Re: [PATCH] USB: EHCI: Don't use NO_IRQ in xilinx ehci driver

[Alan Stern]

On Thu, 12 Jan 2012, Michal Simek wrote:

> Drivers shouldn't use NO_IRQ. This driver is used
> by Microblaze and PPC. PPC defines NO_IRQ as 0
> and Microblaze has removed it.
> 
> Signed-off-by: Michal Simek <monstr@xxxxxxxxx>
> CC: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> CC: Greg Kroah-Hartman <gregkh@xxxxxxx>
> CC: Grant Likely <grant.likely@xxxxxxxxxxxx>
> CC: linux-usb@xxxxxxxxxxxxxxx
> CC: devicetree-discuss@xxxxxxxxxxxxxxxx
> ---
>  drivers/usb/host/ehci-xilinx-of.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
> index 32793ce..9c2cc46 100644
> --- a/drivers/usb/host/ehci-xilinx-of.c
> +++ b/drivers/usb/host/ehci-xilinx-of.c
> @@ -183,7 +183,7 @@ static int __devinit ehci_hcd_xilinx_of_probe(struct platform_device *op)
>  	}
>  
>  	irq = irq_of_parse_and_map(dn, 0);
> -	if (irq == NO_IRQ) {
> +	if (!irq) {
>  		printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__);
>  		rv = -EBUSY;
>  		goto err_irq;

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

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