[U-Boot] [PATCH 1/2] net: gem: Check if phy was correctly detected
As tsec and fm drivers checking phydev->link ensure that u-boot don't try access device if link is not ready.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/net/zynq_gem.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 6a017a8..381bca4 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -339,6 +339,11 @@ static int zynq_gem_init(struct eth_device *dev, bd_t * bis) phy_config(phydev); phy_startup(phydev);
+ if (!phydev->link) { + printf("%s: No link.\n", phydev->dev->name); + return -1; + } + switch (phydev->speed) { case SPEED_1000: writel(ZYNQ_GEM_NWCFG_INIT | ZYNQ_GEM_NWCFG_SPEED1000, -- 1.8.2.3
As tsec and fm drivers checking phydev->link ensure that u-boot don't try access device if link is not ready.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/net/xilinx_axi_emac.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c index bb5044b..262b67b 100644 --- a/drivers/net/xilinx_axi_emac.c +++ b/drivers/net/xilinx_axi_emac.c @@ -261,6 +261,10 @@ static int setup_phy(struct eth_device *dev) phydev->dev->name); return 0; } + if (!phydev->link) { + printf("%s: No link.\n", phydev->dev->name); + return 0; + }
switch (phydev->speed) { case 1000: -- 1.8.2.3
participants (1)
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Michal Simek