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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-04-23 15:17:14 +1000 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-04-25 02:08:56 -0400 |
| commit | cca87c18ce3357e52facf6519f4ab0fbedd1279f (patch) | |
| tree | 1a541b71fd368cc36d5e47b5f07e2bd099f19516 | |
| parent | 815b97c6b8861f2e539c9ecb44c02b7b8ac11ca4 (diff) | |
| download | talos-op-linux-cca87c18ce3357e52facf6519f4ab0fbedd1279f.tar.gz talos-op-linux-cca87c18ce3357e52facf6519f4ab0fbedd1279f.zip | |
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>
| -rw-r--r-- | drivers/net/ibm_newemac/core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c index 490d690b5e7f..5d2108c5ac7c 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) { |
