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| author | Wang ShaoBo <bobo.shaobowang@huawei.com> | 2020-09-18 16:28:37 +0800 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-09-29 17:27:06 +0100 |
| commit | cbc4ca3525777f3934bd5684e8ec908135dcbcd4 (patch) | |
| tree | 3f82bb0c2d3147348b353cc8adfce120ac19790c /drivers/iio/adc/at91-sama5d2_adc.c | |
| parent | 4c6e3dbc6b4877c77ea329f7ae813971854c035b (diff) | |
| download | lwn-cbc4ca3525777f3934bd5684e8ec908135dcbcd4.tar.gz lwn-cbc4ca3525777f3934bd5684e8ec908135dcbcd4.zip | |
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: Wang ShaoBo <bobo.shaobowang@huawei.com>
Link: https://lore.kernel.org/r/20200918082837.32610-1-bobo.shaobowang@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc/at91-sama5d2_adc.c')
| -rw-r--r-- | drivers/iio/adc/at91-sama5d2_adc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index de9583d6cddd..ad7d9819f83c 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -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) |