linux-kernel - Re: [PATCH] sound: Use const struct ac97

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Date:	Sun, 05 Apr 2015 08:42:18 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Joe Perches <joe@...ches.com>
Cc:	Jaroslav Kysela <perex@...ex.cz>,
	Thibaut Varene <T-Bone@...isc-linux.org>,
	Jaya Kumar <jayakumar.alsa@...il.com>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	linux-parisc@...r.kernel.org
Subject: Re: [PATCH] sound: Use const struct ac97_quirk

At Sat, 04 Apr 2015 13:38:25 -0700,
Joe Perches wrote:
> 
> Use const to reduce data by ~3Kb.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

Applied, thanks.


Takashi

> ---
>  include/sound/ac97_codec.h          | 4 +++-
>  sound/pci/ac97/ac97_codec.c         | 3 ++-
>  sound/pci/ad1889.c                  | 2 +-
>  sound/pci/atiixp.c                  | 2 +-
>  sound/pci/cs5535audio/cs5535audio.c | 2 +-
>  sound/pci/intel8x0.c                | 2 +-
>  sound/pci/via82xx.c                 | 2 +-
>  7 files changed, 10 insertions(+), 7 deletions(-)
> 
> diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
> index d315a08..0e9d75b 100644
> --- a/include/sound/ac97_codec.h
> +++ b/include/sound/ac97_codec.h
> @@ -608,7 +608,9 @@ struct ac97_quirk {
>  	int type;		/* quirk type above */
>  };
>  
> -int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override);
> +int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
> +			   const struct ac97_quirk *quirk,
> +			   const char *override);
>  int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate);
>  
>  /*
> diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
> index 5bca1a3..82259ca 100644
> --- a/sound/pci/ac97/ac97_codec.c
> +++ b/sound/pci/ac97/ac97_codec.c
> @@ -2902,7 +2902,8 @@ static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
>   * Return: Zero if successful, or a negative error code on failure.
>   */
>  
> -int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
> +int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
> +			   const struct ac97_quirk *quirk, const char *override)
>  {
>  	int result;
>  
> diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
> index 850a8c9..66ddd98 100644
> --- a/sound/pci/ad1889.c
> +++ b/sound/pci/ad1889.c
> @@ -747,7 +747,7 @@ snd_ad1889_proc_init(struct snd_ad1889 *chip)
>  		snd_info_set_text_ops(entry, chip, snd_ad1889_proc_read);
>  }
>  
> -static struct ac97_quirk ac97_quirks[] = {
> +static const struct ac97_quirk ac97_quirks[] = {
>  	{
>  		.subvendor = 0x11d4,	/* AD */
>  		.subdevice = 0x1889,	/* AD1889 */
> diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
> index d5f15c9..42a20c8 100644
> --- a/sound/pci/atiixp.c
> +++ b/sound/pci/atiixp.c
> @@ -1390,7 +1390,7 @@ static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id)
>   * ac97 mixer section
>   */
>  
> -static struct ac97_quirk ac97_quirks[] = {
> +static const struct ac97_quirk ac97_quirks[] = {
>  	{
>  		.subvendor = 0x103c,
>  		.subdevice = 0x006b,
> diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c
> index 802c33f..963b912 100644
> --- a/sound/pci/cs5535audio/cs5535audio.c
> +++ b/sound/pci/cs5535audio/cs5535audio.c
> @@ -43,7 +43,7 @@ static char *ac97_quirk;
>  module_param(ac97_quirk, charp, 0444);
>  MODULE_PARM_DESC(ac97_quirk, "AC'97 board specific workarounds.");
>  
> -static struct ac97_quirk ac97_quirks[] = {
> +static const struct ac97_quirk ac97_quirks[] = {
>  #if 0 /* Not yet confirmed if all 5536 boards are HP only */
>  	{
>  		.subvendor = PCI_VENDOR_ID_AMD, 
> diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
> index 2c5484e..749069a 100644
> --- a/sound/pci/intel8x0.c
> +++ b/sound/pci/intel8x0.c
> @@ -1795,7 +1795,7 @@ static struct ac97_pcm ac97_pcm_defs[] = {
>  	},
>  };
>  
> -static struct ac97_quirk ac97_quirks[] = {
> +static const struct ac97_quirk ac97_quirks[] = {
>          {
>  		.subvendor = 0x0e11,
>  		.subdevice = 0x000e,
> diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
> index 8622283..3dd038b 100644
> --- a/sound/pci/via82xx.c
> +++ b/sound/pci/via82xx.c
> @@ -1812,7 +1812,7 @@ static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97)
>  	chip->ac97 = NULL;
>  }
>  
> -static struct ac97_quirk ac97_quirks[] = {
> +static const struct ac97_quirk ac97_quirks[] = {
>  	{
>  		.subvendor = 0x1106,
>  		.subdevice = 0x4161,
> 
> 
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