Commit cbc4ca35 authored by Wang ShaoBo's avatar Wang ShaoBo Committed by Jonathan Cameron
Browse files

iio: adc: at91-sama5d2_adc: Use devm_platform_get_and_ioremap_resource() 



Make use of devm_platform_get_and_ioremap_resource() provided by
driver core platform instead of duplicated analogue.

Signed-off-by: default avatarWang ShaoBo <bobo.shaobowang@huawei.com>
Link: https://lore.kernel.org/r/20200918082837.32610-1-bobo.shaobowang@huawei.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 4c6e3dbc

drivers/iio/adc/at91-sama5d2_adc.c

+3 −7
Original line number Diff line number Diff line
@@ -1764,17 +1764,13 @@ static int at91_adc_probe(struct platform_device *pdev) 
	mutex_init(&st->lock);

	INIT_WORK(&st->touch_st.workq, at91_adc_workq_handler);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!res)

		return -EINVAL;

	st->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);

	if (IS_ERR(st->base))

		return PTR_ERR(st->base);



	/* if we plan to use DMA, we need the physical address of the regs */

	st->dma_st.phys_addr = res->start;



	st->base = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(st->base))

		return PTR_ERR(st->base);



	st->irq = platform_get_irq(pdev, 0);

	if (st->irq <= 0) {

		if (!st->irq)