diff options
Diffstat (limited to 'drivers/misc/atmel-ssc.c')
| -rw-r--r-- | drivers/misc/atmel-ssc.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index 158da5a81a66..c09c28f92055 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/of.h> +#include <linux/pinctrl/consumer.h> /* Serialize access to ssc_list and user count */ static DEFINE_SPINLOCK(user_lock); @@ -131,6 +132,13 @@ static int ssc_probe(struct platform_device *pdev) struct resource *regs; struct ssc_device *ssc; const struct atmel_ssc_platform_data *plat_dat; + struct pinctrl *pinctrl; + + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) { + dev_err(&pdev->dev, "Failed to request pinctrl\n"); + return PTR_ERR(pinctrl); + } ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL); if (!ssc) { @@ -151,11 +159,9 @@ static int ssc_probe(struct platform_device *pdev) return -ENXIO; } - ssc->regs = devm_request_and_ioremap(&pdev->dev, regs); - if (!ssc->regs) { - dev_dbg(&pdev->dev, "ioremap failed\n"); - return -EINVAL; - } + ssc->regs = devm_ioremap_resource(&pdev->dev, regs); + if (IS_ERR(ssc->regs)) + return PTR_ERR(ssc->regs); ssc->phybase = regs->start; @@ -167,7 +173,7 @@ static int ssc_probe(struct platform_device *pdev) /* disable all interrupts */ clk_enable(ssc->clk); - ssc_writel(ssc->regs, IDR, ~0UL); + ssc_writel(ssc->regs, IDR, -1); ssc_readl(ssc->regs, SR); clk_disable(ssc->clk); |