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authorJan Glauber <jglauber@cavium.com>2016-03-18 09:46:27 +0100
committerWolfram Sang <wsa@the-dreams.de>2016-03-18 15:50:27 +0100
commit54108e56a8339018284c81cf8dcde66afc7e42c1 (patch)
tree49ea1368c402bf6228f3b48affbd2110f73b13f1 /drivers/i2c/busses/i2c-octeon.c
parenti2c: octeon: Cleanup i2c-octeon driver (diff)
downloadlinux-54108e56a8339018284c81cf8dcde66afc7e42c1.tar.xz
linux-54108e56a8339018284c81cf8dcde66afc7e42c1.zip
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>
Diffstat (limited to 'drivers/i2c/busses/i2c-octeon.c')
-rw-r--r--drivers/i2c/busses/i2c-octeon.c18
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c
index 9787379dbfe7..9240037e10ee 100644
--- a/drivers/i2c/busses/i2c-octeon.c
+++ b/drivers/i2c/busses/i2c-octeon.c
@@ -75,9 +75,7 @@ struct octeon_i2c {
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 @@ static int octeon_i2c_probe(struct platform_device *pdev)
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 @@ static int octeon_i2c_probe(struct platform_device *pdev)
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;