { .numerator = 20772, .denominator = 2561 }, /* 12.2880 MHz */ + { .numerator = 8144, .denominator = 1845 }, /* 22.5792 MHz */ + { .numerator = 10386, .denominator = 2561 }, /* 24.5760 MHz */ }; static DEFINE_SPINLOCK(acgr_lock); diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c index fb0df64cf053..ab5f83e77305 100644 --- a/drivers/clk/mmp/clk-of-pxa168.c +++ b/drivers/clk/mmp/clk-of-pxa168.c @@ -106,8 +106,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 8125, .den = 1536}, /*14.745MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */ }; static void pxa168_pll_init(struct pxa168_clk_unit *pxa_unit) diff --git a/drivers/clk/mmp/clk-of-pxa1928.c b/drivers/clk/mmp/clk-of-pxa1928.c index 9def4b5f10e9..ebb6e278eda3 100644 --- a/drivers/clk/mmp/clk-of-pxa1928.c +++ b/drivers/clk/mmp/clk-of-pxa1928.c @@ -61,9 +61,9 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 832, .den = 234}, /*58.5MHZ */ - {.num = 1, .den = 1}, /*26MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 832, .denominator = 234 }, /* 58.5MHZ */ + { .numerator = 1, .denominator = 1 }, /* 26MHZ */ }; static void pxa1928_pll_init(struct pxa1928_clk_unit *pxa_unit) diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c index 7a38c424782e..fe65e7bdb411 100644 --- a/drivers/clk/mmp/clk-of-pxa910.c +++ b/drivers/clk/mmp/clk-of-pxa910.c @@ -86,8 +86,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 8125, .den = 1536}, /*14.745MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */ }; static void pxa910_pll_init(struct pxa910_clk_unit *pxa_unit) diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h index 55ac05379781..c83cec169ddc 100644 --- a/drivers/clk/mmp/clk.h +++ b/drivers/clk/mmp/clk.h @@ -3,6 +3,7 @@ #define __MACH_MMP_CLK_H #include +#include #include #include @@ -20,16 +21,11 @@ struct mmp_clk_factor_masks { unsigned int enable_mask; }; -struct mmp_clk_factor_tbl { - unsigned int num; - unsigned int den; -}; - struct mmp_clk_factor { struct clk_hw hw; void __iomem *base; struct mmp_clk_factor_masks *masks; - struct mmp_clk_factor_tbl *ftbl; + struct u32_fract *ftbl; unsigned int ftbl_cnt; spinlock_t *lock; }; @@ -37,7 +33,7 @@ struct mmp_clk_factor { extern struct clk *mmp_clk_register_factor(const char *name, const char *parent_name, unsigned long flags, void __iomem *base, struct mmp_clk_factor_masks *masks, - struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt, + struct u32_fract *ftbl, unsigned int ftbl_cnt, spinlock_t *lock); /* Clock type "mix" */