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drm: encoder_slave: use new I2C API

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i2c_new_client() is deprecated, use the replacement
i2c_new_client_device(). Also, we have a helper to check if a driver is
bound. Use it to simplify the code. Note that this changes the errno for
a failed device creation from ENOMEM to ENODEV. No callers currently
interpret this errno, though, so we use this condensed error check.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200316163907.13709-3-wsa+renesas@sang-engineering.com
This commit is contained in:
Wolfram Sang 2020-03-16 17:39:07 +01:00 committed by Emil Velikov
parent 683c09e9a8
commit a519f6d03f
1 changed files with 2 additions and 8 deletions
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10
drivers/gpu/drm/drm_encoder_slave.c
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@ -61,13 +61,8 @@ int drm_i2c_encoder_init(struct drm_device *dev,
request_module("%s%s", I2C_MODULE_PREFIX, info->type);
client = i2c_new_device(adap, info);
if (!client) {
err = -ENOMEM;
goto fail;
}
if (!client->dev.driver) {
client = i2c_new_client_device(adap, info);
if (!i2c_client_has_driver(client)) {
err = -ENODEV;
goto fail_unregister;
}
@ -96,7 +91,6 @@ fail_module_put:
module_put(module);
fail_unregister:
i2c_unregister_device(client);
fail:
return err;
}
EXPORT_SYMBOL(drm_i2c_encoder_init);