Re: [PATCH v2] ALSA: ctxfi: constify rsc ops structures

From: Takashi Iwai
Date: Wed Nov 11 2015 - 02:42:15 EST


On Sun, 08 Nov 2015 23:40:41 +0100,
Julia Lawall wrote:
>
> The various rsc ops structures are never modified, so declare them as
> const.
>
> Done with the help of Coccinelle.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> ---
>
> v2: This does the following types all at once: dao_rsc_ops, dai_rsc_ops,
> amixer_rsc_ops, src_rsc_ops, srcimp_rsc_ops, rsc_ops. Most of these types
> are only used in specific files, but the rsc_ops structures appear in all
> of the files, so just do them all at once. This patch thus also replaces
> the one with the subject "ALSA: ctxfi: constify dao and dai rsc ops structures"

Thanks, applied this one.


Takashi

>
> sound/pci/ctxfi/ctamixer.c | 6 +++---
> sound/pci/ctxfi/ctamixer.h | 2 +-
> sound/pci/ctxfi/ctdaio.c | 10 +++++-----
> sound/pci/ctxfi/ctdaio.h | 4 ++--
> sound/pci/ctxfi/ctresource.c | 2 +-
> sound/pci/ctxfi/ctresource.h | 2 +-
> sound/pci/ctxfi/ctsrc.c | 6 +++---
> sound/pci/ctxfi/ctsrc.h | 4 ++--
> 8 files changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/sound/pci/ctxfi/ctamixer.c b/sound/pci/ctxfi/ctamixer.c
> index c7dc38d..5fcbb06 100644
> --- a/sound/pci/ctxfi/ctamixer.c
> +++ b/sound/pci/ctxfi/ctamixer.c
> @@ -49,7 +49,7 @@ static int amixer_output_slot(const struct rsc *rsc)
> return (amixer_index(rsc) << 4) + 0x4;
> }
>
> -static struct rsc_ops amixer_basic_rsc_ops = {
> +static const struct rsc_ops amixer_basic_rsc_ops = {
> .master = amixer_master,
> .next_conj = amixer_next_conj,
> .index = amixer_index,
> @@ -186,7 +186,7 @@ static int amixer_setup(struct amixer *amixer, struct rsc *input,
> return 0;
> }
>
> -static struct amixer_rsc_ops amixer_ops = {
> +static const struct amixer_rsc_ops amixer_ops = {
> .set_input = amixer_set_input,
> .set_invalid_squash = amixer_set_invalid_squash,
> .set_scale = amixer_set_y,
> @@ -357,7 +357,7 @@ static int sum_output_slot(const struct rsc *rsc)
> return (sum_index(rsc) << 4) + 0xc;
> }
>
> -static struct rsc_ops sum_basic_rsc_ops = {
> +static const struct rsc_ops sum_basic_rsc_ops = {
> .master = sum_master,
> .next_conj = sum_next_conj,
> .index = sum_index,
> diff --git a/sound/pci/ctxfi/ctamixer.h b/sound/pci/ctxfi/ctamixer.h
> index 72f42f2..2de18aa 100644
> --- a/sound/pci/ctxfi/ctamixer.h
> +++ b/sound/pci/ctxfi/ctamixer.h
> @@ -58,7 +58,7 @@ struct amixer {
> unsigned char idx[8];
> struct rsc *input; /* pointer to a resource acting as source */
> struct sum *sum; /* Put amixer output to this summation node */
> - struct amixer_rsc_ops *ops; /* AMixer specific operations */
> + const struct amixer_rsc_ops *ops; /* AMixer specific operations */
> };
>
> struct amixer_rsc_ops {
> diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c
> index 9b87dd2..7f089cb 100644
> --- a/sound/pci/ctxfi/ctdaio.c
> +++ b/sound/pci/ctxfi/ctdaio.c
> @@ -83,21 +83,21 @@ static int daio_in_next_conj_20k2(struct rsc *rsc)
> return rsc->conj += 0x100;
> }
>
> -static struct rsc_ops daio_out_rsc_ops = {
> +static const struct rsc_ops daio_out_rsc_ops = {
> .master = daio_master,
> .next_conj = daio_out_next_conj,
> .index = daio_index,
> .output_slot = NULL,
> };
>
> -static struct rsc_ops daio_in_rsc_ops_20k1 = {
> +static const struct rsc_ops daio_in_rsc_ops_20k1 = {
> .master = daio_master,
> .next_conj = daio_in_next_conj_20k1,
> .index = NULL,
> .output_slot = daio_index,
> };
>
> -static struct rsc_ops daio_in_rsc_ops_20k2 = {
> +static const struct rsc_ops daio_in_rsc_ops_20k2 = {
> .master = daio_master,
> .next_conj = daio_in_next_conj_20k2,
> .index = NULL,
> @@ -263,7 +263,7 @@ static int dao_clear_right_input(struct dao *dao)
> return 0;
> }
>
> -static struct dao_rsc_ops dao_ops = {
> +static const struct dao_rsc_ops dao_ops = {
> .set_spos = dao_spdif_set_spos,
> .commit_write = dao_commit_write,
> .get_spos = dao_spdif_get_spos,
> @@ -318,7 +318,7 @@ static int dai_commit_write(struct dai *dai)
> return 0;
> }
>
> -static struct dai_rsc_ops dai_ops = {
> +static const struct dai_rsc_ops dai_ops = {
> .set_srt_srcl = dai_set_srt_srcl,
> .set_srt_srcr = dai_set_srt_srcr,
> .set_srt_msr = dai_set_srt_msr,
> diff --git a/sound/pci/ctxfi/ctdaio.h b/sound/pci/ctxfi/ctdaio.h
> index 0ebbf35..a30be73 100644
> --- a/sound/pci/ctxfi/ctdaio.h
> +++ b/sound/pci/ctxfi/ctdaio.h
> @@ -51,7 +51,7 @@ struct daio {
>
> struct dao {
> struct daio daio;
> - struct dao_rsc_ops *ops; /* DAO specific operations */
> + const struct dao_rsc_ops *ops; /* DAO specific operations */
> struct imapper **imappers;
> struct daio_mgr *mgr;
> struct hw *hw;
> @@ -60,7 +60,7 @@ struct dao {
>
> struct dai {
> struct daio daio;
> - struct dai_rsc_ops *ops; /* DAI specific operations */
> + const struct dai_rsc_ops *ops; /* DAI specific operations */
> struct hw *hw;
> void *ctrl_blk;
> };
> diff --git a/sound/pci/ctxfi/ctresource.c b/sound/pci/ctxfi/ctresource.c
> index 1a97e40..c5124c3 100644
> --- a/sound/pci/ctxfi/ctresource.c
> +++ b/sound/pci/ctxfi/ctresource.c
> @@ -127,7 +127,7 @@ static int rsc_master(struct rsc *rsc)
> return rsc->conj = rsc->idx;
> }
>
> -static struct rsc_ops rsc_generic_ops = {
> +static const struct rsc_ops rsc_generic_ops = {
> .index = rsc_index,
> .output_slot = audio_ring_slot,
> .master = rsc_master,
> diff --git a/sound/pci/ctxfi/ctresource.h b/sound/pci/ctxfi/ctresource.h
> index 9b746c3..736d9f7 100644
> --- a/sound/pci/ctxfi/ctresource.h
> +++ b/sound/pci/ctxfi/ctresource.h
> @@ -39,7 +39,7 @@ struct rsc {
> u32 msr:4; /* The Master Sample Rate a resource working on */
> void *ctrl_blk; /* Chip specific control info block for a resource */
> struct hw *hw; /* Chip specific object for hardware access means */
> - struct rsc_ops *ops; /* Generic resource operations */
> + const struct rsc_ops *ops; /* Generic resource operations */
> };
>
> struct rsc_ops {
> diff --git a/sound/pci/ctxfi/ctsrc.c b/sound/pci/ctxfi/ctsrc.c
> index ec1f084..a5a72df 100644
> --- a/sound/pci/ctxfi/ctsrc.c
> +++ b/sound/pci/ctxfi/ctsrc.c
> @@ -335,7 +335,7 @@ static int src_default_config_arcrw(struct src *src)
> return 0;
> }
>
> -static struct src_rsc_ops src_rsc_ops = {
> +static const struct src_rsc_ops src_rsc_ops = {
> .set_state = src_set_state,
> .set_bm = src_set_bm,
> .set_sf = src_set_sf,
> @@ -611,7 +611,7 @@ static int srcimp_index(const struct rsc *rsc)
> return container_of(rsc, struct srcimp, rsc)->idx[rsc->conj];
> }
>
> -static struct rsc_ops srcimp_basic_rsc_ops = {
> +static const struct rsc_ops srcimp_basic_rsc_ops = {
> .master = srcimp_master,
> .next_conj = srcimp_next_conj,
> .index = srcimp_index,
> @@ -662,7 +662,7 @@ static int srcimp_unmap(struct srcimp *srcimp)
> return 0;
> }
>
> -static struct srcimp_rsc_ops srcimp_ops = {
> +static const struct srcimp_rsc_ops srcimp_ops = {
> .map = srcimp_map,
> .unmap = srcimp_unmap
> };
> diff --git a/sound/pci/ctxfi/ctsrc.h b/sound/pci/ctxfi/ctsrc.h
> index da7573c..92944a0 100644
> --- a/sound/pci/ctxfi/ctsrc.h
> +++ b/sound/pci/ctxfi/ctsrc.h
> @@ -48,7 +48,7 @@ struct src_rsc_ops;
> struct src {
> struct rsc rsc; /* Basic resource info */
> struct src *intlv; /* Pointer to next interleaved SRC in a series */
> - struct src_rsc_ops *ops; /* SRC specific operations */
> + const struct src_rsc_ops *ops; /* SRC specific operations */
> /* Number of contiguous srcs for interleaved usage */
> unsigned char multi;
> unsigned char mode; /* Working mode of this SRC resource */
> @@ -110,7 +110,7 @@ struct srcimp {
> struct imapper *imappers;
> unsigned int mapped; /* A bit-map indicating which conj rsc is mapped */
> struct srcimp_mgr *mgr;
> - struct srcimp_rsc_ops *ops;
> + const struct srcimp_rsc_ops *ops;
> };
>
> struct srcimp_rsc_ops {
>
>
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