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| author | Maxime Ripard <mripard@kernel.org> | 2024-12-02 12:44:18 +0100 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-12-02 12:44:18 +0100 |
| commit | 3aba2eba84e0219fb66061359052be81bd883d53 (patch) | |
| tree | 36da31539acaa6c360d0b606103d90926ac04e50 /drivers/i2c/i2c-slave-testunit.c | |
| parent | 44cff6c5b0b17a78bc0b30372bcd816cf6dd282a (diff) | |
| parent | 40384c840ea1944d7c5a392e8975ed088ecf0b37 (diff) | |
| download | lwn-3aba2eba84e0219fb66061359052be81bd883d53.tar.gz lwn-3aba2eba84e0219fb66061359052be81bd883d53.zip | |
Merge drm/drm-next into drm-misc-next
Kickstart 6.14 cycle.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/i2c/i2c-slave-testunit.c')
| -rw-r--r-- | drivers/i2c/i2c-slave-testunit.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c index 9fe3150378e8..0d6fbaa48248 100644 --- a/drivers/i2c/i2c-slave-testunit.c +++ b/drivers/i2c/i2c-slave-testunit.c @@ -183,6 +183,10 @@ static void i2c_slave_testunit_work(struct work_struct *work) break; case TU_CMD_SMBUS_ALERT_REQUEST: + if (!tu->gpio) { + ret = -ENOENT; + break; + } i2c_slave_unregister(tu->client); orig_addr = tu->client->addr; tu->client->addr = 0x0c; @@ -232,6 +236,9 @@ static int i2c_slave_testunit_probe(struct i2c_client *client) INIT_DELAYED_WORK(&tu->worker, i2c_slave_testunit_work); tu->gpio = devm_gpiod_get_index_optional(&client->dev, NULL, 0, GPIOD_OUT_LOW); + if (IS_ERR(tu->gpio)) + return PTR_ERR(tu->gpio); + if (gpiod_cansleep(tu->gpio)) { dev_err(&client->dev, "GPIO access which may sleep is not allowed\n"); return -EDEADLK; |