From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date: Tue, 7 Apr 2020 15:42:45 +0000 (+0200)
Subject: gpio: pca953x: disable regmap locking
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~2017^2~7^2~10
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=aa58a21ae37894d456a2f91a37e9fd71ad4aa27e;p=linux.git

gpio: pca953x: disable regmap locking

This driver uses its own locking but regmap silently uses a mutex for
all operations too. Add the option to disable locking to the regmap
config struct.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 6317510b0dc3..60ae18e4b5f5 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -307,6 +307,7 @@ static const struct regmap_config pca953x_i2c_regmap = {
 	.writeable_reg = pca953x_writeable_register,
 	.volatile_reg = pca953x_volatile_register,
 
+	.disable_locking = true,
 	.cache_type = REGCACHE_RBTREE,
 	/* REVISIT: should be 0x7f but some 24 bit chips use REG_ADDR_AI */
 	.max_register = 0xff,