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SubjectRe: [PATCH 16/42] drivers: gpio: janz-ttl: drop unneccessary temp variable dev
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On 11/03/2019 18:54, Enrico Weigelt, metux IT consult wrote:
> don't need the temporary variable "dev", directly use &pdev->dev
>
> Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

This is quite usual to do, and I like it as it saves typing.
Personally I would say don't bother with this change.

> ---
> drivers/gpio/gpio-janz-ttl.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpio/gpio-janz-ttl.c b/drivers/gpio/gpio-janz-ttl.c
> index b97a911..91f91f6 100644
> --- a/drivers/gpio/gpio-janz-ttl.c
> +++ b/drivers/gpio/gpio-janz-ttl.c
> @@ -144,18 +144,17 @@ static void ttl_setup_device(struct ttl_module *mod)
> static int ttl_probe(struct platform_device *pdev)
> {
> struct janz_platform_data *pdata;
> - struct device *dev = &pdev->dev;
> struct ttl_module *mod;
> struct gpio_chip *gpio;
> int ret;
>
> pdata = dev_get_platdata(&pdev->dev);
> if (!pdata) {
> - dev_err(dev, "no platform data\n");
> + dev_err(&pdev->dev, "no platform data\n");
> return -ENXIO;
> }
>
> - mod = devm_kzalloc(dev, sizeof(*mod), GFP_KERNEL);
> + mod = devm_kzalloc(&pdev->dev, sizeof(*mod), GFP_KERNEL);
> if (!mod)
> return -ENOMEM;
>
> @@ -181,9 +180,9 @@ static int ttl_probe(struct platform_device *pdev)
> gpio->base = -1;
> gpio->ngpio = 20;
>
> - ret = devm_gpiochip_add_data(dev, gpio, NULL);
> + ret = devm_gpiochip_add_data(&pdev->dev, gpio, NULL);
> if (ret) {
> - dev_err(dev, "unable to add GPIO chip\n");
> + dev_err(&pdev->dev, "unable to add GPIO chip\n");
> return ret;
> }
>
>


--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius

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