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path: root/drivers/i2c/busses/i2c-bcm2835.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-bcm2835.c')
-rw-r--r--drivers/i2c/busses/i2c-bcm2835.c26
1 files changed, 5 insertions, 21 deletions
diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 77df97b932af..c60719577fc3 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -219,7 +219,7 @@ static const struct i2c_algorithm bcm2835_i2c_algo = {
static int bcm2835_i2c_probe(struct platform_device *pdev)
{
struct bcm2835_i2c_dev *i2c_dev;
- struct resource *mem, *requested, *irq;
+ struct resource *mem, *irq;
u32 bus_clk_rate, divider;
int ret;
struct i2c_adapter *adap;
@@ -234,25 +234,9 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
init_completion(&i2c_dev->completion);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(&pdev->dev, "No mem resource\n");
- return -ENODEV;
- }
-
- requested = devm_request_mem_region(&pdev->dev, mem->start,
- resource_size(mem),
- dev_name(&pdev->dev));
- if (!requested) {
- dev_err(&pdev->dev, "Could not claim register region\n");
- return -EBUSY;
- }
-
- i2c_dev->regs = devm_ioremap(&pdev->dev, mem->start,
- resource_size(mem));
- if (!i2c_dev->regs) {
- dev_err(&pdev->dev, "Could not map registers\n");
- return -ENOMEM;
- }
+ i2c_dev->regs = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(i2c_dev->regs))
+ return PTR_ERR(i2c_dev->regs);
i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(i2c_dev->clk)) {
@@ -295,7 +279,7 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
adap = &i2c_dev->adapter;
i2c_set_adapdata(adap, i2c_dev);
adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_HWMON;
+ adap->class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED;
strlcpy(adap->name, "bcm2835 I2C adapter", sizeof(adap->name));
adap->algo = &bcm2835_i2c_algo;
adap->dev.parent = &pdev->dev;