Hello.
On 12/26/2012 09:42 PM, Dongjin Kim wrote:
> This patch support to get interrupt resource from device tree as well as
> platform device if ehci node is defined in device tree and it's irq is
> described.
> Signed-off-by: Dongjin Kim <tobetter@xxxxxxxxx>
> ---
> drivers/usb/host/ehci-s5p.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
> diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
> index 319dcfa..0fc5e5e 100644
> --- a/drivers/usb/host/ehci-s5p.c
> +++ b/drivers/usb/host/ehci-s5p.c
> @@ -16,6 +16,7 @@
> #include <linux/of.h>
> #include <linux/platform_device.h>
> #include <linux/of_gpio.h>
> +#include <linux/of_irq.h>
> #include <linux/platform_data/usb-ehci-s5p.h>
> #include <plat/usb-phy.h>
>
> @@ -156,7 +157,12 @@ static int s5p_ehci_probe(struct platform_device *pdev)
> goto fail_io;
> }
>
> - irq = platform_get_irq(pdev, 0);
> + if (pdev->dev.of_node)
> + irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
platform_get_irq() should still work for device tree based platform devices.
I don't see the point on the patch?
> + else {
> + irq = platform_get_irq(pdev, 0);
> + }
Hm, why {} out of the blue? Both arms of *if* are single-stratement.
> +
No need for empty line here.
> if (!irq) {
> dev_err(&pdev->dev, "Failed to get IRQ\n");
> err = -ENODEV;
WBR, Sergei
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