linux-kernel - [PATCH] i40iw: Replace mdelay with msleep in i40iw_wait_pe

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Message-Id: <1514111980-30502-1-git-send-email-baijiaju1990@gmail.com>
Date:   Sun, 24 Dec 2017 18:39:40 +0800
From:   Jia-Ju Bai <baijiaju1990@...il.com>
To:     faisal.latif@...el.com, shiraz.saleem@...el.com,
        dledford@...hat.com, jgg@...pe.ca
Cc:     linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jia-Ju Bai <baijiaju1990@...il.com>
Subject: [PATCH] i40iw: Replace mdelay with msleep in i40iw_wait_pe_ready

i40iw_wait_pe_ready is not called in an interrupt handler 
nor holding a spinlock.
The function mdelay in it can be replaced with msleep, 
to reduce busy wait.

Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>
---
 drivers/infiniband/hw/i40iw/i40iw_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c
index e824296..8098bc1 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_main.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_main.c
@@ -1285,7 +1285,7 @@ static void i40iw_wait_pe_ready(struct i40iw_hw *hw)
 			      __LINE__, statuscpu2);
 		if ((statuscpu0 == 0x80) && (statuscpu1 == 0x80) && (statuscpu2 == 0x80))
 			break;	/* SUCCESS */
-		mdelay(1000);
+		msleep(1000);
 		retrycount++;
 	} while (retrycount < 14);
 	i40iw_wr32(hw, 0xb4040, 0x4C104C5);
-- 
1.7.9.5