UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ibm_newemac: Increase MDIO timeouts 

This patch doubles the MDIO timeouts in EMAC as there are field
cases where they are two short to communicate with some PHYs.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Benjamin Herrenschmidt 2008-04-23 15:17:14 +10:00 committed by Jeff Garzik
parent 815b97c6b8
commit cca87c18ce
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ibm_newemac/core.c
View File

@ -738,7 +738,7 @@ static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port); rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port);
/* Wait for management interface to become idle */ /* Wait for management interface to become idle */
n = 10; n = 20;
while (!emac_phy_done(dev, in_be32(&p->stacr))) { while (!emac_phy_done(dev, in_be32(&p->stacr))) {
udelay(1); udelay(1);
if (!--n) { if (!--n) {
@ -763,7 +763,7 @@ static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
out_be32(&p->stacr, r); out_be32(&p->stacr, r);
/* Wait for read to complete */ /* Wait for read to complete */
n = 100; n = 200;
while (!emac_phy_done(dev, (r = in_be32(&p->stacr)))) { while (!emac_phy_done(dev, (r = in_be32(&p->stacr)))) {
udelay(1); udelay(1);
if (!--n) { if (!--n) {
@ -810,7 +810,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port); rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port);
/* Wait for management interface to be idle */ /* Wait for management interface to be idle */
n = 10; n = 20;
while (!emac_phy_done(dev, in_be32(&p->stacr))) { while (!emac_phy_done(dev, in_be32(&p->stacr))) {
udelay(1); udelay(1);
if (!--n) { if (!--n) {
@ -836,7 +836,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
out_be32(&p->stacr, r); out_be32(&p->stacr, r);
/* Wait for write to complete */ /* Wait for write to complete */
n = 100; n = 200;
while (!emac_phy_done(dev, in_be32(&p->stacr))) { while (!emac_phy_done(dev, in_be32(&p->stacr))) {
udelay(1); udelay(1);
if (!--n) { if (!--n) {