[U-Boot] [PATCH] net: ravb: Fix reset GPIO handling

Fix handling of the reset GPIO. Drop the _nodev() suffix from the gpio_request_by_name() call as there is now a proper DM capable GPIO driver. Also check if the GPIO is valid before freeing it in remove path, otherwise U-Boot will crash.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Joe Hershberger joe.hershberger@ni.com Cc: Nobuhiro Iwamatsu iwamatsu@nigauri.org --- drivers/net/ravb.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c index dc7a52534e..26d95f178f 100644 --- a/drivers/net/ravb.c +++ b/drivers/net/ravb.c @@ -492,8 +492,8 @@ static int ravb_probe(struct udevice *dev) if (ret < 0) goto err_mdio_alloc;
- gpio_request_by_name_nodev(dev_ofnode(dev), "reset-gpios", 0, - ð->reset_gpio, GPIOD_IS_OUT); + gpio_request_by_name(dev, "reset-gpios", 0, ð->reset_gpio, + GPIOD_IS_OUT);
mdiodev = mdio_alloc(); if (!mdiodev) { @@ -528,7 +528,8 @@ static int ravb_remove(struct udevice *dev) free(eth->phydev); mdio_unregister(eth->bus); mdio_free(eth->bus); - dm_gpio_free(dev, ð->reset_gpio); + if (dm_gpio_is_valid(ð->reset_gpio)) + dm_gpio_free(dev, ð->reset_gpio); unmap_physmem(eth->iobase, MAP_NOCACHE);
return 0;

On Tue, Nov 28, 2017 at 8:49 PM, Marek Vasut marek.vasut@gmail.com wrote:
Fix handling of the reset GPIO. Drop the _nodev() suffix from the gpio_request_by_name() call as there is now a proper DM capable GPIO driver. Also check if the GPIO is valid before freeing it in remove path, otherwise U-Boot will crash.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Joe Hershberger joe.hershberger@ni.com Cc: Nobuhiro Iwamatsu iwamatsu@nigauri.org
Acked-by: Joe Hershberger joe.hershberger@ni.com
participants (2)
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Joe Hershberger
-
Marek Vasut