[PATCH v3 3/5] staging: et131x: stop read when hit max delay in et131x_phy_mii_read

ZHAO Gang
2013-11-20T07:58:36Z

stop read and return error when hit max delay time.

Signed-off-by: ZHAO Gang <gamerh2o@gmail.com>
---
drivers/staging/et131x/et131x.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index cda037a..6254a6b 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -1392,6 +1392,7 @@ static int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 addr,
mii_indicator);

status = -EIO;
+ goto out;
}

/* If we hit here we were able to read the register and we need to
@@ -1399,6 +1400,7 @@ static int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 addr,
*/
*value = readl(&mac->mii_mgmt_stat) & ET_MAC_MIIMGMT_STAT_PHYCRTL_MASK;

+out:
/* Stop the read operation */
writel(0, &mac->mii_mgmt_cmd);

--
1.8.3.1