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gpio: pca953x: disable regmap locking for automatic address incrementing 

commit ec3decd213 upstream.

It's a repetition of the commit aa58a21ae3
  ("gpio: pca953x: disable regmap locking")
which states the following:

  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.

Fixes: bcf41dc480 ("gpio: pca953x: fix handling of automatic address incrementing")
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Andy Shevchenko 2020-06-05 16:40:36 +03:00 committed by Greg Kroah-Hartman
parent 411c802675
commit e6c19fa5b6
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpio-pca953x.c
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@ -398,6 +398,7 @@ static const struct regmap_config pca953x_ai_i2c_regmap = {
.writeable_reg = pca953x_writeable_register,
.volatile_reg = pca953x_volatile_register,
.disable_locking = true,
.cache_type = REGCACHE_RBTREE,
.max_register = 0x7f,
};