linux-kernel - Re: [PATCH 1/2] drm/stm: ltdc: manage the get

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Date:   Fri, 26 Apr 2019 12:29:55 +0000
From:   Philippe CORNU <philippe.cornu@...com>
To:     Fabien DESSENNE <fabien.dessenne@...com>,
        Yannick FERTRE <yannick.fertre@...com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Vincent ABRIOU <vincent.abriou@...com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] drm/stm: ltdc: manage the get_irq probe defer case

Hi Fabien,
and thank you for your patch,

Acked-by: Philippe Cornu <philippe.cornu@...com>

Philippe :-)

On 4/24/19 4:03 PM, Fabien Dessenne wrote:
> Manage the -EPROBE_DEFER error case for the ltdc IRQ.
> 
> Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
> ---
>   drivers/gpu/drm/stm/ltdc.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 566b0d8..521ba83 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -1174,6 +1174,9 @@ int ltdc_load(struct drm_device *ddev)
>   
>   	for (i = 0; i < MAX_IRQ; i++) {
>   		irq = platform_get_irq(pdev, i);
> +		if (irq == -EPROBE_DEFER)
> +			goto err;
> +
>   		if (irq < 0)
>   			continue;
>   
>