From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
Using devm_ioremap_resource() can lead to code simplication, as we don't need
to explicitily check for error returned by platform_get_resource().
Also, no need to print an error message when devm_ioremap_resource() fails,
as the OOM code code will shout loudly on such condition.
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
---
Changes since v1:
- None
drivers/ata/pata_imx.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index 7e69797..3668e78 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -99,10 +99,6 @@ static int pata_imx_probe(struct platform_device *pdev)
struct resource *io_res;
int ret;
- io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (io_res == NULL)
- return -EINVAL;
-
irq = platform_get_irq(pdev, 0);
if (irq <= 0)
return -EINVAL;
@@ -135,10 +131,9 @@ static int pata_imx_probe(struct platform_device *pdev)
ap->pio_mask = ATA_PIO0;
ap->flags |= ATA_FLAG_SLAVE_POSS;
- priv->host_regs = devm_ioremap(&pdev->dev, io_res->start,
- resource_size(io_res));
+ io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ priv->host_regs = devm_ioremap_resource(&pdev->dev, io_res);
if (!priv->host_regs) {
- dev_err(&pdev->dev, "failed to map IO/CTL base\n");
ret = -EBUSY;
goto err;
}
--
1.8.1.2
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