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SubjectRe: [PATCH v2 32/50] wilc1000: introduce vmm_table_entry() helper function
Hi David,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on kvalo-wireless-drivers-next/master]
[also build test WARNING on kvalo-wireless-drivers/master v5.16-rc7 next-20211224]
[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/David-Mosberger-Tang/wilc1000-rework-tx-path-to-use-sk_buffs-throughout/20211223-091915
base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master
config: sparc-randconfig-s031-20211228 (https://download.01.org/0day-ci/archive/20211228/202112282030.iPTnhHRr-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
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: v0.6.4-dirty
# https://github.com/0day-ci/linux/commit/9339519807fd005c22f3299f859edc615e540d3f
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review David-Mosberger-Tang/wilc1000-rework-tx-path-to-use-sk_buffs-throughout/20211223-091915
git checkout 9339519807fd005c22f3299f859edc615e540d3f
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc SHELL=/bin/bash drivers/net/wireless/microchip/wilc1000/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/net/wireless/microchip/wilc1000/wlan.c:640:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned int @@ got restricted __le32 [usertype] @@
drivers/net/wireless/microchip/wilc1000/wlan.c:640:16: sparse: expected unsigned int
drivers/net/wireless/microchip/wilc1000/wlan.c:640:16: sparse: got restricted __le32 [usertype]

vim +640 drivers/net/wireless/microchip/wilc1000/wlan.c

631
632 static u32 vmm_table_entry(struct sk_buff *tqe, u32 vmm_sz)
633 {
634 struct wilc_skb_tx_cb *tx_cb = WILC_SKB_TX_CB(tqe);
635 u32 entry;
636
637 entry = vmm_sz / 4;
638 if (tx_cb->type == WILC_CFG_PKT)
639 entry |= WILC_VMM_CFG_PKT;
> 640 return cpu_to_le32(entry);
641 }
642

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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