diff options
Diffstat (limited to 'drivers/hwmon/jz4740-hwmon.c')
| -rw-r--r-- | drivers/hwmon/jz4740-hwmon.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c index e0d66b9590a..7488e36809c 100644 --- a/drivers/hwmon/jz4740-hwmon.c +++ b/drivers/hwmon/jz4740-hwmon.c @@ -28,7 +28,6 @@ #include <linux/hwmon.h> struct jz4740_hwmon { - struct resource *mem; void __iomem *base; int irq; @@ -66,7 +65,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev, mutex_lock(&hwmon->lock); - INIT_COMPLETION(*completion); + reinit_completion(completion); enable_irq(hwmon->irq); hwmon->cell->enable(to_platform_device(dev)); @@ -106,6 +105,7 @@ static int jz4740_hwmon_probe(struct platform_device *pdev) { int ret; struct jz4740_hwmon *hwmon; + struct resource *mem; hwmon = devm_kzalloc(&pdev->dev, sizeof(*hwmon), GFP_KERNEL); if (!hwmon) @@ -120,25 +120,10 @@ static int jz4740_hwmon_probe(struct platform_device *pdev) return hwmon->irq; } - hwmon->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!hwmon->mem) { - dev_err(&pdev->dev, "Failed to get platform mmio resource\n"); - return -ENOENT; - } - - hwmon->mem = devm_request_mem_region(&pdev->dev, hwmon->mem->start, - resource_size(hwmon->mem), pdev->name); - if (!hwmon->mem) { - dev_err(&pdev->dev, "Failed to request mmio memory region\n"); - return -EBUSY; - } - - hwmon->base = devm_ioremap_nocache(&pdev->dev, hwmon->mem->start, - resource_size(hwmon->mem)); - if (!hwmon->base) { - dev_err(&pdev->dev, "Failed to ioremap mmio memory\n"); - return -EBUSY; - } + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + hwmon->base = devm_ioremap_resource(&pdev->dev, mem); + if (IS_ERR(hwmon->base)) + return PTR_ERR(hwmon->base); init_completion(&hwmon->read_completion); mutex_init(&hwmon->lock); |