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mwifiex: use usleep_range instead of udelay 

For the delay of 10 uSec or more usleep_range is prefered.
Unlike udelay, sleep_range avoids large number of undesired
interrupts.

Ref Documentation/timers/timers-howto.txt

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yogesh Ashok Powar 2012-03-12 19:35:11 -07:00 committed by John W. Linville
parent 6685d109f4
commit e7891ba2de
2 changed files with 5 additions and 5 deletions
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6
drivers/net/wireless/mwifiex/pcie.c
View File

@ -288,7 +288,7 @@ static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter)
while (mwifiex_pcie_ok_to_access_hw(adapter)) {
i++;
udelay(10);
usleep_range(10, 20);
/* 50ms max wait */
if (i == 50000)
break;
@ -1088,7 +1088,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
card->cmdrsp_buf->len);
while (mwifiex_pcie_ok_to_access_hw(adapter) &&
(count++ < 10))
udelay(50);
usleep_range(50, 60);
} else {
dev_err(adapter->dev, "There is no command but "
"got cmdrsp\n");
@ -1337,7 +1337,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
}
if (len)
break;
udelay(10);
usleep_range(10, 20);
}
if (!len) {

4
drivers/net/wireless/mwifiex/sdio.c
View File

@ -583,7 +583,7 @@ mwifiex_sdio_poll_card_status(struct mwifiex_adapter *adapter, u8 bits)
else if ((cs & bits) == bits)
return 0;
udelay(10);
usleep_range(10, 20);
}
dev_err(adapter->dev, "poll card status failed, tries = %d\n",
@ -761,7 +761,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
if (len)
break;
udelay(10);
usleep_range(10, 20);
}
if (!len) {