Hello.
On 08/23/2013 10:53 PM, Daniel Mack wrote:
At least the AM33xx SoC has a control module register to configure
details such as the hardware ethernet interface mode.
I'm not sure whether all SoCs which feature the cpsw block have such a
register, so that third memory region is considered optional for now.
Signed-off-by: Daniel Mack <[email protected]>
---
Documentation/devicetree/bindings/net/cpsw.txt | 5 ++++-
drivers/net/ethernet/ti/cpsw.c | 5 +++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index fc3263f..4feba2f 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
[...]
@@ -1989,6 +1990,10 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_runtime_disable_ret;
}
+ /* Don't fail hard if the optional control memory region is missing */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+ priv->gmii_sel_reg = devm_ioremap_resource(&pdev->dev, res);
Hm, but why now you don't fail if devm_ioremap_resource() fails?
WBR, Sergei
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