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* [PATCH] mmc: Export card RCA register to sysfs.
@ 2018-02-27 11:56 Harish Jenny K N
  2018-03-06 12:48 ` Harish Jenny K N
  0 siblings, 1 reply; 3+ messages in thread
From: Harish Jenny K N @ 2018-02-27 11:56 UTC (permalink / raw)
  To: ulf.hansson, linus.walleij, adrian.hunter, shawn.lin
  Cc: linux-mmc, linux-kernel, harish_kandiga

This patch exports RCA register to sysfs which will help in
reading the disk identification information.

Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
---
 drivers/mmc/core/mmc.c | 2 ++
 drivers/mmc/core/sd.c  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 208a762..d45a244 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -792,6 +792,7 @@ static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width)
 MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
 MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
+MMC_DEV_ATTR(rca, "0x%x\n", card->rca);
 MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en);

 static ssize_t mmc_fwrev_show(struct device *dev,
@@ -848,6 +849,7 @@ static ssize_t mmc_dsr_show(struct device *dev,
 	&dev_attr_raw_rpmb_size_mult.attr,
 	&dev_attr_rel_sectors.attr,
 	&dev_attr_ocr.attr,
+	&dev_attr_rca.attr,
 	&dev_attr_dsr.attr,
 	&dev_attr_cmdq_en.attr,
 	NULL,
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 62b84dd..17d9005 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -676,6 +676,7 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
+MMC_DEV_ATTR(rca, "0x%x\n", card->rca);


 static ssize_t mmc_dsr_show(struct device *dev,
@@ -709,6 +710,7 @@ static ssize_t mmc_dsr_show(struct device *dev,
 	&dev_attr_oemid.attr,
 	&dev_attr_serial.attr,
 	&dev_attr_ocr.attr,
+	&dev_attr_rca.attr,
 	&dev_attr_dsr.attr,
 	NULL,
 };
--
1.9.1

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

* Re: [PATCH] mmc: Export card RCA register to sysfs.
  2018-02-27 11:56 [PATCH] mmc: Export card RCA register to sysfs Harish Jenny K N
@ 2018-03-06 12:48 ` Harish Jenny K N
  2018-03-06 14:45   ` Shawn Lin
  0 siblings, 1 reply; 3+ messages in thread
From: Harish Jenny K N @ 2018-03-06 12:48 UTC (permalink / raw)
  To: ulf.hansson, linus.walleij, adrian.hunter, shawn.lin
  Cc: linux-mmc, linux-kernel



On Tuesday 27 February 2018 05:26 PM, Harish Jenny K N wrote:
> This patch exports RCA register to sysfs which will help in
> reading the disk identification information.
>
> Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
> ---
>  drivers/mmc/core/mmc.c | 2 ++
>  drivers/mmc/core/sd.c  | 2 ++
>  2 files changed, 4 insertions(+)
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index 208a762..d45a244 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -792,6 +792,7 @@ static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width)
>  MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
>  MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
>  MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
> +MMC_DEV_ATTR(rca, "0x%x\n", card->rca);
>  MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en);
>
>  static ssize_t mmc_fwrev_show(struct device *dev,
> @@ -848,6 +849,7 @@ static ssize_t mmc_dsr_show(struct device *dev,
>  	&dev_attr_raw_rpmb_size_mult.attr,
>  	&dev_attr_rel_sectors.attr,
>  	&dev_attr_ocr.attr,
> +	&dev_attr_rca.attr,
>  	&dev_attr_dsr.attr,
>  	&dev_attr_cmdq_en.attr,
>  	NULL,
> diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
> index 62b84dd..17d9005 100644
> --- a/drivers/mmc/core/sd.c
> +++ b/drivers/mmc/core/sd.c
> @@ -676,6 +676,7 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
>  MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
>  MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
>  MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
> +MMC_DEV_ATTR(rca, "0x%x\n", card->rca);
>
>
>  static ssize_t mmc_dsr_show(struct device *dev,
> @@ -709,6 +710,7 @@ static ssize_t mmc_dsr_show(struct device *dev,
>  	&dev_attr_oemid.attr,
>  	&dev_attr_serial.attr,
>  	&dev_attr_ocr.attr,
> +	&dev_attr_rca.attr,
>  	&dev_attr_dsr.attr,
>  	NULL,
>  };
> --
> 1.9.1
>



Any comments/inputs on this ?


Thanks,
Harish Jenny K N

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

* Re: [PATCH] mmc: Export card RCA register to sysfs.
  2018-03-06 12:48 ` Harish Jenny K N
@ 2018-03-06 14:45   ` Shawn Lin
  0 siblings, 0 replies; 3+ messages in thread
From: Shawn Lin @ 2018-03-06 14:45 UTC (permalink / raw)
  To: Harish Jenny K N
  Cc: ulf.hansson, linus.walleij, adrian.hunter, shawn.lin, linux-mmc,
	linux-kernel

On 2018/3/6 20:48, Harish Jenny K N wrote:
> 
> 
> On Tuesday 27 February 2018 05:26 PM, Harish Jenny K N wrote:
>> This patch exports RCA register to sysfs which will help in
>> reading the disk identification information.
>>
>> Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
>> ---
>>   drivers/mmc/core/mmc.c | 2 ++
>>   drivers/mmc/core/sd.c  | 2 ++
>>   2 files changed, 4 insertions(+)
>>
>> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
>> index 208a762..d45a244 100644
>> --- a/drivers/mmc/core/mmc.c
>> +++ b/drivers/mmc/core/mmc.c
>> @@ -792,6 +792,7 @@ static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width)
>>   MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
>>   MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
>>   MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
>> +MMC_DEV_ATTR(rca, "0x%x\n", card->rca);
>>   MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en);

Just a nit that I tried to find some convention here, as RCA is a 16-bit 
register, so perhaps "0x%04x\n"? Otherwise,

Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>

>>
>>   static ssize_t mmc_fwrev_show(struct device *dev,
>> @@ -848,6 +849,7 @@ static ssize_t mmc_dsr_show(struct device *dev,
>>   	&dev_attr_raw_rpmb_size_mult.attr,
>>   	&dev_attr_rel_sectors.attr,
>>   	&dev_attr_ocr.attr,
>> +	&dev_attr_rca.attr,
>>   	&dev_attr_dsr.attr,
>>   	&dev_attr_cmdq_en.attr,
>>   	NULL,
>> diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
>> index 62b84dd..17d9005 100644
>> --- a/drivers/mmc/core/sd.c
>> +++ b/drivers/mmc/core/sd.c
>> @@ -676,6 +676,7 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
>>   MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
>>   MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
>>   MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
>> +MMC_DEV_ATTR(rca, "0x%x\n", card->rca);

Ditto.

>>
>>
>>   static ssize_t mmc_dsr_show(struct device *dev,
>> @@ -709,6 +710,7 @@ static ssize_t mmc_dsr_show(struct device *dev,
>>   	&dev_attr_oemid.attr,
>>   	&dev_attr_serial.attr,
>>   	&dev_attr_ocr.attr,
>> +	&dev_attr_rca.attr,
>>   	&dev_attr_dsr.attr,
>>   	NULL,
>>   };
>> --
>> 1.9.1
>>
> 
> 
> 
> Any comments/inputs on this ?
> 
> 
> Thanks,
> Harish Jenny K N
> 
> 
> 


-- 
Best Regards
Shawn Lin

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

end of thread, other threads:[~2018-03-06 14:46 UTC | newest]

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2018-02-27 11:56 [PATCH] mmc: Export card RCA register to sysfs Harish Jenny K N
2018-03-06 12:48 ` Harish Jenny K N
2018-03-06 14:45   ` Shawn Lin

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