[U-Boot] [PATCH] net: ravb: Fix reset GPIO handling
Marek Vasut
marek.vasut at gmail.com
Wed Nov 29 02:49:18 UTC 2017
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 at gmail.com>
Cc: Joe Hershberger <joe.hershberger at ni.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at 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;
--
2.15.0
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