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Subject[PATCH v2 01/45] drivers: tty: serial: 8250_bcm2835aux: use devm_platform_ioremap_resource()
Date
For the common platform_get_resource()+devm_platform_ioremap() combination,
there is a helper, so use it and make the code a bit more compact.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
drivers/tty/serial/8250/8250_bcm2835aux.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c
index bd53661..0738d14 100644
--- a/drivers/tty/serial/8250/8250_bcm2835aux.c
+++ b/drivers/tty/serial/8250/8250_bcm2835aux.c
@@ -25,7 +25,6 @@ struct bcm2835aux_data {
static int bcm2835aux_serial_probe(struct platform_device *pdev)
{
struct bcm2835aux_data *data;
- struct resource *res;
int ret;

/* allocate the custom structure */
@@ -63,15 +62,12 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
data->uart.port.irq = ret;

/* map the main registers */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "memory resource not found");
- return -EINVAL;
- }
- data->uart.port.membase = devm_ioremap_resource(&pdev->dev, res);
+ data->uart.port.membase = devm_platform_ioremap_resource(pdev, 0);
ret = PTR_ERR_OR_ZERO(data->uart.port.membase);
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "could not map memory resource");
return ret;
+ }

/* Check for a fixed line number */
ret = of_alias_get_id(pdev->dev.of_node, "serial");
--
1.9.1
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