[PATCH] video/fsl: Fix the sleep function for FSL DIU module
Wang Dongsheng
Dongsheng.Wang at freescale.com
Fri Aug 14 15:53:17 AEST 2015
Hi Tabi,
> -----Original Message-----
> From: Timur Tabi [mailto:timur at tabi.org]
> Sent: Tuesday, March 25, 2014 11:55 PM
> To: Wang Dongsheng-B40534
> Cc: Wood Scott-B07421; Jin Zhengxiong-R64188; Li Yang-Leo-R58472; linuxppc-
> dev at lists.ozlabs.org; linux-fbdev at vger.kernel.org
> Subject: Re: [PATCH] video/fsl: Fix the sleep function for FSL DIU module
>
> On 03/25/2014 02:56 AM, Dongsheng Wang wrote:
> > From: Jason Jin <Jason.Jin at freescale.com>
> >
> > For deep sleep, the diu module will power off, when wake up from the
> > deep sleep, the registers need to be reinitialized.
> >
> > Signed-off-by: Jason Jin <Jason.Jin at freescale.com>
> > Signed-off-by: Wang Dongsheng <dongsheng.wang at freescale.com>
> >
> > diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
> > index e8758b9..7ec780c 100644
> > --- a/drivers/video/fsl-diu-fb.c
> > +++ b/drivers/video/fsl-diu-fb.c
> > @@ -1628,9 +1628,18 @@ static int fsl_diu_suspend(struct platform_device
> *ofdev, pm_message_t state)
> > static int fsl_diu_resume(struct platform_device *ofdev)
> > {
> > struct fsl_diu_data *data;
> > + struct mfb_info *mfbi;
>
> You don't need this, if ...
>
> > + int i;
> >
> > data = dev_get_drvdata(&ofdev->dev);
> > - enable_lcdc(data->fsl_diu_info);
> > + fsl_diu_enable_interrupts(data);
> > + update_lcdc(data->fsl_diu_info);
> > +
> > + for (i = 0; i < NUM_AOIS; i++) {
> > + mfbi = &data->mfb[i];
> > + if (mfbi->count)
>
> ... you do this:
>
> if (data->mfb[i].count)
>
> Also, 'i' should be an 'unsigned int'.
>
> > + fsl_diu_enable_panel(&data->fsl_diu_info[i]);
> > + }
> >
> > return 0;
> > }
> >
>
> Other than that, this seems okay.
>
Thanks, send v2 to update this patch.
Regards,
-Dongsheng
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