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Message-ID: <202212201118.cW5MKwEq-lkp@intel.com>
Date: Tue, 20 Dec 2022 12:01:41 +0800
From: kernel test robot <lkp@...el.com>
To: Piyush Malgujar <pmalgujar@...vell.com>, linux-mmc@...r.kernel.org,
linux-kernel@...r.kernel.org, adrian.hunter@...el.com,
ulf.hansson@...aro.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, yamada.masahiro@...ionext.com,
devicetree@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
jannadurai@...vell.com, cchavva@...vell.com,
Piyush Malgujar <pmalgujar@...vell.com>
Subject: Re: [PATCH 5/5] drivers: mmc: sdhci-cadence: Add debug option for
sdhci-cadence driver.
Hi Piyush,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.1 next-20221219]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Piyush-Malgujar/drivers-mmc-sdhci-cadence-SD6-controller-support/20221219-222703
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20221219142418.27949-6-pmalgujar%40marvell.com
patch subject: [PATCH 5/5] drivers: mmc: sdhci-cadence: Add debug option for sdhci-cadence driver.
config: hexagon-allyesconfig
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 98b13979fb05f3ed288a900deb843e7b27589e58)
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
# https://github.com/intel-lab-lkp/linux/commit/2f50d93c62815502509f88632801e0d3e68600d1
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Piyush-Malgujar/drivers-mmc-sdhci-cadence-SD6-controller-support/20221219-222703
git checkout 2f50d93c62815502509f88632801e0d3e68600d1
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/mmc/host/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from drivers/mmc/host/sdhci-cadence.c:9:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/mmc/host/sdhci-cadence.c:9:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/mmc/host/sdhci-cadence.c:9:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> drivers/mmc/host/sdhci-cadence.c:1026:6: warning: no previous prototype for function 'sdhci_cdns_sd6_dump' [-Wmissing-prototypes]
void sdhci_cdns_sd6_dump(struct sdhci_cdns_priv *priv)
^
drivers/mmc/host/sdhci-cadence.c:1026:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void sdhci_cdns_sd6_dump(struct sdhci_cdns_priv *priv)
^
static
7 warnings generated.
vim +/sdhci_cdns_sd6_dump +1026 drivers/mmc/host/sdhci-cadence.c
1025
> 1026 void sdhci_cdns_sd6_dump(struct sdhci_cdns_priv *priv)
1027 {
1028 struct sdhci_cdns_sd6_phy *phy = priv->phy;
1029 int id;
1030
1031 sdhci_cdns_sd6_phy_dump(phy);
1032
1033 DEBUG_DRV("Host controller Register Dump\n");
1034 for (id = 0; id < 14; id++)
1035 DEBUG_DRV("HRS%d 0x%x\n", id, readl(priv->hrs_addr + (id * 4)));
1036
1037 id = 29;
1038 DEBUG_DRV("HRS%d 0x%x\n", id, readl(priv->hrs_addr + (id * 4)));
1039 id = 30;
1040 DEBUG_DRV("HRS%d 0x%x\n", id, readl(priv->hrs_addr + (id * 4)));
1041
1042 for (id = 0; id < 27; id++)
1043 DEBUG_DRV("SRS%d 0x%x\n", id, readl(priv->hrs_addr + 0x200 + (id * 4)));
1044
1045 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_DQS_TIMING 0x%x\n",
1046 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_DQS_TIMING));
1047 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_GATE_LPBK 0x%x\n",
1048 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_GATE_LPBK));
1049 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_DLL_MASTER 0x%x\n",
1050 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_DLL_MASTER));
1051 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_DLL_SLAVE 0x%x\n",
1052 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_DLL_SLAVE));
1053 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_CTRL 0x%x\n",
1054 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_CTRL));
1055 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_GPIO_CTRL0 0x%x\n",
1056 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_GPIO_CTRL0));
1057 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_DQ_TIMING 0x%x\n",
1058 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_DQ_TIMING));
1059 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_DLL_OBS_REG0 0x%x\n",
1060 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_DLL_OBS_REG0));
1061 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_DLL_OBS_REG1 0x%x\n",
1062 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_DLL_OBS_REG1));
1063 DEBUG_DRV("SDHCI_CDNS_SD6_PHY_DLL_OBS_REG2 0x%x\n",
1064 sdhci_cdns_sd6_read_phy_reg(priv, SDHCI_CDNS_SD6_PHY_DLL_OBS_REG2));
1065 }
1066 #endif
1067
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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