proxmox-mirrors/mirror_ubuntu-kernels
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_ubuntu-kernels.git synced 2025-12-08 10:36:54 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

i2c: imx: Make SDA actually optional for bus recovering

Browse Source 
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>
This commit is contained in:
Alexander Stein 2023-11-30 10:57:51 +01:00 committed by Wolfram Sang
parent 13e3a512a2
commit db63eacdf6
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/i2c/busses/i2c-imx.c
View File

@ -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 ||