diff options
Diffstat (limited to 'drivers/input/serio/arc_ps2.c')
| -rw-r--r-- | drivers/input/serio/arc_ps2.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/input/serio/arc_ps2.c b/drivers/input/serio/arc_ps2.c index b571eb3e4ef..8024a6d7fcc 100644 --- a/drivers/input/serio/arc_ps2.c +++ b/drivers/input/serio/arc_ps2.c @@ -8,11 +8,13 @@ * Driver is originally developed by Pavel Sokolov <psokolov@synopsys.com> */ +#include <linux/err.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/input.h> #include <linux/serio.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <linux/io.h> #include <linux/kernel.h> #include <linux/slab.h> @@ -187,12 +189,6 @@ static int arc_ps2_probe(struct platform_device *pdev) int irq; int error, id, i; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no IO memory defined\n"); - return -EINVAL; - } - irq = platform_get_irq_byname(pdev, "arc_ps2_irq"); if (irq < 0) { dev_err(&pdev->dev, "no IRQ defined\n"); @@ -206,9 +202,10 @@ static int arc_ps2_probe(struct platform_device *pdev) return -ENOMEM; } - arc_ps2->addr = devm_request_and_ioremap(&pdev->dev, res); - if (!arc_ps2->addr) - return -EBUSY; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + arc_ps2->addr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(arc_ps2->addr)) + return PTR_ERR(arc_ps2->addr); dev_info(&pdev->dev, "irq = %d, address = 0x%p, ports = %i\n", irq, arc_ps2->addr, ARC_PS2_PORTS); @@ -258,10 +255,19 @@ static int arc_ps2_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id arc_ps2_match[] = { + { .compatible = "snps,arc_ps2" }, + { }, +}; +MODULE_DEVICE_TABLE(of, arc_ps2_match); +#endif + static struct platform_driver arc_ps2_driver = { .driver = { - .name = "arc_ps2", - .owner = THIS_MODULE, + .name = "arc_ps2", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(arc_ps2_match), }, .probe = arc_ps2_probe, .remove = arc_ps2_remove, |