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phy:icplus:fix Auto Power Saving in ip101a_config_init. 

This patch fixes Auto Power Saving configuration in ip101a_config_init
which was broken as there is no phy register write followed after
setting IP101A_APS_ON flag.

This patch also fixes the return value of ip101a_config_init.

Without this patch ip101a_config_init returns 2 which is not an error
accroding to IS_ERR and the mac driver will continue accessing 2 as
valid pointer to phy_dev resulting in memory fault.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Srinivas Kandagatla 2012-04-02 00:02:09 +00:00 committed by David S. Miller
parent 6fc8cc3fd1
commit b3300146aa
1 changed files with 2 additions and 1 deletions
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3
drivers/net/phy/icplus.c
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@ -162,7 +162,8 @@ static int ip101a_g_config_init(struct phy_device *phydev)
/* Enable Auto Power Saving mode */
c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
c |= IP101A_G_APS_ON;
return c;
return phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
}
static int ip175c_read_status(struct phy_device *phydev)