gpio: janz-ttl: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the need of driver callback .remove. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>steinar/wifi_calib_4_9_kernel
parent
0c638759bf
commit
abeb3f4029
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@ -182,7 +182,7 @@ static int ttl_probe(struct platform_device *pdev)
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gpio->base = -1;
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gpio->base = -1;
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gpio->ngpio = 20;
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gpio->ngpio = 20;
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ret = gpiochip_add_data(gpio, NULL);
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ret = devm_gpiochip_add_data(dev, gpio, NULL);
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if (ret) {
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if (ret) {
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dev_err(dev, "unable to add GPIO chip\n");
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dev_err(dev, "unable to add GPIO chip\n");
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return ret;
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return ret;
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@ -191,21 +191,11 @@ static int ttl_probe(struct platform_device *pdev)
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return 0;
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return 0;
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}
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}
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static int ttl_remove(struct platform_device *pdev)
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{
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struct ttl_module *mod = platform_get_drvdata(pdev);
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gpiochip_remove(&mod->gpio);
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return 0;
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}
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static struct platform_driver ttl_driver = {
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static struct platform_driver ttl_driver = {
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.driver = {
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.driver = {
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.name = DRV_NAME,
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.name = DRV_NAME,
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},
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},
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.probe = ttl_probe,
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.probe = ttl_probe,
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.remove = ttl_remove,
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};
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};
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module_platform_driver(ttl_driver);
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module_platform_driver(ttl_driver);
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