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Message-Id: <005eaf8c2094581025eb5273e2c669a676b12d08.1680543810.git.william.gray@linaro.org>
Date: Mon, 3 Apr 2023 13:53:14 -0400
From: William Breathitt Gray <william.gray@...aro.org>
To: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
William Breathitt Gray <william.gray@...aro.org>
Subject: [PATCH 2/2] gpio: 104-idi-48: Enable use_raw_spinlock for idi48_regmap_config
The idi48 regmap can be used in an interrupt context by regmap-irq. To
prevent a deadlock, enable use_raw_spinlock for idi48_regmap_config.
Fixes: e28432a77365 ("gpio: 104-idi-48: Migrate to the regmap-irq API")
Signed-off-by: William Breathitt Gray <william.gray@...aro.org>
---
drivers/gpio/gpio-104-idi-48.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c
index ca2175b84e24..ba73ee9c0c29 100644
--- a/drivers/gpio/gpio-104-idi-48.c
+++ b/drivers/gpio/gpio-104-idi-48.c
@@ -81,6 +81,7 @@ static const struct regmap_config idi48_regmap_config = {
.wr_table = &idi_48_wr_table,
.rd_table = &idi_48_rd_table,
.precious_table = &idi_48_precious_table,
+ .use_raw_spinlock = true,
};
#define IDI48_NGPIO 48
--
2.39.2
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