Re: [RFC PATCH 1/3] mmc: sdhci: Add platform_dumpregs callback support to sdhci_ops.

[Ritesh Harjani]

Hi Jeremy,

Thanks for the review.

On 1/14/2017 3:51 AM, Jeremy McNicoll wrote:
> On Fri, Dec 30, 2016 at 05:02:09PM +0530, Ritesh Harjani wrote:
> > From: Sahitya Tummala <stummala@xxxxxxxxxxxxxx>
> >
> > Add new host operation ->platform_dumpregs to provide a
> > mechanism through which host drivers can dump platform
> > specific registers in addition to SDHC registers
> > during error conditions.
> >
> > Signed-off-by: Sahitya Tummala <stummala@xxxxxxxxxxxxxx>
> > Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxxx>
> > ---
> >  drivers/mmc/host/sdhci.c | 3 +++
> >  drivers/mmc/host/sdhci.h | 1 +
> >  2 files changed, 4 insertions(+)
>
> This change and 2/3 look like they can be squished together into
> one patch.  At least that is how I did it,

I felt it is better this way to keep sdhci and sdhci-msm patches 
separate. This patch provides mechanism and patch 3/3 provides
implementation of ->platform_dumpregs in sdhci-msm.

Regards
Ritesh


> https://patchwork.kernel.org/patch/9442449/
>
> -jeremy
>
>
> > diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> > index 2390980..73a8918 100644
> > --- a/drivers/mmc/host/sdhci.c
> > +++ b/drivers/mmc/host/sdhci.c
> > @@ -101,6 +101,9 @@ static void sdhci_dumpregs(struct sdhci_host *host)
> >  			       readl(host->ioaddr + SDHCI_ADMA_ADDRESS));
> >  	}
> >
> > +	if (host->ops->platform_dumpregs)
> > +		host->ops->platform_dumpregs(host);
> > +
> >  	pr_err(DRIVER_NAME ": ===========================================\n");
> >  }
> >
> > diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> > index 0b66f21..400f3a1 100644
> > --- a/drivers/mmc/host/sdhci.h
> > +++ b/drivers/mmc/host/sdhci.h
> > @@ -564,6 +564,7 @@ struct sdhci_ops {
> >  					 struct mmc_card *card,
> >  					 unsigned int max_dtr, int host_drv,
> >  					 int card_drv, int *drv_type);
> > +	void	(*platform_dumpregs)(struct sdhci_host *host);
> >  };
> >
> >  #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
> > --
> > The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
> > a Linux Foundation Collaborative Project.

--
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a Linux Foundation Collaborative Project