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SubjectRe: [PATCH] net: samsung: sxgbe: Replace mdelay with usleep_range in sxgbe_sw_reset
Hi Jia-Ju,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.16 next-20180411]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Jia-Ju-Bai/net-samsung-sxgbe-Replace-mdelay-with-usleep_range-in-sxgbe_sw_reset/20180411-225900
config: i386-randconfig-x019-201814 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

drivers/net//ethernet/samsung/sxgbe/sxgbe_main.c: In function 'sxgbe_sw_reset':
>> drivers/net//ethernet/samsung/sxgbe/sxgbe_main.c:2039:3: error: implicit declaration of function 'usleep'; did you mean 'ssleep'? [-Werror=implicit-function-declaration]
usleep(10000, 11000);
^~~~~~
ssleep
cc1: some warnings being treated as errors

vim +2039 drivers/net//ethernet/samsung/sxgbe/sxgbe_main.c

2029
2030 static int sxgbe_sw_reset(void __iomem *addr)
2031 {
2032 int retry_count = 10;
2033
2034 writel(SXGBE_DMA_SOFT_RESET, addr + SXGBE_DMA_MODE_REG);
2035 while (retry_count--) {
2036 if (!(readl(addr + SXGBE_DMA_MODE_REG) &
2037 SXGBE_DMA_SOFT_RESET))
2038 break;
> 2039 usleep(10000, 11000);
2040 }
2041
2042 if (retry_count < 0)
2043 return -EBUSY;
2044
2045 return 0;
2046 }
2047

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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