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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2018-11-21 12:35:17 +0300
committerSekhar Nori <nsekhar@ti.com>2018-11-26 14:15:10 +0300
commit786a9ab1330169f2602238822b4df5d5c4c98f6c (patch)
tree7ae4e8f86c10b3d103b9d095f9a465e9fdcb4cb1 /drivers/gpio/gpio-davinci.c
parentadcf60ce14c8250761af9de907eb6c7d096c26d3 (diff)
downloadlinux-786a9ab1330169f2602238822b4df5d5c4c98f6c.tar.xz
gpio: davinci: restore a way to manually specify the GPIO base
Commit 587f7a694f01 ("gpio: davinci: Use dev name for label and automatic base selection") broke the network support in legacy boot mode for da850-evm since we can no longer request the MDIO clock GPIO. Other boards may be broken too, which I haven't tested. The problem is in the fact that most board files still use the legacy GPIO API where lines are requested by numbers rather than descriptors. While this should be fixed eventually, in order to unbreak the board for now - provide a way to manually specify the GPIO base in platform data. Fixes: 587f7a694f01 ("gpio: davinci: Use dev name for label and automatic base selection") Cc: stable@vger.kernel.org Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'drivers/gpio/gpio-davinci.c')
-rw-r--r--drivers/gpio/gpio-davinci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 5c1564fcc24e..bdb29e51b417 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -258,7 +258,7 @@ static int davinci_gpio_probe(struct platform_device *pdev)
chips->chip.set = davinci_gpio_set;
chips->chip.ngpio = ngpio;
- chips->chip.base = -1;
+ chips->chip.base = pdata->no_auto_base ? pdata->base : -1;
#ifdef CONFIG_OF_GPIO
chips->chip.of_gpio_n_cells = 2;