diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2023-11-30 10:57:51 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2024-01-18 21:10:42 +0100 |
| commit | db63eacdf61d6bbcde783f15aaafbd8e66476e9a (patch) | |
| tree | 8d1b84018a2f7594a73e6d5545ffb5e5a1e94e8c /drivers/i2c | |
| parent | i2c: smbus: Support up to 8 SPD EEPROMs (diff) | |
| download | linux-db63eacdf61d6bbcde783f15aaafbd8e66476e9a.tar.xz linux-db63eacdf61d6bbcde783f15aaafbd8e66476e9a.zip | |
i2c: imx: Make SDA actually optional for bus recovering
Both i2c_generic_scl_recovery() and the debug output indicate that SDA is
purely optional for bus recovery. But devm_gpiod_get() never returns NULL
making it mandatory. Fix this by calling devm_gpiod_get_optional instead.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-imx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 1775a79aeba2..88a053987403 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1401,7 +1401,7 @@ static int i2c_imx_init_recovery_info(struct imx_i2c_struct *i2c_imx, PINCTRL_STATE_DEFAULT); i2c_imx->pinctrl_pins_gpio = pinctrl_lookup_state(i2c_imx->pinctrl, "gpio"); - rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN); + rinfo->sda_gpiod = devm_gpiod_get_optional(&pdev->dev, "sda", GPIOD_IN); rinfo->scl_gpiod = devm_gpiod_get(&pdev->dev, "scl", GPIOD_OUT_HIGH_OPEN_DRAIN); if (PTR_ERR(rinfo->sda_gpiod) == -EPROBE_DEFER || |