tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 92edc4aef86780a8ad01b092c6d6630bb3cb423d commit: d56fd83cf99c5e4b257f5be46531420509ba5066 [3635/5794] brcmfmac: fix SDIO access for big-endian host config: powerpc-randconfig-s032-20201115 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-107-gaf3512a6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout d56fd83cf99c5e4b257f5be46531420509ba5066 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c:3558:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [addressable] [assigned] [usertype] value @@ got restricted __le32 [usertype] @@ drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c:3558:23: sparse: expected unsigned int [addressable] [assigned] [usertype] value drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c:3558:23: sparse: got restricted __le32 [usertype] vim +3547 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c 3511 3512 3513 static int brcmf_sdio_bus_preinit(struct device *dev) 3514 { 3515 struct brcmf_bus *bus_if = dev_get_drvdata(dev); 3516 struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; 3517 struct brcmf_sdio *bus = sdiodev->bus; 3518 struct brcmf_core *core = bus->sdio_core; 3519 u32 value; 3520 int err; 3521 3522 /* maxctl provided by common layer */ 3523 if (WARN_ON(!bus_if->maxctl)) 3524 return -EINVAL; 3525 3526 /* Allocate control receive buffer */ 3527 bus_if->maxctl += bus->roundup; 3528 value = roundup((bus_if->maxctl + SDPCM_HDRLEN), ALIGNMENT); 3529 value += bus->head_align; 3530 bus->rxbuf = kmalloc(value, GFP_ATOMIC); 3531 if (bus->rxbuf) 3532 bus->rxblen = value; 3533 3534 /* the commands below use the terms tx and rx from 3535 * a device perspective, ie. bus:txglom affects the 3536 * bus transfers from device to host. 3537 */ 3538 if (core->rev < 12) { 3539 /* for sdio core rev < 12, disable txgloming */ 3540 value = 0; 3541 err = brcmf_iovar_data_set(dev, "bus:txglom", &value, 3542 sizeof(u32)); 3543 } else { 3544 /* otherwise, set txglomalign */ 3545 value = sdiodev->settings->bus.sdio.sd_sgentry_align; 3546 /* SDIO ADMA requires at least 32 bit alignment */ 3548 err = brcmf_iovar_data_set(dev, "bus:txglomalign", &value, 3549 sizeof(u32)); 3550 } 3551 3552 if (err < 0) 3553 goto done; 3554 3555 bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN; 3556 if (sdiodev->sg_support) { 3557 bus->txglom = false; 3558 value = cpu_to_le32(1); 3559 err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom", 3560 &value, sizeof(u32)); 3561 if (err < 0) { 3562 /* bus:rxglom is allowed to fail */ 3563 err = 0; 3564 } else { 3565 bus->txglom = true; 3566 bus->tx_hdrlen += SDPCM_HWEXT_LEN; 3567 } 3568 } 3569 brcmf_bus_add_txhdrlen(bus->sdiodev->dev, bus->tx_hdrlen); 3570 3571 done: 3572 return err; 3573 } 3574 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org