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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-04-23 15:17:14 +1000
committerJeff Garzik <jgarzik@redhat.com>2008-04-25 02:08:56 -0400
commitcca87c18ce3357e52facf6519f4ab0fbedd1279f (patch)
tree1a541b71fd368cc36d5e47b5f07e2bd099f19516 /drivers/net/ibm_newemac
parent815b97c6b8861f2e539c9ecb44c02b7b8ac11ca4 (diff)
downloadop-kernel-dev-cca87c18ce3357e52facf6519f4ab0fbedd1279f.zip
op-kernel-dev-cca87c18ce3357e52facf6519f4ab0fbedd1279f.tar.gz
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>
Diffstat (limited to 'drivers/net/ibm_newemac')
-rw-r--r--drivers/net/ibm_newemac/core.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 490d690..5d2108c 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -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);
/* Wait for management interface to become idle */
- n = 10;
+ n = 20;
while (!emac_phy_done(dev, in_be32(&p->stacr))) {
udelay(1);
if (!--n) {
@@ -763,7 +763,7 @@ static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
out_be32(&p->stacr, r);
/* Wait for read to complete */
- n = 100;
+ n = 200;
while (!emac_phy_done(dev, (r = in_be32(&p->stacr)))) {
udelay(1);
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);
/* Wait for management interface to be idle */
- n = 10;
+ n = 20;
while (!emac_phy_done(dev, in_be32(&p->stacr))) {
udelay(1);
if (!--n) {
@@ -836,7 +836,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
out_be32(&p->stacr, r);
/* Wait for write to complete */
- n = 100;
+ n = 200;
while (!emac_phy_done(dev, in_be32(&p->stacr))) {
udelay(1);
if (!--n) {
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