linux-kernel - Re: [PATCH 1/2] net: fec_main: Use platform_get_irq_byname

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Date:   Thu, 10 Oct 2019 16:08:11 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Anson Huang <Anson.Huang@....com>
Cc:     fugang.duan@....com, davem@...emloft.net,
        gregkh@...uxfoundation.org, andy.shevchenko@...il.com,
        rafael.j.wysocki@...el.com, swboyd@...omium.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Linux-imx@....com
Subject: Re: [PATCH 1/2] net: fec_main: Use
 platform_get_irq_byname_optional() to avoid error message

On Wed,  9 Oct 2019 18:15:47 +0800, Anson Huang wrote:
> Failed to get irq using name is NOT fatal as driver will use index
> to get irq instead, use platform_get_irq_byname_optional() instead
> of platform_get_irq_byname() to avoid below error message during
> probe:
> 
> [    0.819312] fec 30be0000.ethernet: IRQ int0 not found
> [    0.824433] fec 30be0000.ethernet: IRQ int1 not found
> [    0.829539] fec 30be0000.ethernet: IRQ int2 not found
> 
> Fixes: 7723f4c5ecdb ("driver core: platform: Add an error message to platform_get_irq*()")
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Hi Anson,

looks like there may be some dependency which haven't landed in the
networking tree yet?  Because this doesn't build:

drivers/net/ethernet/freescale/fec_main.c: In function ‘fec_probe’:
drivers/net/ethernet/freescale/fec_main.c:3561:9: error: implicit declaration of function ‘platform_get_irq_byname_optional’; did you mean ‘platform_get_irq_optional’? [-Werror=implicit-function-declaration]
 3561 |   irq = platform_get_irq_byname_optional(pdev, irq_name);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |         platform_get_irq_optional
cc1: some warnings being treated as errors

Could you please repost once that's resolved?  Please add Andy's and
Stephen's acks when reposting.

Thank you!