From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: kernel test robot <lkp@intel.com>,
jassisinghbrar@gmail.com, robh+dt@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
o.rempel@pengutronix.de
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
kernel@pengutronix.de, festevam@gmail.com, aisheng.dong@nxp.com,
linux-imx@nxp.com, devicetree@vger.kernel.org
Subject: Re: [PATCH 3/4] mailbox: imx: add xSR/xCR register array
Date: Mon, 10 May 2021 09:21:30 +0800 [thread overview]
Message-ID: <a56ec818-9352-b88f-0fd4-756bb46b642b@oss.nxp.com> (raw)
In-Reply-To: <202105080008.OslMjdrl-lkp@intel.com>
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
>
next prev parent reply other threads:[~2021-05-10 1:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-07 10:19 [PATCH 0/4] mailbox: imx: add i.MX8ULP MU support Peng Fan (OSS)
2021-05-07 10:19 ` [PATCH 1/4] dt-bindings: mailbox: imx-mu: " Peng Fan (OSS)
2021-05-10 15:49 ` Rob Herring
2021-05-07 10:19 ` [PATCH 2/4] mailbox: imx: replace the xTR/xRR array with single register Peng Fan (OSS)
2021-05-26 6:58 ` Daniel Baluta
2021-05-27 0:36 ` Peng Fan (OSS)
2021-05-07 10:19 ` [PATCH 3/4] mailbox: imx: add xSR/xCR register array Peng Fan (OSS)
2021-05-07 16:08 ` kernel test robot
2021-05-10 1:21 ` Peng Fan (OSS) [this message]
2021-05-07 10:19 ` [PATCH 4/4] mailbox: imx-mailbox: support i.MX8ULP MU Peng Fan (OSS)
2021-05-26 6:06 ` [PATCH 0/4] mailbox: imx: add i.MX8ULP MU support Peng Fan (OSS)
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