RE: [PATCH 2/2] net: fec_ptp: Use platform_get_irq_xxx_optional() to avoid error message

From: Andy Duan
Date: Thu Oct 10 2019 - 02:55:38 EST


From: Anson Huang <Anson.Huang@xxxxxxx> Sent: Wednesday, October 9, 2019 6:16 PM
> Use platform_get_irq_byname_optional() and platform_get_irq_optional()
> instead of platform_get_irq_byname() and platform_get_irq() for optional
> IRQs to avoid below error message during probe:
>
> [ 0.795803] fec 30be0000.ethernet: IRQ pps not found
> [ 0.800787] fec 30be0000.ethernet: IRQ index 3 not found
>
> Fixes: 7723f4c5ecdb ("driver core: platform: Add an error message to
> platform_get_irq*()")
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>

Acked-by: Fugang Duan <fugang.duan@xxxxxxx>
> ---
> drivers/net/ethernet/freescale/fec_ptp.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/freescale/fec_ptp.c
> b/drivers/net/ethernet/freescale/fec_ptp.c
> index 19e2365..945643c 100644
> --- a/drivers/net/ethernet/freescale/fec_ptp.c
> +++ b/drivers/net/ethernet/freescale/fec_ptp.c
> @@ -600,9 +600,9 @@ void fec_ptp_init(struct platform_device *pdev, int
> irq_idx)
>
> INIT_DELAYED_WORK(&fep->time_keep, fec_time_keep);
>
> - irq = platform_get_irq_byname(pdev, "pps");
> + irq = platform_get_irq_byname_optional(pdev, "pps");
> if (irq < 0)
> - irq = platform_get_irq(pdev, irq_idx);
> + irq = platform_get_irq_optional(pdev, irq_idx);
> /* Failure to get an irq is not fatal,
> * only the PTP_CLOCK_PPS clock events should stop
> */
> --
> 2.7.4