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path: root/drivers/net/ucc_geth.c
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Diffstat (limited to 'drivers/net/ucc_geth.c')
-rw-r--r--drivers/net/ucc_geth.c55
1 files changed, 51 insertions, 4 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 7f689907ac28..0f7626856a6b 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3822,6 +3822,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
int err, ucc_num, max_speed = 0;
const phandle *ph;
const unsigned int *prop;
+ const char *sprop;
const void *mac_addr;
phy_interface_t phy_interface;
static const int enet_to_speed[] = {
@@ -3854,10 +3855,56 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
ug_info->uf_info.ucc_num = ucc_num;
- prop = of_get_property(np, "rx-clock", NULL);
- ug_info->uf_info.rx_clock = *prop;
- prop = of_get_property(np, "tx-clock", NULL);
- ug_info->uf_info.tx_clock = *prop;
+ sprop = of_get_property(np, "rx-clock-name", NULL);
+ if (sprop) {
+ ug_info->uf_info.rx_clock = qe_clock_source(sprop);
+ if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
+ (ug_info->uf_info.rx_clock > QE_CLK24)) {
+ printk(KERN_ERR
+ "ucc_geth: invalid rx-clock-name property\n");
+ return -EINVAL;
+ }
+ } else {
+ prop = of_get_property(np, "rx-clock", NULL);
+ if (!prop) {
+ /* If both rx-clock-name and rx-clock are missing,
+ we want to tell people to use rx-clock-name. */
+ printk(KERN_ERR
+ "ucc_geth: missing rx-clock-name property\n");
+ return -EINVAL;
+ }
+ if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
+ printk(KERN_ERR
+ "ucc_geth: invalid rx-clock propperty\n");
+ return -EINVAL;
+ }
+ ug_info->uf_info.rx_clock = *prop;
+ }
+
+ sprop = of_get_property(np, "tx-clock-name", NULL);
+ if (sprop) {
+ ug_info->uf_info.tx_clock = qe_clock_source(sprop);
+ if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
+ (ug_info->uf_info.tx_clock > QE_CLK24)) {
+ printk(KERN_ERR
+ "ucc_geth: invalid tx-clock-name property\n");
+ return -EINVAL;
+ }
+ } else {
+ prop = of_get_property(np, "rx-clock", NULL);
+ if (!prop) {
+ printk(KERN_ERR
+ "ucc_geth: mising tx-clock-name property\n");
+ return -EINVAL;
+ }
+ if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
+ printk(KERN_ERR
+ "ucc_geth: invalid tx-clock property\n");
+ return -EINVAL;
+ }
+ ug_info->uf_info.tx_clock = *prop;
+ }
+
err = of_address_to_resource(np, 0, &res);
if (err)
return -EINVAL;