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authorJia-Ju Bai <baijiaju1990@gmail.com>2018-01-09 04:40:06 +0300
committerKalle Valo <kvalo@codeaurora.org>2018-01-11 22:54:01 +0300
commit4330b53e9662f8d105da5916899f98d2138dcb1e (patch)
tree5bb48a17dd517eb6e048303ce10dd40e2d6a4e2c /drivers/net/wireless/broadcom
parentb7acadaf038740c43515dc1548f43d01cc92823a (diff)
downloadlinux-4330b53e9662f8d105da5916899f98d2138dcb1e.tar.xz
b43: Replace mdelay with usleep_range in b43_radio_2057_init_post
b43_radio_2057_init_post is not called in an interrupt handler nor holding a spinlock. The function mdelay in it can be replaced with usleep_range, to reduce busy wait. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/broadcom')
-rw-r--r--drivers/net/wireless/broadcom/b43/phy_n.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/broadcom/b43/phy_n.c b/drivers/net/wireless/broadcom/b43/phy_n.c
index a5557d70689f..f2a2f41e3c96 100644
--- a/drivers/net/wireless/broadcom/b43/phy_n.c
+++ b/drivers/net/wireless/broadcom/b43/phy_n.c
@@ -1031,7 +1031,7 @@ static void b43_radio_2057_init_post(struct b43_wldev *dev)
b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
- mdelay(2);
+ usleep_range(2000, 3000);
b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);