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serial: sprd: Remove unnecessary resource validation 

The devm_ioremap_resource() will valid the resources, thus remove the
unnecessary resource validation in the driver.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baolin Wang 2018-09-17 11:33:42 -07:00 committed by Greg Kroah-Hartman
parent 2b5a997386
commit 262d3dc007
1 changed files with 2 additions and 5 deletions
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7
drivers/tty/serial/sprd_serial.c
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@ -710,15 +710,12 @@ static int sprd_probe(struct platform_device *pdev)
up->uartclk = clk_get_rate(clk); up->uartclk = clk_get_rate(clk);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "not provide mem resource\n");
return -ENODEV;
}
up->mapbase = res->start;
up->membase = devm_ioremap_resource(&pdev->dev, res); up->membase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(up->membase)) if (IS_ERR(up->membase))
return PTR_ERR(up->membase); return PTR_ERR(up->membase);
up->mapbase = res->start;
irq = platform_get_irq(pdev, 0); irq = platform_get_irq(pdev, 0);
if (irq < 0) { if (irq < 0) {
dev_err(&pdev->dev, "not provide irq resource: %d\n", irq); dev_err(&pdev->dev, "not provide irq resource: %d\n", irq);