Message ID | 20210507101926.25631-4-peng.fan@oss.nxp.com |
---|---|
State | Superseded |
Headers | show |
Series | mailbox: imx: add i.MX8ULP MU support | expand |
Hi "Peng,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on shawnguo/for-next]
[also build test WARNING on robh/for-next v5.12 next-20210507]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Peng-Fan-OSS/mailbox-imx-add-i-MX8ULP-MU-support/20210507-174948
base: https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next
config: powerpc-randconfig-r023-20210507 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a3a8a1a15b524d91b5308db68e9d293b34cd88dd)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://github.com/0day-ci/linux/commit/356d43252930991aad1353a96361380a7f17f98c
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Peng-Fan-OSS/mailbox-imx-add-i-MX8ULP-MU-support/20210507-174948
git checkout 356d43252930991aad1353a96361380a7f17f98c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
__do_insb
^
arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
#define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/mailbox/imx-mailbox.c:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:186:1: note: expanded from here
__do_insw
^
arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/mailbox/imx-mailbox.c:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:188:1: note: expanded from here
__do_insl
^
arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/mailbox/imx-mailbox.c:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:190:1: note: expanded from here
__do_outsb
^
arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/mailbox/imx-mailbox.c:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:192:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/mailbox/imx-mailbox.c:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:194:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
>> drivers/mailbox/imx-mailbox.c:278:2: warning: variable 'val' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
default:
^~~~~~~
drivers/mailbox/imx-mailbox.c:282:7: note: uninitialized use occurs here
if (!val)
^~~
drivers/mailbox/imx-mailbox.c:257:9: note: initialize the variable 'val' to silence this warning
u32 val, ctrl;
^
= 0
drivers/mailbox/imx-mailbox.c:608:2: error: member reference base type 'int' is not a structure or union
.xRR = 0x10
^~~~
drivers/mailbox/imx-mailbox.c:609:2: error: member reference base type 'int' is not a structure or union
.xSR = {0x20, 0x20, 0x20, 0x20},
^~~~
drivers/mailbox/imx-mailbox.c:609:9: error: expected expression
.xSR = {0x20, 0x20, 0x20, 0x20},
^
13 warnings and 3 errors generated.
vim +/val +278 drivers/mailbox/imx-mailbox.c
2bb7005696e224 Oleksij Rempel 2018-08-03 251
2bb7005696e224 Oleksij Rempel 2018-08-03 252 static irqreturn_t imx_mu_isr(int irq, void *p)
2bb7005696e224 Oleksij Rempel 2018-08-03 253 {
2bb7005696e224 Oleksij Rempel 2018-08-03 254 struct mbox_chan *chan = p;
2bb7005696e224 Oleksij Rempel 2018-08-03 255 struct imx_mu_priv *priv = to_imx_mu_priv(chan->mbox);
2bb7005696e224 Oleksij Rempel 2018-08-03 256 struct imx_mu_con_priv *cp = chan->con_priv;
63b383575c388f Peng Fan 2020-03-19 257 u32 val, ctrl;
2bb7005696e224 Oleksij Rempel 2018-08-03 258
2bb7005696e224 Oleksij Rempel 2018-08-03 259 switch (cp->type) {
2bb7005696e224 Oleksij Rempel 2018-08-03 260 case IMX_MU_TYPE_TX:
356d4325293099 Peng Fan 2021-05-07 261 ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_TCR]);
356d4325293099 Peng Fan 2021-05-07 262 val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_TSR]);
2bb7005696e224 Oleksij Rempel 2018-08-03 263 val &= IMX_MU_xSR_TEn(cp->idx) &
2bb7005696e224 Oleksij Rempel 2018-08-03 264 (ctrl & IMX_MU_xCR_TIEn(cp->idx));
2bb7005696e224 Oleksij Rempel 2018-08-03 265 break;
2bb7005696e224 Oleksij Rempel 2018-08-03 266 case IMX_MU_TYPE_RX:
356d4325293099 Peng Fan 2021-05-07 267 ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_RCR]);
356d4325293099 Peng Fan 2021-05-07 268 val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_RSR]);
2bb7005696e224 Oleksij Rempel 2018-08-03 269 val &= IMX_MU_xSR_RFn(cp->idx) &
2bb7005696e224 Oleksij Rempel 2018-08-03 270 (ctrl & IMX_MU_xCR_RIEn(cp->idx));
2bb7005696e224 Oleksij Rempel 2018-08-03 271 break;
2bb7005696e224 Oleksij Rempel 2018-08-03 272 case IMX_MU_TYPE_RXDB:
356d4325293099 Peng Fan 2021-05-07 273 ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_GCR]);
356d4325293099 Peng Fan 2021-05-07 274 val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_GSR]);
2bb7005696e224 Oleksij Rempel 2018-08-03 275 val &= IMX_MU_xSR_GIPn(cp->idx) &
2bb7005696e224 Oleksij Rempel 2018-08-03 276 (ctrl & IMX_MU_xCR_GIEn(cp->idx));
2bb7005696e224 Oleksij Rempel 2018-08-03 277 break;
2bb7005696e224 Oleksij Rempel 2018-08-03 @278 default:
2bb7005696e224 Oleksij Rempel 2018-08-03 279 break;
2bb7005696e224 Oleksij Rempel 2018-08-03 280 }
2bb7005696e224 Oleksij Rempel 2018-08-03 281
2bb7005696e224 Oleksij Rempel 2018-08-03 282 if (!val)
2bb7005696e224 Oleksij Rempel 2018-08-03 283 return IRQ_NONE;
2bb7005696e224 Oleksij Rempel 2018-08-03 284
2bb7005696e224 Oleksij Rempel 2018-08-03 285 if (val == IMX_MU_xSR_TEn(cp->idx)) {
356d4325293099 Peng Fan 2021-05-07 286 imx_mu_xcr_rmw(priv, IMX_MU_TCR, 0, IMX_MU_xCR_TIEn(cp->idx));
2bb7005696e224 Oleksij Rempel 2018-08-03 287 mbox_chan_txdone(chan, 0);
2bb7005696e224 Oleksij Rempel 2018-08-03 288 } else if (val == IMX_MU_xSR_RFn(cp->idx)) {
63b383575c388f Peng Fan 2020-03-19 289 priv->dcfg->rx(priv, cp);
2bb7005696e224 Oleksij Rempel 2018-08-03 290 } else if (val == IMX_MU_xSR_GIPn(cp->idx)) {
356d4325293099 Peng Fan 2021-05-07 291 imx_mu_write(priv, IMX_MU_xSR_GIPn(cp->idx), priv->dcfg->xSR[IMX_MU_GSR]);
2bb7005696e224 Oleksij Rempel 2018-08-03 292 mbox_chan_received_data(chan, NULL);
2bb7005696e224 Oleksij Rempel 2018-08-03 293 } else {
2bb7005696e224 Oleksij Rempel 2018-08-03 294 dev_warn_ratelimited(priv->dev, "Not handled interrupt\n");
2bb7005696e224 Oleksij Rempel 2018-08-03 295 return IRQ_NONE;
2bb7005696e224 Oleksij Rempel 2018-08-03 296 }
2bb7005696e224 Oleksij Rempel 2018-08-03 297
2bb7005696e224 Oleksij Rempel 2018-08-03 298 return IRQ_HANDLED;
2bb7005696e224 Oleksij Rempel 2018-08-03 299 }
2bb7005696e224 Oleksij Rempel 2018-08-03 300
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
On 2021/5/8 0:08, kernel test robot wrote: > Hi "Peng, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on shawnguo/for-next] > [also build test WARNING on robh/for-next v5.12 next-20210507] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/0day-ci/linux/commits/Peng-Fan-OSS/mailbox-imx-add-i-MX8ULP-MU-support/20210507-174948 > base: https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next > config: powerpc-randconfig-r023-20210507 (attached as .config) > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a3a8a1a15b524d91b5308db68e9d293b34cd88dd) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install powerpc cross compiling tool for clang build > # apt-get install binutils-powerpc-linux-gnu > # https://github.com/0day-ci/linux/commit/356d43252930991aad1353a96361380a7f17f98c > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Peng-Fan-OSS/mailbox-imx-add-i-MX8ULP-MU-support/20210507-174948 > git checkout 356d43252930991aad1353a96361380a7f17f98c > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@intel.com> > > All warnings (new ones prefixed by >>): > > __do_insb > ^ > arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb' > #define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) > ~~~~~~~~~~~~~~~~~~~~~^ > In file included from drivers/mailbox/imx-mailbox.c:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:10: > In file included from arch/powerpc/include/asm/hardirq.h:6: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:13: > In file included from arch/powerpc/include/asm/io.h:619: > arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c), > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' > __do_##name al; This should be common powerpc issue? Regards, Peng. \ > ^~~~~~~~~~~~~~ > <scratch space>:186:1: note: expanded from here > __do_insw > ^ > arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw' > #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) > ~~~~~~~~~~~~~~~~~~~~~^ > In file included from drivers/mailbox/imx-mailbox.c:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:10: > In file included from arch/powerpc/include/asm/hardirq.h:6: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:13: > In file included from arch/powerpc/include/asm/io.h:619: > arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' > __do_##name al; \ > ^~~~~~~~~~~~~~ > <scratch space>:188:1: note: expanded from here > __do_insl > ^ > arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl' > #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) > ~~~~~~~~~~~~~~~~~~~~~^ > In file included from drivers/mailbox/imx-mailbox.c:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:10: > In file included from arch/powerpc/include/asm/hardirq.h:6: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:13: > In file included from arch/powerpc/include/asm/io.h:619: > arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' > __do_##name al; \ > ^~~~~~~~~~~~~~ > <scratch space>:190:1: note: expanded from here > __do_outsb > ^ > arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb' > #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) > ~~~~~~~~~~~~~~~~~~~~~^ > In file included from drivers/mailbox/imx-mailbox.c:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:10: > In file included from arch/powerpc/include/asm/hardirq.h:6: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:13: > In file included from arch/powerpc/include/asm/io.h:619: > arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' > __do_##name al; \ > ^~~~~~~~~~~~~~ > <scratch space>:192:1: note: expanded from here > __do_outsw > ^ > arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw' > #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) > ~~~~~~~~~~~~~~~~~~~~~^ > In file included from drivers/mailbox/imx-mailbox.c:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:10: > In file included from arch/powerpc/include/asm/hardirq.h:6: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:13: > In file included from arch/powerpc/include/asm/io.h:619: > arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' > __do_##name al; \ > ^~~~~~~~~~~~~~ > <scratch space>:194:1: note: expanded from here > __do_outsl > ^ > arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl' > #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) > ~~~~~~~~~~~~~~~~~~~~~^ >>> drivers/mailbox/imx-mailbox.c:278:2: warning: variable 'val' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized] > default: > ^~~~~~~ > drivers/mailbox/imx-mailbox.c:282:7: note: uninitialized use occurs here > if (!val) > ^~~ > drivers/mailbox/imx-mailbox.c:257:9: note: initialize the variable 'val' to silence this warning > u32 val, ctrl; > ^ > = 0 > drivers/mailbox/imx-mailbox.c:608:2: error: member reference base type 'int' is not a structure or union > .xRR = 0x10 > ^~~~ > drivers/mailbox/imx-mailbox.c:609:2: error: member reference base type 'int' is not a structure or union > .xSR = {0x20, 0x20, 0x20, 0x20}, > ^~~~ > drivers/mailbox/imx-mailbox.c:609:9: error: expected expression > .xSR = {0x20, 0x20, 0x20, 0x20}, > ^ > 13 warnings and 3 errors generated. > > > vim +/val +278 drivers/mailbox/imx-mailbox.c > > 2bb7005696e224 Oleksij Rempel 2018-08-03 251 > 2bb7005696e224 Oleksij Rempel 2018-08-03 252 static irqreturn_t imx_mu_isr(int irq, void *p) > 2bb7005696e224 Oleksij Rempel 2018-08-03 253 { > 2bb7005696e224 Oleksij Rempel 2018-08-03 254 struct mbox_chan *chan = p; > 2bb7005696e224 Oleksij Rempel 2018-08-03 255 struct imx_mu_priv *priv = to_imx_mu_priv(chan->mbox); > 2bb7005696e224 Oleksij Rempel 2018-08-03 256 struct imx_mu_con_priv *cp = chan->con_priv; > 63b383575c388f Peng Fan 2020-03-19 257 u32 val, ctrl; > 2bb7005696e224 Oleksij Rempel 2018-08-03 258 > 2bb7005696e224 Oleksij Rempel 2018-08-03 259 switch (cp->type) { > 2bb7005696e224 Oleksij Rempel 2018-08-03 260 case IMX_MU_TYPE_TX: > 356d4325293099 Peng Fan 2021-05-07 261 ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_TCR]); > 356d4325293099 Peng Fan 2021-05-07 262 val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_TSR]); > 2bb7005696e224 Oleksij Rempel 2018-08-03 263 val &= IMX_MU_xSR_TEn(cp->idx) & > 2bb7005696e224 Oleksij Rempel 2018-08-03 264 (ctrl & IMX_MU_xCR_TIEn(cp->idx)); > 2bb7005696e224 Oleksij Rempel 2018-08-03 265 break; > 2bb7005696e224 Oleksij Rempel 2018-08-03 266 case IMX_MU_TYPE_RX: > 356d4325293099 Peng Fan 2021-05-07 267 ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_RCR]); > 356d4325293099 Peng Fan 2021-05-07 268 val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_RSR]); > 2bb7005696e224 Oleksij Rempel 2018-08-03 269 val &= IMX_MU_xSR_RFn(cp->idx) & > 2bb7005696e224 Oleksij Rempel 2018-08-03 270 (ctrl & IMX_MU_xCR_RIEn(cp->idx)); > 2bb7005696e224 Oleksij Rempel 2018-08-03 271 break; > 2bb7005696e224 Oleksij Rempel 2018-08-03 272 case IMX_MU_TYPE_RXDB: > 356d4325293099 Peng Fan 2021-05-07 273 ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_GCR]); > 356d4325293099 Peng Fan 2021-05-07 274 val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_GSR]); > 2bb7005696e224 Oleksij Rempel 2018-08-03 275 val &= IMX_MU_xSR_GIPn(cp->idx) & > 2bb7005696e224 Oleksij Rempel 2018-08-03 276 (ctrl & IMX_MU_xCR_GIEn(cp->idx)); > 2bb7005696e224 Oleksij Rempel 2018-08-03 277 break; > 2bb7005696e224 Oleksij Rempel 2018-08-03 @278 default: > 2bb7005696e224 Oleksij Rempel 2018-08-03 279 break; > 2bb7005696e224 Oleksij Rempel 2018-08-03 280 } > 2bb7005696e224 Oleksij Rempel 2018-08-03 281 > 2bb7005696e224 Oleksij Rempel 2018-08-03 282 if (!val) > 2bb7005696e224 Oleksij Rempel 2018-08-03 283 return IRQ_NONE; > 2bb7005696e224 Oleksij Rempel 2018-08-03 284 > 2bb7005696e224 Oleksij Rempel 2018-08-03 285 if (val == IMX_MU_xSR_TEn(cp->idx)) { > 356d4325293099 Peng Fan 2021-05-07 286 imx_mu_xcr_rmw(priv, IMX_MU_TCR, 0, IMX_MU_xCR_TIEn(cp->idx)); > 2bb7005696e224 Oleksij Rempel 2018-08-03 287 mbox_chan_txdone(chan, 0); > 2bb7005696e224 Oleksij Rempel 2018-08-03 288 } else if (val == IMX_MU_xSR_RFn(cp->idx)) { > 63b383575c388f Peng Fan 2020-03-19 289 priv->dcfg->rx(priv, cp); > 2bb7005696e224 Oleksij Rempel 2018-08-03 290 } else if (val == IMX_MU_xSR_GIPn(cp->idx)) { > 356d4325293099 Peng Fan 2021-05-07 291 imx_mu_write(priv, IMX_MU_xSR_GIPn(cp->idx), priv->dcfg->xSR[IMX_MU_GSR]); > 2bb7005696e224 Oleksij Rempel 2018-08-03 292 mbox_chan_received_data(chan, NULL); > 2bb7005696e224 Oleksij Rempel 2018-08-03 293 } else { > 2bb7005696e224 Oleksij Rempel 2018-08-03 294 dev_warn_ratelimited(priv->dev, "Not handled interrupt\n"); > 2bb7005696e224 Oleksij Rempel 2018-08-03 295 return IRQ_NONE; > 2bb7005696e224 Oleksij Rempel 2018-08-03 296 } > 2bb7005696e224 Oleksij Rempel 2018-08-03 297 > 2bb7005696e224 Oleksij Rempel 2018-08-03 298 return IRQ_HANDLED; > 2bb7005696e224 Oleksij Rempel 2018-08-03 299 } > 2bb7005696e224 Oleksij Rempel 2018-08-03 300 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org >
diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index bd7758c32a80..f5dadcc827aa 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -41,6 +41,21 @@ enum imx_mu_chan_type { IMX_MU_TYPE_RXDB, /* Rx doorbell */ }; +enum imx_mu_xcr { + IMX_MU_CR, + IMX_MU_GCR, + IMX_MU_TCR, + IMX_MU_RCR, + IMX_MU_xCR_MAX, +}; + +enum imx_mu_xsr { + IMX_MU_SR, + IMX_MU_GSR, + IMX_MU_TSR, + IMX_MU_RSR, +}; + struct imx_sc_rpc_msg_max { struct imx_sc_rpc_msg hdr; u32 data[7]; @@ -67,7 +82,7 @@ struct imx_mu_priv { struct clk *clk; int irq; - u32 xcr; + u32 xcr[4]; bool side_b; }; @@ -78,8 +93,8 @@ struct imx_mu_dcfg { void (*init)(struct imx_mu_priv *priv); u32 xTR; /* Transmit Register0 */ u32 xRR; /* Receive Register0 */ - u32 xSR; /* Status Register */ - u32 xCR; /* Control Register */ + u32 xSR[4]; /* Status Registers */ + u32 xCR[4]; /* Control Registers */ }; static struct imx_mu_priv *to_imx_mu_priv(struct mbox_controller *mbox) @@ -97,16 +112,16 @@ static u32 imx_mu_read(struct imx_mu_priv *priv, u32 offs) return ioread32(priv->base + offs); } -static u32 imx_mu_xcr_rmw(struct imx_mu_priv *priv, u32 set, u32 clr) +static u32 imx_mu_xcr_rmw(struct imx_mu_priv *priv, enum imx_mu_xcr type, u32 set, u32 clr) { unsigned long flags; u32 val; spin_lock_irqsave(&priv->xcr_lock, flags); - val = imx_mu_read(priv, priv->dcfg->xCR); + val = imx_mu_read(priv, priv->dcfg->xCR[type]); val &= ~clr; val |= set; - imx_mu_write(priv, val, priv->dcfg->xCR); + imx_mu_write(priv, val, priv->dcfg->xCR[type]); spin_unlock_irqrestore(&priv->xcr_lock, flags); return val; @@ -121,10 +136,10 @@ static int imx_mu_generic_tx(struct imx_mu_priv *priv, switch (cp->type) { case IMX_MU_TYPE_TX: imx_mu_write(priv, *arg, priv->dcfg->xTR + cp->idx * 4); - imx_mu_xcr_rmw(priv, IMX_MU_xCR_TIEn(cp->idx), 0); + imx_mu_xcr_rmw(priv, IMX_MU_TCR, IMX_MU_xCR_TIEn(cp->idx), 0); break; case IMX_MU_TYPE_TXDB: - imx_mu_xcr_rmw(priv, IMX_MU_xCR_GIRn(cp->idx), 0); + imx_mu_xcr_rmw(priv, IMX_MU_GCR, IMX_MU_xCR_GIRn(cp->idx), 0); tasklet_schedule(&cp->txdb_tasklet); break; default: @@ -174,7 +189,7 @@ static int imx_mu_scu_tx(struct imx_mu_priv *priv, for (i = 0; i < 4 && i < msg->hdr.size; i++) imx_mu_write(priv, *arg++, priv->dcfg->xTR + (i % 4) * 4); for (; i < msg->hdr.size; i++) { - ret = readl_poll_timeout(priv->base + priv->dcfg->xSR, + ret = readl_poll_timeout(priv->base + priv->dcfg->xSR[IMX_MU_TSR], xsr, xsr & IMX_MU_xSR_TEn(i % 4), 0, 100); @@ -185,7 +200,7 @@ static int imx_mu_scu_tx(struct imx_mu_priv *priv, imx_mu_write(priv, *arg++, priv->dcfg->xTR + (i % 4) * 4); } - imx_mu_xcr_rmw(priv, IMX_MU_xCR_TIEn(cp->idx), 0); + imx_mu_xcr_rmw(priv, IMX_MU_TCR, IMX_MU_xCR_TIEn(cp->idx), 0); break; default: dev_warn_ratelimited(priv->dev, "Send data on wrong channel type: %d\n", cp->type); @@ -203,7 +218,7 @@ static int imx_mu_scu_rx(struct imx_mu_priv *priv, int i, ret; u32 xsr; - imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_RIEn(0)); + imx_mu_xcr_rmw(priv, IMX_MU_RCR, 0, IMX_MU_xCR_RIEn(0)); *data++ = imx_mu_read(priv, priv->dcfg->xRR); if (msg.hdr.size > sizeof(msg) / 4) { @@ -212,7 +227,7 @@ static int imx_mu_scu_rx(struct imx_mu_priv *priv, } for (i = 1; i < msg.hdr.size; i++) { - ret = readl_poll_timeout(priv->base + priv->dcfg->xSR, xsr, + ret = readl_poll_timeout(priv->base + priv->dcfg->xSR[IMX_MU_RSR], xsr, xsr & IMX_MU_xSR_RFn(i % 4), 0, 100); if (ret) { dev_err(priv->dev, "timeout read idx %d\n", i); @@ -221,7 +236,7 @@ static int imx_mu_scu_rx(struct imx_mu_priv *priv, *data++ = imx_mu_read(priv, priv->dcfg->xRR + (i % 4) * 4); } - imx_mu_xcr_rmw(priv, IMX_MU_xCR_RIEn(0), 0); + imx_mu_xcr_rmw(priv, IMX_MU_RCR, IMX_MU_xCR_RIEn(0), 0); mbox_chan_received_data(cp->chan, (void *)&msg); return 0; @@ -241,19 +256,22 @@ static irqreturn_t imx_mu_isr(int irq, void *p) struct imx_mu_con_priv *cp = chan->con_priv; u32 val, ctrl; - ctrl = imx_mu_read(priv, priv->dcfg->xCR); - val = imx_mu_read(priv, priv->dcfg->xSR); - switch (cp->type) { case IMX_MU_TYPE_TX: + ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_TCR]); + val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_TSR]); val &= IMX_MU_xSR_TEn(cp->idx) & (ctrl & IMX_MU_xCR_TIEn(cp->idx)); break; case IMX_MU_TYPE_RX: + ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_RCR]); + val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_RSR]); val &= IMX_MU_xSR_RFn(cp->idx) & (ctrl & IMX_MU_xCR_RIEn(cp->idx)); break; case IMX_MU_TYPE_RXDB: + ctrl = imx_mu_read(priv, priv->dcfg->xCR[IMX_MU_GCR]); + val = imx_mu_read(priv, priv->dcfg->xSR[IMX_MU_GSR]); val &= IMX_MU_xSR_GIPn(cp->idx) & (ctrl & IMX_MU_xCR_GIEn(cp->idx)); break; @@ -265,12 +283,12 @@ static irqreturn_t imx_mu_isr(int irq, void *p) return IRQ_NONE; if (val == IMX_MU_xSR_TEn(cp->idx)) { - imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx)); + imx_mu_xcr_rmw(priv, IMX_MU_TCR, 0, IMX_MU_xCR_TIEn(cp->idx)); mbox_chan_txdone(chan, 0); } else if (val == IMX_MU_xSR_RFn(cp->idx)) { priv->dcfg->rx(priv, cp); } else if (val == IMX_MU_xSR_GIPn(cp->idx)) { - imx_mu_write(priv, IMX_MU_xSR_GIPn(cp->idx), priv->dcfg->xSR); + imx_mu_write(priv, IMX_MU_xSR_GIPn(cp->idx), priv->dcfg->xSR[IMX_MU_GSR]); mbox_chan_received_data(chan, NULL); } else { dev_warn_ratelimited(priv->dev, "Not handled interrupt\n"); @@ -317,10 +335,10 @@ static int imx_mu_startup(struct mbox_chan *chan) switch (cp->type) { case IMX_MU_TYPE_RX: - imx_mu_xcr_rmw(priv, IMX_MU_xCR_RIEn(cp->idx), 0); + imx_mu_xcr_rmw(priv, IMX_MU_RCR, IMX_MU_xCR_RIEn(cp->idx), 0); break; case IMX_MU_TYPE_RXDB: - imx_mu_xcr_rmw(priv, IMX_MU_xCR_GIEn(cp->idx), 0); + imx_mu_xcr_rmw(priv, IMX_MU_GCR, IMX_MU_xCR_GIEn(cp->idx), 0); break; default: break; @@ -342,13 +360,13 @@ static void imx_mu_shutdown(struct mbox_chan *chan) switch (cp->type) { case IMX_MU_TYPE_TX: - imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx)); + imx_mu_xcr_rmw(priv, IMX_MU_TCR, 0, IMX_MU_xCR_TIEn(cp->idx)); break; case IMX_MU_TYPE_RX: - imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_RIEn(cp->idx)); + imx_mu_xcr_rmw(priv, IMX_MU_RCR, 0, IMX_MU_xCR_RIEn(cp->idx)); break; case IMX_MU_TYPE_RXDB: - imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_GIEn(cp->idx)); + imx_mu_xcr_rmw(priv, IMX_MU_GCR, 0, IMX_MU_xCR_GIEn(cp->idx)); break; default: break; @@ -444,7 +462,8 @@ static void imx_mu_init_generic(struct imx_mu_priv *priv) return; /* Set default MU configuration */ - imx_mu_write(priv, 0, priv->dcfg->xCR); + for (i = 0; i < IMX_MU_xCR_MAX; i++) + imx_mu_write(priv, 0, priv->dcfg->xCR[i]); } static void imx_mu_init_scu(struct imx_mu_priv *priv) @@ -466,7 +485,8 @@ static void imx_mu_init_scu(struct imx_mu_priv *priv) priv->mbox.of_xlate = imx_mu_scu_xlate; /* Set default MU configuration */ - imx_mu_write(priv, 0, priv->dcfg->xCR); + for (i = 0; i < IMX_MU_xCR_MAX; i++) + imx_mu_write(priv, 0, priv->dcfg->xCR[i]); } static int imx_mu_probe(struct platform_device *pdev) @@ -566,8 +586,8 @@ static const struct imx_mu_dcfg imx_mu_cfg_imx6sx = { .init = imx_mu_init_generic, .xTR = 0x0, .xRR = 0x10, - .xSR = 0x20, - .xCR = 0x24, + .xSR = {0x20, 0x20, 0x20, 0x20}, + .xCR = {0x24, 0x24, 0x24, 0x24}, }; static const struct imx_mu_dcfg imx_mu_cfg_imx7ulp = { @@ -576,8 +596,8 @@ static const struct imx_mu_dcfg imx_mu_cfg_imx7ulp = { .init = imx_mu_init_generic, .xTR = 0x20, .xRR = 0x40, - .xSR = 0x60, - .xCR = 0x64, + .xSR = {0x60, 0x60, 0x60, 0x60}, + .xCR = {0x64, 0x64, 0x64, 0x64}, }; static const struct imx_mu_dcfg imx_mu_cfg_imx8_scu = { @@ -586,8 +606,8 @@ static const struct imx_mu_dcfg imx_mu_cfg_imx8_scu = { .init = imx_mu_init_scu, .xTR = 0x0 .xRR = 0x10 - .xSR = 0x20, - .xCR = 0x24, + .xSR = {0x20, 0x20, 0x20, 0x20}, + .xCR = {0x24, 0x24, 0x24, 0x24}, }; static const struct of_device_id imx_mu_dt_ids[] = { @@ -601,9 +621,12 @@ MODULE_DEVICE_TABLE(of, imx_mu_dt_ids); static int __maybe_unused imx_mu_suspend_noirq(struct device *dev) { struct imx_mu_priv *priv = dev_get_drvdata(dev); + int i; - if (!priv->clk) - priv->xcr = imx_mu_read(priv, priv->dcfg->xCR); + if (!priv->clk) { + for (i = 0; i < IMX_MU_xCR_MAX; i++) + priv->xcr[i] = imx_mu_read(priv, priv->dcfg->xCR[i]); + } return 0; } @@ -611,6 +634,7 @@ static int __maybe_unused imx_mu_suspend_noirq(struct device *dev) static int __maybe_unused imx_mu_resume_noirq(struct device *dev) { struct imx_mu_priv *priv = dev_get_drvdata(dev); + int i; /* * ONLY restore MU when context lost, the TIE could @@ -620,8 +644,10 @@ static int __maybe_unused imx_mu_resume_noirq(struct device *dev) * send failed, may lead to system freeze. This issue * is observed by testing freeze mode suspend. */ - if (!imx_mu_read(priv, priv->dcfg->xCR) && !priv->clk) - imx_mu_write(priv, priv->xcr, priv->dcfg->xCR); + if (!imx_mu_read(priv, priv->dcfg->xCR[0]) && !priv->clk) { + for (i = 0; i < IMX_MU_xCR_MAX; i++) + imx_mu_write(priv, priv->xcr[i], priv->dcfg->xCR[i]); + } return 0; }