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authorDavid S. Miller2018-10-19 20:03:06 +0200
committerDavid S. Miller2018-10-19 20:03:06 +0200
commit2e2d6f0342be7f73a34526077fa96f42f0e8c661 (patch)
tree29f3740825a70aa606e03cf3a048d9a3a751529c /drivers/net/ethernet/freescale
parentrocker: Drop pointless static qualifier (diff)
parentRevert "bond: take rcu lock in netpoll_send_skb_on_dev" (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
net/sched/cls_api.c has overlapping changes to a call to nlmsg_parse(), one (from 'net') added rtm_tca_policy instead of NULL to the 5th argument, and another (from 'net-next') added cb->extack instead of NULL to the 6th argument. net/ipv4/ipmr_base.c is a case of a bug fix in 'net' being done to code which moved (to mr_table_dump)) in 'net-next'. Thanks to David Ahern for the heads up. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale')
-rw-r--r--drivers/net/ethernet/freescale/fec.h4
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c16
2 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 4778b663653e..bf80855dd0dd 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -452,6 +452,10 @@ struct bufdesc_ex {
* initialisation.
*/
#define FEC_QUIRK_MIB_CLEAR (1 << 15)
+/* Only i.MX25/i.MX27/i.MX28 controller supports FRBR,FRSR registers,
+ * those FIFO receive registers are resolved in other platforms.
+ */
+#define FEC_QUIRK_HAS_FRREG (1 << 16)
struct bufdesc_prop {
int qid;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index a17cc973d9a3..6db69ba30dcd 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -91,14 +91,16 @@ static struct platform_device_id fec_devtype[] = {
.driver_data = 0,
}, {
.name = "imx25-fec",
- .driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR,
+ .driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR |
+ FEC_QUIRK_HAS_FRREG,
}, {
.name = "imx27-fec",
- .driver_data = FEC_QUIRK_MIB_CLEAR,
+ .driver_data = FEC_QUIRK_MIB_CLEAR | FEC_QUIRK_HAS_FRREG,
}, {
.name = "imx28-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
- FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC,
+ FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
+ FEC_QUIRK_HAS_FRREG,
}, {
.name = "imx6q-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
@@ -2162,7 +2164,13 @@ static void fec_enet_get_regs(struct net_device *ndev,
memset(buf, 0, regs->len);
for (i = 0; i < ARRAY_SIZE(fec_enet_register_offset); i++) {
- off = fec_enet_register_offset[i] / 4;
+ off = fec_enet_register_offset[i];
+
+ if ((off == FEC_R_BOUND || off == FEC_R_FSTART) &&
+ !(fep->quirks & FEC_QUIRK_HAS_FRREG))
+ continue;
+
+ off >>= 2;
buf[off] = readl(&theregs[off]);
}
}