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Commit a863a15b authored by Zhao, Gang's avatar Zhao, Gang Committed by Greg Kroah-Hartman
Browse files

staging: et131x: stop read when hit max delay in et131x_phy_mii_read 



stop read and return error when hit max delay time.

Signed-off-by: default avatarZhao, Gang <gamerh2o@gmail.com>
Acked-by: default avatarMark Einon <mark.einon@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ba92b225

drivers/staging/et131x/et131x.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -1388,6 +1388,7 @@ static int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 addr, 
			    mii_indicator);

			    mii_indicator);





		status = -EIO;

		status = -EIO;

		goto out;

	}

	}





	/* If we hit here we were able to read the register and we need to

	/* If we hit here we were able to read the register and we need to
@@ -1395,6 +1396,7 @@ static int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 addr, 
	 */

	 */

	*value = readl(&mac->mii_mgmt_stat) & ET_MAC_MIIMGMT_STAT_PHYCRTL_MASK;

	*value = readl(&mac->mii_mgmt_stat) & ET_MAC_MIIMGMT_STAT_PHYCRTL_MASK;





out:

	/* Stop the read operation */

	/* Stop the read operation */

	writel(0, &mac->mii_mgmt_cmd);

	writel(0, &mac->mii_mgmt_cmd);