Both snd_vx_hardware and snd_vx_ops are only referred without modification, hence they can be constified gracefully for further optimizations.
There should be no functional changes by this patch.
Signed-off-by: Takashi Iwai tiwai@suse.de --- include/sound/vx_core.h | 9 +++++---- sound/drivers/vx/vx_core.c | 5 +++-- sound/pci/vx222/vx222.c | 12 ++++++------ sound/pci/vx222/vx222.h | 4 ++-- sound/pci/vx222/vx222_ops.c | 4 ++-- sound/pcmcia/vx/vxp_ops.c | 2 +- sound/pcmcia/vx/vxpocket.c | 4 ++-- sound/pcmcia/vx/vxpocket.h | 2 +- 8 files changed, 22 insertions(+), 20 deletions(-)
diff --git a/include/sound/vx_core.h b/include/sound/vx_core.h index 84569ddf85e1..1ddd3036bdfc 100644 --- a/include/sound/vx_core.h +++ b/include/sound/vx_core.h @@ -147,8 +147,8 @@ struct vx_core { /* ports are defined externally */
/* low-level functions */ - struct snd_vx_hardware *hw; - struct snd_vx_ops *ops; + const struct snd_vx_hardware *hw; + const struct snd_vx_ops *ops;
struct mutex lock;
@@ -193,8 +193,9 @@ struct vx_core { /* * constructor */ -struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw, - struct snd_vx_ops *ops, int extra_size); +struct vx_core *snd_vx_create(struct snd_card *card, + const struct snd_vx_hardware *hw, + const struct snd_vx_ops *ops, int extra_size); int snd_vx_setup_firmware(struct vx_core *chip); int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp); int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp); diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c index 6bbc2a4f85c1..dd35de3f2434 100644 --- a/sound/drivers/vx/vx_core.c +++ b/sound/drivers/vx/vx_core.c @@ -765,8 +765,9 @@ EXPORT_SYMBOL(snd_vx_resume); * * return the instance pointer if successful, NULL in error. */ -struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw, - struct snd_vx_ops *ops, +struct vx_core *snd_vx_create(struct snd_card *card, + const struct snd_vx_hardware *hw, + const struct snd_vx_ops *ops, int extra_size) { struct vx_core *chip; diff --git a/sound/pci/vx222/vx222.c b/sound/pci/vx222/vx222.c index b278c72797d5..f7800ed1b67e 100644 --- a/sound/pci/vx222/vx222.c +++ b/sound/pci/vx222/vx222.c @@ -62,7 +62,7 @@ MODULE_DEVICE_TABLE(pci, snd_vx222_ids); static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); static const DECLARE_TLV_DB_SCALE(db_scale_akm, -7350, 50, 0);
-static struct snd_vx_hardware vx222_old_hw = { +static const struct snd_vx_hardware vx222_old_hw = {
.name = "VX222/Old", .type = VX_TYPE_BOARD, @@ -74,7 +74,7 @@ static struct snd_vx_hardware vx222_old_hw = { .output_level_db_scale = db_scale_old_vol, };
-static struct snd_vx_hardware vx222_v2_hw = { +static const struct snd_vx_hardware vx222_v2_hw = {
.name = "VX222/v2", .type = VX_TYPE_V2, @@ -86,7 +86,7 @@ static struct snd_vx_hardware vx222_v2_hw = { .output_level_db_scale = db_scale_akm, };
-static struct snd_vx_hardware vx222_mic_hw = { +static const struct snd_vx_hardware vx222_mic_hw = {
.name = "VX222/Mic", .type = VX_TYPE_MIC, @@ -122,7 +122,7 @@ static int snd_vx222_dev_free(struct snd_device *device)
static int snd_vx222_create(struct snd_card *card, struct pci_dev *pci, - struct snd_vx_hardware *hw, + const struct snd_vx_hardware *hw, struct snd_vx222 **rchip) { struct vx_core *chip; @@ -131,7 +131,7 @@ static int snd_vx222_create(struct snd_card *card, struct pci_dev *pci, static const struct snd_device_ops ops = { .dev_free = snd_vx222_dev_free, }; - struct snd_vx_ops *vx_ops; + const struct snd_vx_ops *vx_ops;
/* enable PCI device */ if ((err = pci_enable_device(pci)) < 0) @@ -180,7 +180,7 @@ static int snd_vx222_probe(struct pci_dev *pci, { static int dev; struct snd_card *card; - struct snd_vx_hardware *hw; + const struct snd_vx_hardware *hw; struct snd_vx222 *vx; int err;
diff --git a/sound/pci/vx222/vx222.h b/sound/pci/vx222/vx222.h index d27af637125c..46ddc6858a61 100644 --- a/sound/pci/vx222/vx222.h +++ b/sound/pci/vx222/vx222.h @@ -31,8 +31,8 @@ struct snd_vx222 { /* we use a lookup table with 148 values, see vx_mixer.c */ #define VX2_AKM_LEVEL_MAX 0x93
-extern struct snd_vx_ops vx222_ops; -extern struct snd_vx_ops vx222_old_ops; +extern const struct snd_vx_ops vx222_ops; +extern const struct snd_vx_ops vx222_old_ops;
/* Offset of registers with base equal to portDSP. */ #define VX_RESET_DMA_REGISTER_OFFSET 0x00000008 diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c index c145951e2fc6..6245240d8768 100644 --- a/sound/pci/vx222/vx222_ops.c +++ b/sound/pci/vx222/vx222_ops.c @@ -984,7 +984,7 @@ static int vx2_add_mic_controls(struct vx_core *_chip) /* * callbacks */ -struct snd_vx_ops vx222_ops = { +const struct snd_vx_ops vx222_ops = { .in8 = vx2_inb, .in32 = vx2_inl, .out8 = vx2_outb, @@ -1004,7 +1004,7 @@ struct snd_vx_ops vx222_ops = { };
/* for old VX222 board */ -struct snd_vx_ops vx222_old_ops = { +const struct snd_vx_ops vx222_old_ops = { .in8 = vx2_inb, .in32 = vx2_inl, .out8 = vx2_outb, diff --git a/sound/pcmcia/vx/vxp_ops.c b/sound/pcmcia/vx/vxp_ops.c index 447c6342eec8..f7cf707d315f 100644 --- a/sound/pcmcia/vx/vxp_ops.c +++ b/sound/pcmcia/vx/vxp_ops.c @@ -581,7 +581,7 @@ static void vxp_reset_board(struct vx_core *_chip, int cold_reset) * callbacks */ /* exported */ -struct snd_vx_ops snd_vxpocket_ops = { +const struct snd_vx_ops snd_vxpocket_ops = { .in8 = vxp_inb, .out8 = vxp_outb, .test_and_ack = vxp_test_and_ack, diff --git a/sound/pcmcia/vx/vxpocket.c b/sound/pcmcia/vx/vxpocket.c index cad603ca0d93..afd30a90c807 100644 --- a/sound/pcmcia/vx/vxpocket.c +++ b/sound/pcmcia/vx/vxpocket.c @@ -82,7 +82,7 @@ static int snd_vxpocket_dev_free(struct snd_device *device)
static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
-static struct snd_vx_hardware vxpocket_hw = { +static const struct snd_vx_hardware vxpocket_hw = { .name = "VXPocket", .type = VX_TYPE_VXPOCKET,
@@ -104,7 +104,7 @@ static struct snd_vx_hardware vxpocket_hw = { * UER, but only for the first two inputs and outputs. */
-static struct snd_vx_hardware vxp440_hw = { +static const struct snd_vx_hardware vxp440_hw = { .name = "VXPocket440", .type = VX_TYPE_VXP440,
diff --git a/sound/pcmcia/vx/vxpocket.h b/sound/pcmcia/vx/vxpocket.h index 6dbd9f6bd2ff..bce616cc3aca 100644 --- a/sound/pcmcia/vx/vxpocket.h +++ b/sound/pcmcia/vx/vxpocket.h @@ -32,7 +32,7 @@ struct snd_vxpocket {
#define to_vxpocket(x) container_of(x, struct snd_vxpocket, core)
-extern struct snd_vx_ops snd_vxpocket_ops; +extern const struct snd_vx_ops snd_vxpocket_ops;
void vx_set_mic_boost(struct vx_core *chip, int boost); void vx_set_mic_level(struct vx_core *chip, int level);