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Commit e7891ba2 authored by Yogesh Ashok Powar's avatar Yogesh Ashok Powar Committed by John W. Linville
Browse files

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: default avatarYogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: default avatarBing Zhao <bzhao@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 6685d109

drivers/net/wireless/mwifiex/pcie.c

+3 −3
Original line number Diff line number Diff line
@@ -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) {

drivers/net/wireless/mwifiex/sdio.c

+2 −2
Original line number Diff line number Diff line
@@ -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) {