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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	linux-gpio@vger.kernel.org
Cc: "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Subject: [PATCH v1 4/4] gpio: pca953x: disable regmap locking for automatic address incrementing
Date: Fri,  5 Jun 2020 16:40:36 +0300	[thread overview]
Message-ID: <20200605134036.9013-4-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20200605134036.9013-1-andriy.shevchenko@linux.intel.com>

It's a repetition of the commit aa58a21ae378
  ("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: bcf41dc480b1 ("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>
---
 drivers/gpio/gpio-pca953x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 97c9ac31ecb5..6f409ee0b033 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -395,6 +395,7 @@ 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,
 };
-- 
2.27.0.rc2


  parent reply	other threads:[~2020-06-05 13:40 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-05 13:40 [PATCH v1 1/4] gpio: pca953x: Synchronize interrupt handler properly Andy Shevchenko
2020-06-05 13:40 ` [PATCH v1 2/4] gpio: pca953x: Override IRQ for one of the expanders on Galileo Gen 2 Andy Shevchenko
2020-06-05 13:40 ` [PATCH v1 3/4] gpio: pca953x: Fix direction setting when configure an IRQ Andy Shevchenko
2020-06-05 13:40 ` Andy Shevchenko [this message]
2020-06-15 12:20   ` [PATCH v1 4/4] gpio: pca953x: disable regmap locking for automatic address incrementing Uwe Kleine-König
2020-06-15 12:53     ` Andy Shevchenko
2020-06-15 13:20       ` Uwe Kleine-König
2020-06-15 13:38         ` Andy Shevchenko
2020-06-15 14:18           ` Uwe Kleine-König
2020-06-15 15:12             ` Andy Shevchenko
2020-06-16  9:24       ` Bartosz Golaszewski
2020-06-16 12:53         ` Andy Shevchenko

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