linux-kernel - Re: [PATCH 5/5] imx-drm: ipu-dp: Adjust the maximum number of flows

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Message-ID: <20130628073013.GJ27010@pengutronix.de>
Date:	Fri, 28 Jun 2013 09:30:13 +0200
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Fabio Estevam <festevam@...il.com>
Cc:	gregkh@...uxfoundation.org, shawn.guo@...aro.org,
	kernel@...gutronix.de, linux-kernel@...r.kernel.org,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: Re: [PATCH 5/5] imx-drm: ipu-dp: Adjust the maximum number of flows

On Fri, Jun 28, 2013 at 12:32:05AM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@...escale.com>
> 
> Later in ipu_dp_get() the index of the flow array is calculated by:
> flow >> 1
> 
> So adjust its maximum to IPUV3_NUM_FLOWS << 1.
Maybe squash this into patch 4?

Uwe
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
> ---
>  drivers/staging/imx-drm/ipu-v3/ipu-dp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
> index 3bdff6af..ae2c199 100644
> --- a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
> +++ b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
> @@ -282,7 +282,7 @@ struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow)
>  	struct ipu_dp_priv *priv = ipu->dp_priv;
>  	struct ipu_dp *dp;
>  
> -	if (flow > 5)
> +	if (flow > IPUV3_NUM_FLOWS << 1)
>  		return ERR_PTR(-EINVAL);
>  
>  	if (flow & 1)
> -- 
> 1.8.1.2
> 
> 

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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