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Re: [PATCH] mfd: rtsx: make arrays depth and cd_mask static const

Started byLee Jones <lee.jones@linaro.org>
First post2017-07-17 12:50 +0200
Last post2017-07-17 13:00 +0200
Articles 2 — 2 participants

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  Re: [PATCH] mfd: rtsx: make arrays depth and cd_mask static const Lee Jones <lee.jones@linaro.org> - 2017-07-17 12:50 +0200
    Re: [PATCH] mfd: rtsx: make arrays depth and cd_mask static const Colin Ian King <colin.king@canonical.com> - 2017-07-17 13:00 +0200

#1688888 — Re: [PATCH] mfd: rtsx: make arrays depth and cd_mask static const

FromLee Jones <lee.jones@linaro.org>
Date2017-07-17 12:50 +0200
SubjectRe: [PATCH] mfd: rtsx: make arrays depth and cd_mask static const
Message-ID<u4bLc-3Tv-9@gated-at.bofh.it>
Please start the commit subject description with an uppercase char.

> From: Colin Ian King <colin.king@canonical.com>

This is odd.  How are you sending this patch Colin?

> Don't populate the arrays depath and cd_mask on the stack but make
> them static const.  Makes the object code smaller:
> 
>    text    data     bss     dec     hex filename
>   25413    7216     448   33077    8135 drivers/mfd/rtsx_pcr.o
> 
>    text    data     bss     dec     hex filename
>   25151    7360     448   32959    80bf drivers/mfd/rtsx_pcr.o
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/mfd/rtsx_pcr.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

I'll fix the $SUBJECT line.

Applied, thanks.

> diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
> index a0ac89dfdf0f..3cf69e5c5703 100644
> --- a/drivers/mfd/rtsx_pcr.c
> +++ b/drivers/mfd/rtsx_pcr.c
> @@ -644,7 +644,7 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
>  {
>  	int err, clk;
>  	u8 n, clk_divider, mcu_cnt, div;
> -	u8 depth[] = {
> +	static const u8 depth[] = {
>  		[RTSX_SSC_DEPTH_4M] = SSC_DEPTH_4M,
>  		[RTSX_SSC_DEPTH_2M] = SSC_DEPTH_2M,
>  		[RTSX_SSC_DEPTH_1M] = SSC_DEPTH_1M,
> @@ -768,7 +768,7 @@ EXPORT_SYMBOL_GPL(rtsx_pci_card_power_off);
>  
>  int rtsx_pci_card_exclusive_check(struct rtsx_pcr *pcr, int card)
>  {
> -	unsigned int cd_mask[] = {
> +	static const unsigned int cd_mask[] = {
>  		[RTSX_SD_CARD] = SD_EXIST,
>  		[RTSX_MS_CARD] = MS_EXIST
>  	};

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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#1688920

FromColin Ian King <colin.king@canonical.com>
Date2017-07-17 13:00 +0200
Message-ID<u4bUR-3WF-1@gated-at.bofh.it>
In reply to#1688888
On 17/07/17 11:46, Lee Jones wrote:
> Please start the commit subject description with an uppercase char.
> 
>> From: Colin Ian King <colin.king@canonical.com>
> 
> This is odd.  How are you sending this patch Colin?

git send-patch. Hrm. I'll check it out for next time.

Colin

> 
>> Don't populate the arrays depath and cd_mask on the stack but make
>> them static const.  Makes the object code smaller:
>>
>>    text    data     bss     dec     hex filename
>>   25413    7216     448   33077    8135 drivers/mfd/rtsx_pcr.o
>>
>>    text    data     bss     dec     hex filename
>>   25151    7360     448   32959    80bf drivers/mfd/rtsx_pcr.o
>>
>> Signed-off-by: Colin Ian King <colin.king@canonical.com>
>> ---
>>  drivers/mfd/rtsx_pcr.c | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> I'll fix the $SUBJECT line.
> 
> Applied, thanks.
> 
>> diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
>> index a0ac89dfdf0f..3cf69e5c5703 100644
>> --- a/drivers/mfd/rtsx_pcr.c
>> +++ b/drivers/mfd/rtsx_pcr.c
>> @@ -644,7 +644,7 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
>>  {
>>  	int err, clk;
>>  	u8 n, clk_divider, mcu_cnt, div;
>> -	u8 depth[] = {
>> +	static const u8 depth[] = {
>>  		[RTSX_SSC_DEPTH_4M] = SSC_DEPTH_4M,
>>  		[RTSX_SSC_DEPTH_2M] = SSC_DEPTH_2M,
>>  		[RTSX_SSC_DEPTH_1M] = SSC_DEPTH_1M,
>> @@ -768,7 +768,7 @@ EXPORT_SYMBOL_GPL(rtsx_pci_card_power_off);
>>  
>>  int rtsx_pci_card_exclusive_check(struct rtsx_pcr *pcr, int card)
>>  {
>> -	unsigned int cd_mask[] = {
>> +	static const unsigned int cd_mask[] = {
>>  		[RTSX_SD_CARD] = SD_EXIST,
>>  		[RTSX_MS_CARD] = MS_EXIST
>>  	};
> 

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