Messages in this thread | | | Date | Tue, 22 Mar 2022 13:40:19 +0800 | From | kernel test robot <> | Subject | [jarkko-tpmdd:master 27/27] drivers/char/tpm/tpm_tis_synquacer.c:89:12: warning: passing argument 1 of 'iowrite8' makes integer from pointer without a cast |
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tree: git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git master head: a536629ef32d127d26f3886f1fd480708fd5ac20 commit: a536629ef32d127d26f3886f1fd480708fd5ac20 [27/27] tpm: Remove read16/read32/write32 calls from tpm_tis_phy_ops config: um-allyesconfig (https://download.01.org/0day-ci/archive/20220322/202203221316.iy9h9BnW-lkp@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git/commit/?id=a536629ef32d127d26f3886f1fd480708fd5ac20 git remote add jarkko-tpmdd git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git git fetch --no-tags jarkko-tpmdd master git checkout a536629ef32d127d26f3886f1fd480708fd5ac20 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SHELL=/bin/bash drivers/char/tpm/
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 >>):
drivers/char/tpm/tpm_tis_synquacer.c: In function 'tpm_tis_synquacer_read_bytes': drivers/char/tpm/tpm_tis_synquacer.c:45:6: warning: unused variable 'result32' [-Wunused-variable] 45 | u32 result32; | ^~~~~~~~ drivers/char/tpm/tpm_tis_synquacer.c:44:6: warning: unused variable 'result16' [-Wunused-variable] 44 | u16 result16; | ^~~~~~~~ drivers/char/tpm/tpm_tis_synquacer.c:43:9: warning: unused variable 'result_le32' [-Wunused-variable] 43 | __le32 result_le32; | ^~~~~~~~~~~ drivers/char/tpm/tpm_tis_synquacer.c:42:9: warning: unused variable 'result_le16' [-Wunused-variable] 42 | __le16 result_le16; | ^~~~~~~~~~~ drivers/char/tpm/tpm_tis_synquacer.c: In function 'tpm_tis_synquacer_write_bytes': >> drivers/char/tpm/tpm_tis_synquacer.c:89:12: warning: passing argument 1 of 'iowrite8' makes integer from pointer without a cast [-Wint-conversion] 89 | iowrite8(&value[3], phy->iobase + addr + 3); | ^~~~~~~~~ | | | const u8 * {aka const unsigned char *} In file included from include/asm-generic/io.h:15, from arch/um/include/asm/io.h:24, from include/linux/io.h:13, from drivers/char/tpm/tpm.h:26, from drivers/char/tpm/tpm_tis_synquacer.c:14: include/asm-generic/iomap.h:50:22: note: expected 'u8' {aka 'unsigned char'} but argument is of type 'const u8 *' {aka 'const unsigned char *'} 50 | extern void iowrite8(u8, void __iomem *); | ^~ drivers/char/tpm/tpm_tis_synquacer.c:90:12: warning: passing argument 1 of 'iowrite8' makes integer from pointer without a cast [-Wint-conversion] 90 | iowrite8(&value[2], phy->iobase + addr + 2); | ^~~~~~~~~ | | | const u8 * {aka const unsigned char *} In file included from include/asm-generic/io.h:15, from arch/um/include/asm/io.h:24, from include/linux/io.h:13, from drivers/char/tpm/tpm.h:26, from drivers/char/tpm/tpm_tis_synquacer.c:14: include/asm-generic/iomap.h:50:22: note: expected 'u8' {aka 'unsigned char'} but argument is of type 'const u8 *' {aka 'const unsigned char *'} 50 | extern void iowrite8(u8, void __iomem *); | ^~ drivers/char/tpm/tpm_tis_synquacer.c:91:12: warning: passing argument 1 of 'iowrite8' makes integer from pointer without a cast [-Wint-conversion] 91 | iowrite8(&value[1], phy->iobase + addr + 1); | ^~~~~~~~~ | | | const u8 * {aka const unsigned char *} In file included from include/asm-generic/io.h:15, from arch/um/include/asm/io.h:24, from include/linux/io.h:13, from drivers/char/tpm/tpm.h:26, from drivers/char/tpm/tpm_tis_synquacer.c:14: include/asm-generic/iomap.h:50:22: note: expected 'u8' {aka 'unsigned char'} but argument is of type 'const u8 *' {aka 'const unsigned char *'} 50 | extern void iowrite8(u8, void __iomem *); | ^~ drivers/char/tpm/tpm_tis_synquacer.c:92:12: warning: passing argument 1 of 'iowrite8' makes integer from pointer without a cast [-Wint-conversion] 92 | iowrite8(&value[0], phy->iobase + addr); | ^~~~~~~~~ | | | const u8 * {aka const unsigned char *} In file included from include/asm-generic/io.h:15, from arch/um/include/asm/io.h:24, from include/linux/io.h:13, from drivers/char/tpm/tpm.h:26, from drivers/char/tpm/tpm_tis_synquacer.c:14: include/asm-generic/iomap.h:50:22: note: expected 'u8' {aka 'unsigned char'} but argument is of type 'const u8 *' {aka 'const unsigned char *'} 50 | extern void iowrite8(u8, void __iomem *); | ^~ drivers/char/tpm/tpm_tis_synquacer.c:75:6: warning: unused variable 'result32' [-Wunused-variable] 75 | u32 result32; | ^~~~~~~~ drivers/char/tpm/tpm_tis_synquacer.c:74:6: warning: unused variable 'result16' [-Wunused-variable] 74 | u16 result16; | ^~~~~~~~ drivers/char/tpm/tpm_tis_synquacer.c:73:9: warning: unused variable 'result_le32' [-Wunused-variable] 73 | __le32 result_le32; | ^~~~~~~~~~~ drivers/char/tpm/tpm_tis_synquacer.c:72:9: warning: unused variable 'result_le16' [-Wunused-variable] 72 | __le16 result_le16; | ^~~~~~~~~~~
vim +/iowrite8 +89 drivers/char/tpm/tpm_tis_synquacer.c
66 67 static int tpm_tis_synquacer_write_bytes(struct tpm_tis_data *data, u32 addr, 68 u16 len, const u8 *value, 69 enum tpm_tis_io_mode io_mode) 70 { 71 struct tpm_tis_synquacer_phy *phy = to_tpm_tis_tcg_phy(data); 72 __le16 result_le16; 73 __le32 result_le32; 74 u16 result16; 75 u32 result32; 76 77 switch (io_mode) { 78 case TPM_TIS_PHYS_8: 79 while (len--) 80 iowrite8(*value++, phy->iobase + addr); 81 break; 82 case TPM_TIS_PHYS_16: 83 return -EINVAL; 84 case TPM_TIS_PHYS_32: 85 /* 86 * Due to the limitation of SPI controller on SynQuacer, 87 * 16/32 bits access must be done in byte-wise and descending order. 88 */ > 89 iowrite8(&value[3], phy->iobase + addr + 3); 90 iowrite8(&value[2], phy->iobase + addr + 2); 91 iowrite8(&value[1], phy->iobase + addr + 1); 92 iowrite8(&value[0], phy->iobase + addr); 93 break; 94 } 95 96 return 0; 97 } 98
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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