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-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c14
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.h1
2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 44e8c2a5a7b6..7659b4d696ed 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -569,6 +569,9 @@ static void sh_eth_set_rate_gether(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
+ if (WARN_ON(!mdp->cd->gecmr))
+ return;
+
switch (mdp->speed) {
case 10: /* 10BASE */
sh_eth_write(ndev, GECMR_10, GECMR);
@@ -663,6 +666,7 @@ static struct sh_eth_cpu_data r8a7740_data = {
.apr = 1,
.mpr = 1,
.tpauser = 1,
+ .gecmr = 1,
.bculr = 1,
.hw_swap = 1,
.rpadir = 1,
@@ -788,6 +792,7 @@ static struct sh_eth_cpu_data r8a77980_data = {
.apr = 1,
.mpr = 1,
.tpauser = 1,
+ .gecmr = 1,
.bculr = 1,
.hw_swap = 1,
.nbst = 1,
@@ -957,6 +962,9 @@ static void sh_eth_set_rate_giga(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
+ if (WARN_ON(!mdp->cd->gecmr))
+ return;
+
switch (mdp->speed) {
case 10: /* 10BASE */
sh_eth_write(ndev, 0x00000000, GECMR);
@@ -1002,6 +1010,7 @@ static struct sh_eth_cpu_data sh7757_data_giga = {
.apr = 1,
.mpr = 1,
.tpauser = 1,
+ .gecmr = 1,
.bculr = 1,
.hw_swap = 1,
.rpadir = 1,
@@ -1042,6 +1051,7 @@ static struct sh_eth_cpu_data sh7734_data = {
.apr = 1,
.mpr = 1,
.tpauser = 1,
+ .gecmr = 1,
.bculr = 1,
.hw_swap = 1,
.no_trimd = 1,
@@ -1083,6 +1093,7 @@ static struct sh_eth_cpu_data sh7763_data = {
.apr = 1,
.mpr = 1,
.tpauser = 1,
+ .gecmr = 1,
.bculr = 1,
.hw_swap = 1,
.no_trimd = 1,
@@ -2181,7 +2192,8 @@ static size_t __sh_eth_get_regs(struct net_device *ndev, u32 *buf)
if (cd->tpauser)
add_reg(TPAUSER);
add_reg(TPAUSECR);
- add_reg(GECMR);
+ if (cd->gecmr)
+ add_reg(GECMR);
if (cd->bculr)
add_reg(BCULR);
add_reg(MAHR);
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 850726301e1c..621a7d46f799 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -490,6 +490,7 @@ struct sh_eth_cpu_data {
unsigned apr:1; /* EtherC has APR */
unsigned mpr:1; /* EtherC has MPR */
unsigned tpauser:1; /* EtherC has TPAUSER */
+ unsigned gecmr:1; /* EtherC has GECMR */
unsigned bculr:1; /* EtherC has BCULR */
unsigned tsu:1; /* EtherC has TSU */
unsigned hw_swap:1; /* E-DMAC has DE bit in EDMR */