diff options
Diffstat (limited to 'drivers/mailbox/stm32-ipcc.c')
| -rw-r--r-- | drivers/mailbox/stm32-ipcc.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/mailbox/stm32-ipcc.c b/drivers/mailbox/stm32-ipcc.c index ef966887aa15..4f63f1a14ca6 100644 --- a/drivers/mailbox/stm32-ipcc.c +++ b/drivers/mailbox/stm32-ipcc.c @@ -11,6 +11,7 @@ #include <linux/io.h> #include <linux/mailbox_controller.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_wakeirq.h> @@ -144,11 +145,11 @@ static irqreturn_t stm32_ipcc_tx_irq(int irq, void *data) static int stm32_ipcc_send_data(struct mbox_chan *link, void *data) { - unsigned int chan = (unsigned int)link->con_priv; + unsigned long chan = (unsigned long)link->con_priv; struct stm32_ipcc *ipcc = container_of(link->mbox, struct stm32_ipcc, controller); - dev_dbg(ipcc->controller.dev, "%s: chan:%d\n", __func__, chan); + dev_dbg(ipcc->controller.dev, "%s: chan:%lu\n", __func__, chan); /* set channel n occupied */ stm32_ipcc_set_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XSCR, @@ -163,7 +164,7 @@ static int stm32_ipcc_send_data(struct mbox_chan *link, void *data) static int stm32_ipcc_startup(struct mbox_chan *link) { - unsigned int chan = (unsigned int)link->con_priv; + unsigned long chan = (unsigned long)link->con_priv; struct stm32_ipcc *ipcc = container_of(link->mbox, struct stm32_ipcc, controller); int ret; @@ -183,7 +184,7 @@ static int stm32_ipcc_startup(struct mbox_chan *link) static void stm32_ipcc_shutdown(struct mbox_chan *link) { - unsigned int chan = (unsigned int)link->con_priv; + unsigned long chan = (unsigned long)link->con_priv; struct stm32_ipcc *ipcc = container_of(link->mbox, struct stm32_ipcc, controller); @@ -205,8 +206,7 @@ static int stm32_ipcc_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct stm32_ipcc *ipcc; - struct resource *res; - unsigned int i; + unsigned long i; int ret; u32 ip_ver; static const char * const irq_name[] = {"rx", "tx"}; @@ -235,8 +235,7 @@ static int stm32_ipcc_probe(struct platform_device *pdev) } /* regs */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ipcc->reg_base = devm_ioremap_resource(dev, res); + ipcc->reg_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ipcc->reg_base)) return PTR_ERR(ipcc->reg_base); @@ -257,9 +256,6 @@ static int stm32_ipcc_probe(struct platform_device *pdev) for (i = 0; i < IPCC_IRQ_NUM; i++) { ipcc->irqs[i] = platform_get_irq_byname(pdev, irq_name[i]); if (ipcc->irqs[i] < 0) { - if (ipcc->irqs[i] != -EPROBE_DEFER) - dev_err(dev, "no IRQ specified %s\n", - irq_name[i]); ret = ipcc->irqs[i]; goto err_clk; } @@ -268,7 +264,7 @@ static int stm32_ipcc_probe(struct platform_device *pdev) irq_thread[i], IRQF_ONESHOT, dev_name(dev), ipcc); if (ret) { - dev_err(dev, "failed to request irq %d (%d)\n", i, ret); + dev_err(dev, "failed to request irq %lu (%d)\n", i, ret); goto err_clk; } } @@ -335,7 +331,7 @@ err_clk: return ret; } -static int stm32_ipcc_remove(struct platform_device *pdev) +static void stm32_ipcc_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -343,8 +339,6 @@ static int stm32_ipcc_remove(struct platform_device *pdev) dev_pm_clear_wake_irq(&pdev->dev); device_set_wakeup_capable(dev, false); - - return 0; } #ifdef CONFIG_PM_SLEEP |