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net/macb: add pinctrl consumer support

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If no pinctrl available just report a warning as some architecture may not
need to do anything.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
[nicolas.ferre@atmel.com: adapt the error path, remove unneeded headers]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-10-31 06:04:59 +00:00 committed by David S. Miller
parent 29bc2e1e55
commit 8ef29f8aae
1 changed files with 11 additions and 0 deletions
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11
drivers/net/ethernet/cadence/macb.c
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@ -26,6 +26,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_net.h>
#include <linux/pinctrl/consumer.h>
#include "macb.h"
@ -1472,6 +1473,7 @@ static int __init macb_probe(struct platform_device *pdev)
struct phy_device *phydev;
u32 config;
int err = -ENXIO;
struct pinctrl *pinctrl;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
@ -1479,6 +1481,15 @@ static int __init macb_probe(struct platform_device *pdev)
goto err_out;
}
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl)) {
err = PTR_ERR(pinctrl);
if (err == -EPROBE_DEFER)
goto err_out;
dev_warn(&pdev->dev, "No pinctrl provided\n");
}
err = -ENOMEM;
dev = alloc_etherdev(sizeof(*bp));
if (!dev)