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* [RFC PATCH V3 10/21] mmc: sdhci: UHS-II support, dump UHS-II registers
@ 2020-07-10 11:10 Ben Chuang
  2020-08-21 14:04 ` Adrian Hunter
  0 siblings, 1 reply; 3+ messages in thread
From: Ben Chuang @ 2020-07-10 11:10 UTC (permalink / raw)
  To: adrian.hunter, ulf.hansson
  Cc: linux-mmc, linux-kernel, ben.chuang, takahiro.akashi, greg.tu,
	Ben Chuang

From: AKASHI Takahiro <takahiro.akashi@linaro.org>

Dump UHS-II specific registers, if available, in sdhci_dumpregs()
for informative/debugging use.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
---
 drivers/mmc/host/sdhci.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 37b1158c1c0c..c2f6923d296c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -111,6 +111,30 @@ void sdhci_dumpregs(struct sdhci_host *host)
 		}
 	}
 
+	if (IS_ENABLED(CONFIG_MMC_SDHCI_UHS2) &&
+	    host->mmc && host->mmc->flags & MMC_UHS2_SUPPORT) {
+		SDHCI_DUMP("==================== UHS2 ==================\n");
+		SDHCI_DUMP("Blk Size:  0x%08x | Blk Cnt:  0x%08x\n",
+			   sdhci_readw(host, SDHCI_UHS2_BLOCK_SIZE),
+			   sdhci_readl(host, SDHCI_UHS2_BLOCK_COUNT));
+		SDHCI_DUMP("Cmd:       0x%08x | Trn mode: 0x%08x\n",
+			   sdhci_readw(host, SDHCI_UHS2_COMMAND),
+			   sdhci_readw(host, SDHCI_UHS2_TRANS_MODE));
+		SDHCI_DUMP("Int Stat:  0x%08x | Dev Sel : 0x%08x\n",
+			   sdhci_readw(host, SDHCI_UHS2_DEV_INT_STATUS),
+			   sdhci_readb(host, SDHCI_UHS2_DEV_SELECT));
+		SDHCI_DUMP("Dev Int Code:  0x%08x\n",
+			   sdhci_readb(host, SDHCI_UHS2_DEV_INT_CODE));
+		SDHCI_DUMP("Reset:     0x%08x | Timer:    0x%08x\n",
+			   sdhci_readw(host, SDHCI_UHS2_SW_RESET),
+			   sdhci_readw(host, SDHCI_UHS2_TIMER_CTRL));
+		SDHCI_DUMP("ErrInt:    0x%08x | ErrIntEn: 0x%08x\n",
+			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS),
+			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS_EN));
+		SDHCI_DUMP("ErrSigEn:  0x%08x\n",
+			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_SIG_EN));
+	}
+
 	if (host->ops->dump_vendor_regs)
 		host->ops->dump_vendor_regs(host);
 
-- 
2.27.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [RFC PATCH V3 10/21] mmc: sdhci: UHS-II support, dump UHS-II registers
  2020-07-10 11:10 [RFC PATCH V3 10/21] mmc: sdhci: UHS-II support, dump UHS-II registers Ben Chuang
@ 2020-08-21 14:04 ` Adrian Hunter
  2020-09-15  6:49   ` AKASHI Takahiro
  0 siblings, 1 reply; 3+ messages in thread
From: Adrian Hunter @ 2020-08-21 14:04 UTC (permalink / raw)
  To: Ben Chuang, ulf.hansson
  Cc: linux-mmc, linux-kernel, ben.chuang, takahiro.akashi, greg.tu

On 10/07/20 2:10 pm, Ben Chuang wrote:
> From: AKASHI Takahiro <takahiro.akashi@linaro.org>
> 
> Dump UHS-II specific registers, if available, in sdhci_dumpregs()
> for informative/debugging use.
> 
> Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
> ---
>  drivers/mmc/host/sdhci.c | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 37b1158c1c0c..c2f6923d296c 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -111,6 +111,30 @@ void sdhci_dumpregs(struct sdhci_host *host)
>  		}
>  	}
>  
> +	if (IS_ENABLED(CONFIG_MMC_SDHCI_UHS2) &&
> +	    host->mmc && host->mmc->flags & MMC_UHS2_SUPPORT) {
> +		SDHCI_DUMP("==================== UHS2 ==================\n");
> +		SDHCI_DUMP("Blk Size:  0x%08x | Blk Cnt:  0x%08x\n",
> +			   sdhci_readw(host, SDHCI_UHS2_BLOCK_SIZE),
> +			   sdhci_readl(host, SDHCI_UHS2_BLOCK_COUNT));
> +		SDHCI_DUMP("Cmd:       0x%08x | Trn mode: 0x%08x\n",
> +			   sdhci_readw(host, SDHCI_UHS2_COMMAND),
> +			   sdhci_readw(host, SDHCI_UHS2_TRANS_MODE));
> +		SDHCI_DUMP("Int Stat:  0x%08x | Dev Sel : 0x%08x\n",
> +			   sdhci_readw(host, SDHCI_UHS2_DEV_INT_STATUS),
> +			   sdhci_readb(host, SDHCI_UHS2_DEV_SELECT));
> +		SDHCI_DUMP("Dev Int Code:  0x%08x\n",
> +			   sdhci_readb(host, SDHCI_UHS2_DEV_INT_CODE));
> +		SDHCI_DUMP("Reset:     0x%08x | Timer:    0x%08x\n",
> +			   sdhci_readw(host, SDHCI_UHS2_SW_RESET),
> +			   sdhci_readw(host, SDHCI_UHS2_TIMER_CTRL));
> +		SDHCI_DUMP("ErrInt:    0x%08x | ErrIntEn: 0x%08x\n",
> +			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS),
> +			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS_EN));
> +		SDHCI_DUMP("ErrSigEn:  0x%08x\n",
> +			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_SIG_EN));
> +	}
> +

Let's make this a host op instead ie.

	if (host->ops->dump_uhs2_regs)
		host->ops->dump_uhs2_regs(host);

>  	if (host->ops->dump_vendor_regs)
>  		host->ops->dump_vendor_regs(host);
>  
> 


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [RFC PATCH V3 10/21] mmc: sdhci: UHS-II support, dump UHS-II registers
  2020-08-21 14:04 ` Adrian Hunter
@ 2020-09-15  6:49   ` AKASHI Takahiro
  0 siblings, 0 replies; 3+ messages in thread
From: AKASHI Takahiro @ 2020-09-15  6:49 UTC (permalink / raw)
  To: Adrian Hunter
  Cc: Ben Chuang, ulf.hansson, linux-mmc, linux-kernel, ben.chuang, greg.tu

On Fri, Aug 21, 2020 at 05:04:54PM +0300, Adrian Hunter wrote:
> On 10/07/20 2:10 pm, Ben Chuang wrote:
> > From: AKASHI Takahiro <takahiro.akashi@linaro.org>
> > 
> > Dump UHS-II specific registers, if available, in sdhci_dumpregs()
> > for informative/debugging use.
> > 
> > Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
> > Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
> > ---
> >  drivers/mmc/host/sdhci.c | 24 ++++++++++++++++++++++++
> >  1 file changed, 24 insertions(+)
> > 
> > diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> > index 37b1158c1c0c..c2f6923d296c 100644
> > --- a/drivers/mmc/host/sdhci.c
> > +++ b/drivers/mmc/host/sdhci.c
> > @@ -111,6 +111,30 @@ void sdhci_dumpregs(struct sdhci_host *host)
> >  		}
> >  	}
> >  
> > +	if (IS_ENABLED(CONFIG_MMC_SDHCI_UHS2) &&
> > +	    host->mmc && host->mmc->flags & MMC_UHS2_SUPPORT) {
> > +		SDHCI_DUMP("==================== UHS2 ==================\n");
> > +		SDHCI_DUMP("Blk Size:  0x%08x | Blk Cnt:  0x%08x\n",
> > +			   sdhci_readw(host, SDHCI_UHS2_BLOCK_SIZE),
> > +			   sdhci_readl(host, SDHCI_UHS2_BLOCK_COUNT));
> > +		SDHCI_DUMP("Cmd:       0x%08x | Trn mode: 0x%08x\n",
> > +			   sdhci_readw(host, SDHCI_UHS2_COMMAND),
> > +			   sdhci_readw(host, SDHCI_UHS2_TRANS_MODE));
> > +		SDHCI_DUMP("Int Stat:  0x%08x | Dev Sel : 0x%08x\n",
> > +			   sdhci_readw(host, SDHCI_UHS2_DEV_INT_STATUS),
> > +			   sdhci_readb(host, SDHCI_UHS2_DEV_SELECT));
> > +		SDHCI_DUMP("Dev Int Code:  0x%08x\n",
> > +			   sdhci_readb(host, SDHCI_UHS2_DEV_INT_CODE));
> > +		SDHCI_DUMP("Reset:     0x%08x | Timer:    0x%08x\n",
> > +			   sdhci_readw(host, SDHCI_UHS2_SW_RESET),
> > +			   sdhci_readw(host, SDHCI_UHS2_TIMER_CTRL));
> > +		SDHCI_DUMP("ErrInt:    0x%08x | ErrIntEn: 0x%08x\n",
> > +			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS),
> > +			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS_EN));
> > +		SDHCI_DUMP("ErrSigEn:  0x%08x\n",
> > +			   sdhci_readl(host, SDHCI_UHS2_ERR_INT_SIG_EN));
> > +	}
> > +
> 
> Let's make this a host op instead ie.
> 
> 	if (host->ops->dump_uhs2_regs)
> 		host->ops->dump_uhs2_regs(host);

Sure.

-Takahiro Akashi

> >  	if (host->ops->dump_vendor_regs)
> >  		host->ops->dump_vendor_regs(host);
> >  
> > 
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-09-15  6:49 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-10 11:10 [RFC PATCH V3 10/21] mmc: sdhci: UHS-II support, dump UHS-II registers Ben Chuang
2020-08-21 14:04 ` Adrian Hunter
2020-09-15  6:49   ` AKASHI Takahiro

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