i2c: octeon: Cleanup resource allocation code
Remove resource values from struct i2c_octeon and use
devm_ioremap_resource helper.
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c
index 9787379..9240037 100644
--- a/drivers/i2c/busses/i2c-octeon.c
+++ b/drivers/i2c/busses/i2c-octeon.c
@@ -75,9 +75,7 @@
int irq;
u32 twsi_freq;
int sys_freq;
- resource_size_t twsi_phys;
void __iomem *twsi_base;
- resource_size_t regsize;
struct device *dev;
};
@@ -502,14 +500,11 @@
i2c->dev = &pdev->dev;
res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- if (res_mem == NULL) {
- dev_err(i2c->dev, "found no memory resource\n");
- result = -ENXIO;
+ i2c->twsi_base = devm_ioremap_resource(&pdev->dev, res_mem);
+ if (IS_ERR(i2c->twsi_base)) {
+ result = PTR_ERR(i2c->twsi_base);
goto out;
}
- i2c->twsi_phys = res_mem->start;
- i2c->regsize = resource_size(res_mem);
/*
* "clock-rate" is a legacy binding, the official binding is
@@ -526,13 +521,6 @@
i2c->sys_freq = octeon_get_io_clock_rate();
- if (!devm_request_mem_region(&pdev->dev, i2c->twsi_phys, i2c->regsize,
- res_mem->name)) {
- dev_err(i2c->dev, "request_mem_region failed\n");
- goto out;
- }
- i2c->twsi_base = devm_ioremap(&pdev->dev, i2c->twsi_phys, i2c->regsize);
-
init_waitqueue_head(&i2c->queue);
i2c->irq = irq;