From: Bhaktipriya Shridhar Date: Tue, 8 Mar 2016 17:58:13 +0000 (+0530) Subject: staging: rtl8723au: hal: Use macro DIV_ROUND_UP X-Git-Tag: v4.6-rc1~103^2~57 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3c2f78f4fc63b3f971ea5a4c4885f4f820bb6e69;p=karo-tx-linux.git staging: rtl8723au: hal: Use macro DIV_ROUND_UP The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This was done using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1)) / (e2) + DIV_ROUND_UP(e1,e2) ) Signed-off-by: Bhaktipriya Shridhar Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/rtl8723au/hal/usb_halinit.c b/drivers/staging/rtl8723au/hal/usb_halinit.c index 3c2d03ee416a..fa47aebf8b98 100644 --- a/drivers/staging/rtl8723au/hal/usb_halinit.c +++ b/drivers/staging/rtl8723au/hal/usb_halinit.c @@ -736,8 +736,7 @@ int rtl8723au_hal_init(struct rtw_adapter *Adapter) rtl8723a_InitHalDm(Adapter); - val8 = (WiFiNavUpperUs + HAL_8723A_NAV_UPPER_UNIT - 1) / - HAL_8723A_NAV_UPPER_UNIT; + val8 = DIV_ROUND_UP(WiFiNavUpperUs, HAL_8723A_NAV_UPPER_UNIT); rtl8723au_write8(Adapter, REG_NAV_UPPER, val8); /* 2011/03/09 MH debug only, UMC-B cut pass 2500 S5 test, but we need to fin root cause. */