From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Aishwarya R <aishwaryarj100@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Nicolas Ferre <nicolas.ferre@microchip.com>,
Ludovic Desroches <ludovic.desroches@microchip.com>,
Thomas Gleixner <tglx@linutronix.de>,
Allison Randal <allison@lohutok.net>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Stephen Boyd <swboyd@chromium.org>,
linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iio: adc: at91-adc: Use devm_platform_ioremap_resource
Date: Thu, 9 Apr 2020 17:59:36 +0200 [thread overview]
Message-ID: <20200409155936.GV3628@piout.net> (raw)
In-Reply-To: <20200409151125.32677-1-aishwaryarj100@gmail.com>
On 09/04/2020 20:41:23+0530, Aishwarya R wrote:
> Use the helper function that wraps the calls to
> platform_get_resource() and devm_ioremap_resource()
> together.
>
Please elaborate the actual value of doing that.
> Signed-off-by: Aishwarya R <aishwaryarj100@gmail.com>
> ---
> drivers/iio/adc/at91_adc.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
> index abe99856c823..0368b6dc6d60 100644
> --- a/drivers/iio/adc/at91_adc.c
> +++ b/drivers/iio/adc/at91_adc.c
> @@ -1152,7 +1152,6 @@ static int at91_adc_probe(struct platform_device *pdev)
> int ret;
> struct iio_dev *idev;
> struct at91_adc_state *st;
> - struct resource *res;
> u32 reg;
>
> idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state));
> @@ -1182,9 +1181,7 @@ static int at91_adc_probe(struct platform_device *pdev)
> if (st->irq < 0)
> return -ENODEV;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -
> - st->reg_base = devm_ioremap_resource(&pdev->dev, res);
> + st->reg_base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(st->reg_base))
> return PTR_ERR(st->reg_base);
>
> --
> 2.17.1
>
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2020-04-09 15:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 15:11 [PATCH] iio: adc: at91-adc: Use devm_platform_ioremap_resource Aishwarya R
2020-04-09 15:59 ` Alexandre Belloni [this message]
2020-04-10 10:55 ` Andy Shevchenko
2020-04-10 11:22 ` Alexandre Belloni
2020-04-10 16:37 ` Andy Shevchenko
2020-04-12 10:23 ` Jonathan Cameron
2020-04-10 9:43 ` Aishwarya R
2020-04-12 10:13 ` Jonathan Cameron
2020-04-12 13:56 ` Aishwarya R
2020-04-13 15:36 ` Jonathan Cameron
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