From f2be190c97c42d41a8975381955c1f67efdd8a0f Mon Sep 17 00:00:00 2001 From: Haibo Chen Date: Wed, 26 Oct 2022 18:10:35 +0800 Subject: [PATCH] iio: mma8452: fix probe fail when device tree compatible is used. stable inclusion from stable-v5.10.127 commit 58c3a27e9c233bcb203624ce4f4132423fe3318d category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5XDDK Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=58c3a27e9c233bcb203624ce4f4132423fe3318d -------------------------------- [ Upstream commit fe18894930a025617114aa8ca0adbf94d5bffe89 ] Correct the logic for the probe. First check of_match_table, if not meet, then check i2c_driver.id_table. If both not meet, then return fail. Fixes: a47ac019e7e8 ("iio: mma8452: Fix probe failing when an i2c_device_id is used") Signed-off-by: Haibo Chen Link: https://lore.kernel.org/r/1650876060-17577-1-git-send-email-haibo.chen@nxp.com Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin Signed-off-by: Zheng Zengkai Reviewed-by: Wei Li --- drivers/iio/accel/mma8452.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index e7e280282774..67463be797de 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1542,11 +1542,13 @@ static int mma8452_probe(struct i2c_client *client, mutex_init(&data->lock); data->chip_info = device_get_match_data(&client->dev); - if (!data->chip_info && id) { - data->chip_info = &mma_chip_info_table[id->driver_data]; - } else { - dev_err(&client->dev, "unknown device model\n"); - return -ENODEV; + if (!data->chip_info) { + if (id) { + data->chip_info = &mma_chip_info_table[id->driver_data]; + } else { + dev_err(&client->dev, "unknown device model\n"); + return -ENODEV; + } } data->vdd_reg = devm_regulator_get(&client->dev, "vdd"); -- GitLab