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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
From 58f1758adcdbfd1cf556eb3cbb85b88ddcef0840 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Tue, 18 Sep 2018 11:08:51 +0100
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Subject: [PATCH] media: ov5647: Use gpiod_set_value_cansleep
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All calls to the gpio library are in contexts that can sleep,
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therefore there is no issue with having those GPIOs controlled
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by controllers which require sleeping (eg I2C GPIO expanders).
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Switch to using gpiod_set_value_cansleep instead of gpiod_set_value
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to avoid triggering the warning in gpiolib should the GPIO
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controller need to sleep.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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drivers/media/i2c/ov5647.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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--- a/drivers/media/i2c/ov5647.c
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+++ b/drivers/media/i2c/ov5647.c
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@@ -373,7 +373,7 @@ static int ov5647_sensor_power(struct v4
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dev_dbg(&client->dev, "OV5647 power on\n");
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if (ov5647->pwdn) {
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- gpiod_set_value(ov5647->pwdn, 0);
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+ gpiod_set_value_cansleep(ov5647->pwdn, 0);
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msleep(PWDN_ACTIVE_DELAY_MS);
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}
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@@ -415,7 +415,7 @@ static int ov5647_sensor_power(struct v4
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clk_disable_unprepare(ov5647->xclk);
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- gpiod_set_value(ov5647->pwdn, 1);
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+ gpiod_set_value_cansleep(ov5647->pwdn, 1);
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}
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/* Update the power count. */
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@@ -648,13 +648,13 @@ static int ov5647_probe(struct i2c_clien
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goto mutex_remove;
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if (sensor->pwdn) {
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- gpiod_set_value(sensor->pwdn, 0);
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+ gpiod_set_value_cansleep(sensor->pwdn, 0);
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msleep(PWDN_ACTIVE_DELAY_MS);
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}
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ret = ov5647_detect(sd);
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- gpiod_set_value(sensor->pwdn, 1);
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+ gpiod_set_value_cansleep(sensor->pwdn, 1);
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if (ret < 0)
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goto error;
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