summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/freescale/fec_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 8f7eca1e7716..d7919555250d 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -100,14 +100,14 @@ static const struct fec_devinfo fec_imx27_info = {
static const struct fec_devinfo fec_imx28_info = {
.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
- FEC_QUIRK_HAS_FRREG,
+ FEC_QUIRK_HAS_FRREG | FEC_QUIRK_CLEAR_SETUP_MII,
};
static const struct fec_devinfo fec_imx6q_info = {
.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 |
- FEC_QUIRK_HAS_RACC,
+ FEC_QUIRK_HAS_RACC | FEC_QUIRK_CLEAR_SETUP_MII,
};
static const struct fec_devinfo fec_mvf600_info = {
@@ -119,7 +119,8 @@ static const struct fec_devinfo fec_imx6x_info = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
- FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE,
+ FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE |
+ FEC_QUIRK_CLEAR_SETUP_MII,
};
static const struct fec_devinfo fec_imx6ul_info = {
@@ -127,7 +128,7 @@ static const struct fec_devinfo fec_imx6ul_info = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR007885 |
FEC_QUIRK_BUG_CAPTURE | FEC_QUIRK_HAS_RACC |
- FEC_QUIRK_HAS_COALESCE,
+ FEC_QUIRK_HAS_COALESCE | FEC_QUIRK_CLEAR_SETUP_MII,
};
static struct platform_device_id fec_devtype[] = {
@@ -2134,15 +2135,17 @@ static int fec_enet_mii_init(struct platform_device *pdev)
if (suppress_preamble)
fep->phy_speed |= BIT(7);
- /* Clear MMFR to avoid to generate MII event by writing MSCR.
- * MII event generation condition:
- * - writing MSCR:
- * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero &
- * mscr_reg_data_in[7:0] != 0
- * - writing MMFR:
- * - mscr[7:0]_not_zero
- */
- writel(0, fep->hwp + FEC_MII_DATA);
+ if (fep->quirks & FEC_QUIRK_CLEAR_SETUP_MII) {
+ /* Clear MMFR to avoid to generate MII event by writing MSCR.
+ * MII event generation condition:
+ * - writing MSCR:
+ * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero &
+ * mscr_reg_data_in[7:0] != 0
+ * - writing MMFR:
+ * - mscr[7:0]_not_zero
+ */
+ writel(0, fep->hwp + FEC_MII_DATA);
+ }
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);