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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-09-26 12:06:23 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-09-27 14:13:54 +0300
commit3a7fd473bd5d430c8045830e9a09e8dc35bcca6b (patch)
tree8558a5dea7d4a8f929a2958615eb9e8b23f8f772 /drivers/gpio/gpiolib-of.c
parent16fdcec8080cc85df05ab97cb330eb96f3f2cd84 (diff)
downloadlinux-3a7fd473bd5d430c8045830e9a09e8dc35bcca6b.tar.xz
mtd: rawnand: ingenic: move the GPIO quirk to gpiolib-of.c
We have a special place for OF polarity quirks in gpiolib-of.c. Let's move this over there so that it doesn't pollute the driver. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Andy Shevchenko <andy@kernel.org>
Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
-rw-r--r--drivers/gpio/gpiolib-of.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 5515f32cf19b..58c0bbe9d569 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -192,6 +192,15 @@ static void of_gpio_try_fixup_polarity(const struct device_node *np,
*/
{ "himax,hx8357", "gpios-reset", false },
{ "himax,hx8369", "gpios-reset", false },
+ /*
+ * The rb-gpios semantics was undocumented and qi,lb60 (along with
+ * the ingenic driver) got it wrong. The active state encodes the
+ * NAND ready state, which is high level. Since there's no signal
+ * inverter on this board, it should be active-high. Let's fix that
+ * here for older DTs so we can re-use the generic nand_gpio_waitrdy()
+ * helper, and be consistent with what other drivers do.
+ */
+ { "qi,lb60", "rb-gpios", true },
#endif
};
unsigned int i;