Hi Nicolas, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v5.8 next-20200814] [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/Nicolas-Pitre/MIPI-I3c-HCI-Host-Controller-Interface-driver/20200814-115156 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: x86_64-randconfig-s021-20200816 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-168-g9554805c-dirty # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/i3c/master/mipi-i3c-hci/ext_caps.c:153:26: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *vendor_data @@ got void [noderef] __iomem *base @@ >> drivers/i3c/master/mipi-i3c-hci/ext_caps.c:153:26: sparse: expected void *vendor_data >> drivers/i3c/master/mipi-i3c-hci/ext_caps.c:153:26: sparse: got void [noderef] __iomem *base -- >> drivers/i3c/master/mipi-i3c-hci/pio.c:248:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] data @@ got restricted __le32 [usertype] @@ >> drivers/i3c/master/mipi-i3c-hci/pio.c:248:22: sparse: expected unsigned int [usertype] data >> drivers/i3c/master/mipi-i3c-hci/pio.c:248:22: sparse: got restricted __le32 [usertype] >> drivers/i3c/master/mipi-i3c-hci/pio.c:407:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] last_word @@ got restricted __le32 [usertype] @@ >> drivers/i3c/master/mipi-i3c-hci/pio.c:407:35: sparse: expected unsigned int [assigned] [usertype] last_word drivers/i3c/master/mipi-i3c-hci/pio.c:407:35: sparse: got restricted __le32 [usertype] >> drivers/i3c/master/mipi-i3c-hci/pio.c:699:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] data @@ got restricted __le32 [usertype] @@ >> drivers/i3c/master/mipi-i3c-hci/pio.c:699:22: sparse: expected unsigned int [assigned] [usertype] data drivers/i3c/master/mipi-i3c-hci/pio.c:699:22: sparse: got restricted __le32 [usertype] -- >> drivers/i3c/master/mipi-i3c-hci/core.c:614:60: sparse: sparse: Using plain integer as NULL pointer drivers/i3c/master/mipi-i3c-hci/core.c:622:60: sparse: sparse: Using plain integer as NULL pointer drivers/i3c/master/mipi-i3c-hci/core.c:630:60: sparse: sparse: Using plain integer as NULL pointer drivers/i3c/master/mipi-i3c-hci/core.c:635:60: sparse: sparse: Using plain integer as NULL pointer drivers/i3c/master/mipi-i3c-hci/core.c:640:64: sparse: sparse: Using plain integer as NULL pointer vim +153 drivers/i3c/master/mipi-i3c-hci/ext_caps.c 150 151 static int hci_extcap_vendor_NXP(struct i3c_hci *hci, void __iomem *base) 152 { > 153 hci->vendor_data = base; 154 INFO("Build Date Info = %#x", readl(base + 1*4)); 155 /* reset the FPGA */ 156 writel(0xdeadbeef, base + 1*4); 157 return 0; 158 } 159 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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