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authorLen Brown <len.brown@intel.com>2011-01-13 02:06:06 +0300
committerLen Brown <len.brown@intel.com>2011-01-13 02:06:06 +0300
commit56dbed129df3fdd4caf9018b6e7599ee258a5420 (patch)
treeb902491aef3a99efe0d9d49edd0f6e414dba654f /drivers/net/sfc/qt202x_phy.c
parent2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (diff)
parentf878133bf022717b880d0e0995b8f91436fd605c (diff)
downloadlinux-56dbed129df3fdd4caf9018b6e7599ee258a5420.tar.xz
Merge branch 'linus' into idle-test
Diffstat (limited to 'drivers/net/sfc/qt202x_phy.c')
-rw-r--r--drivers/net/sfc/qt202x_phy.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 68813d1d85f3..ea3ae0089315 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -41,6 +41,8 @@
#define PCS_UC_STATUS_LBN 0
#define PCS_UC_STATUS_WIDTH 8
#define PCS_UC_STATUS_FW_SAVE 0x20
+#define PMA_PMD_MODE_REG 0xc301
+#define PMA_PMD_RXIN_SEL_LBN 6
#define PMA_PMD_FTX_CTRL2_REG 0xc309
#define PMA_PMD_FTX_STATIC_LBN 13
#define PMA_PMD_VEND1_REG 0xc001
@@ -282,6 +284,10 @@ static int qt2025c_select_phy_mode(struct efx_nic *efx)
* slow) reload of the firmware image (the microcontroller's code
* memory is not affected by the microcontroller reset). */
efx_mdio_write(efx, 1, 0xc317, 0x00ff);
+ /* PMA/PMD loopback sets RXIN to inverse polarity and the firmware
+ * restart doesn't reset it. We need to do that ourselves. */
+ efx_mdio_set_flag(efx, 1, PMA_PMD_MODE_REG,
+ 1 << PMA_PMD_RXIN_SEL_LBN, false);
efx_mdio_write(efx, 1, 0xc300, 0x0002);
msleep(20);