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Date: Tue, 07 Sep 2010 08:10:37 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Joe Perches <joe@...ches.com>
Cc: Jiri Kosina <trivial@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/13] sound: Remove unnecessary casts of private_data
At Sat, 4 Sep 2010 18:52:54 -0700,
Joe Perches wrote:
>
> Signed-off-by: Joe Perches <joe@...ches.com>
Applied now. Thanks.
Takashi
> ---
> sound/core/oss/mixer_oss.c | 22 +++++++++++-----------
> sound/core/pcm.c | 3 +--
> sound/drivers/virmidi.c | 2 +-
> sound/i2c/other/ak4xxx-adda.c | 2 +-
> sound/isa/ad1816a/ad1816a.c | 2 +-
> sound/isa/azt2320.c | 2 +-
> sound/isa/gus/gusmax.c | 4 ++--
> sound/isa/sb/sb8.c | 2 +-
> sound/oss/au1550_ac97.c | 18 +++++++++---------
> sound/pci/emu10k1/emumpu401.c | 2 +-
> sound/pci/ice1712/pontis.c | 6 +++---
> sound/pci/ice1712/prodigy192.c | 2 +-
> sound/pci/rme96.c | 8 ++++----
> sound/pci/rme9652/hdsp.c | 8 ++++----
> 14 files changed, 41 insertions(+), 42 deletions(-)
>
> diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
> index f50ebf2..86afb13 100644
> --- a/sound/core/oss/mixer_oss.c
> +++ b/sound/core/oss/mixer_oss.c
> @@ -77,7 +77,7 @@ static int snd_mixer_oss_release(struct inode *inode, struct file *file)
> struct snd_mixer_oss_file *fmixer;
>
> if (file->private_data) {
> - fmixer = (struct snd_mixer_oss_file *) file->private_data;
> + fmixer = file->private_data;
> module_put(fmixer->card->module);
> snd_card_file_remove(fmixer->card, file);
> kfree(fmixer);
> @@ -368,7 +368,7 @@ static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int
>
> static long snd_mixer_oss_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
> {
> - return snd_mixer_oss_ioctl1((struct snd_mixer_oss_file *) file->private_data, cmd, arg);
> + return snd_mixer_oss_ioctl1(file->private_data, cmd, arg);
> }
>
> int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg)
> @@ -582,7 +582,7 @@ static int snd_mixer_oss_get_volume1(struct snd_mixer_oss_file *fmixer,
> struct snd_mixer_oss_slot *pslot,
> int *left, int *right)
> {
> - struct slot *slot = (struct slot *)pslot->private_data;
> + struct slot *slot = pslot->private_data;
>
> *left = *right = 100;
> if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
> @@ -691,7 +691,7 @@ static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer,
> struct snd_mixer_oss_slot *pslot,
> int left, int right)
> {
> - struct slot *slot = (struct slot *)pslot->private_data;
> + struct slot *slot = pslot->private_data;
>
> if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
> snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PVOLUME], left, right);
> @@ -740,7 +740,7 @@ static int snd_mixer_oss_get_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
> struct snd_mixer_oss_slot *pslot,
> int *active)
> {
> - struct slot *slot = (struct slot *)pslot->private_data;
> + struct slot *slot = pslot->private_data;
> int left, right;
>
> left = right = 1;
> @@ -753,7 +753,7 @@ static int snd_mixer_oss_get_recsrc1_route(struct snd_mixer_oss_file *fmixer,
> struct snd_mixer_oss_slot *pslot,
> int *active)
> {
> - struct slot *slot = (struct slot *)pslot->private_data;
> + struct slot *slot = pslot->private_data;
> int left, right;
>
> left = right = 1;
> @@ -766,7 +766,7 @@ static int snd_mixer_oss_put_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
> struct snd_mixer_oss_slot *pslot,
> int active)
> {
> - struct slot *slot = (struct slot *)pslot->private_data;
> + struct slot *slot = pslot->private_data;
>
> snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], active, active, 0);
> return 0;
> @@ -776,7 +776,7 @@ static int snd_mixer_oss_put_recsrc1_route(struct snd_mixer_oss_file *fmixer,
> struct snd_mixer_oss_slot *pslot,
> int active)
> {
> - struct slot *slot = (struct slot *)pslot->private_data;
> + struct slot *slot = pslot->private_data;
>
> snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], active, active, 1);
> return 0;
> @@ -813,7 +813,7 @@ static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
> if (!(mixer->mask_recsrc & (1 << idx)))
> continue;
> pslot = &mixer->slots[idx];
> - slot = (struct slot *)pslot->private_data;
> + slot = pslot->private_data;
> if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
> continue;
> if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
> @@ -861,7 +861,7 @@ static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
> if (!(mixer->mask_recsrc & (1 << idx)))
> continue;
> pslot = &mixer->slots[idx];
> - slot = (struct slot *)pslot->private_data;
> + slot = pslot->private_data;
> if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
> continue;
> if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
> @@ -925,7 +925,7 @@ static int snd_mixer_oss_build_test(struct snd_mixer_oss *mixer, struct slot *sl
>
> static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn)
> {
> - struct slot *p = (struct slot *)chn->private_data;
> + struct slot *p = chn->private_data;
> if (p) {
> if (p->allocated && p->assigned) {
> kfree(p->assigned->name);
> diff --git a/sound/core/pcm.c b/sound/core/pcm.c
> index 204af48..88525a9 100644
> --- a/sound/core/pcm.c
> +++ b/sound/core/pcm.c
> @@ -364,8 +364,7 @@ static void snd_pcm_stream_proc_info_read(struct snd_info_entry *entry,
> static void snd_pcm_substream_proc_info_read(struct snd_info_entry *entry,
> struct snd_info_buffer *buffer)
> {
> - snd_pcm_proc_info_read((struct snd_pcm_substream *)entry->private_data,
> - buffer);
> + snd_pcm_proc_info_read(entry->private_data, buffer);
> }
>
> static void snd_pcm_substream_proc_hw_params_read(struct snd_info_entry *entry,
> diff --git a/sound/drivers/virmidi.c b/sound/drivers/virmidi.c
> index 0e631c3..f4cd493 100644
> --- a/sound/drivers/virmidi.c
> +++ b/sound/drivers/virmidi.c
> @@ -94,7 +94,7 @@ static int __devinit snd_virmidi_probe(struct platform_device *devptr)
> sizeof(struct snd_card_virmidi), &card);
> if (err < 0)
> return err;
> - vmidi = (struct snd_card_virmidi *)card->private_data;
> + vmidi = card->private_data;
> vmidi->card = card;
>
> if (midi_devs[dev] > MAX_MIDI_DEVICES) {
> diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
> index 1adb8a3..ebab6c7 100644
> --- a/sound/i2c/other/ak4xxx-adda.c
> +++ b/sound/i2c/other/ak4xxx-adda.c
> @@ -878,7 +878,7 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
> static void proc_regs_read(struct snd_info_entry *entry,
> struct snd_info_buffer *buffer)
> {
> - struct snd_akm4xxx *ak = (struct snd_akm4xxx *)entry->private_data;
> + struct snd_akm4xxx *ak = entry->private_data;
> int reg, val, chip;
> for (chip = 0; chip < ak->num_chips; chip++) {
> for (reg = 0; reg < ak->total_regs; reg++) {
> diff --git a/sound/isa/ad1816a/ad1816a.c b/sound/isa/ad1816a/ad1816a.c
> index bbcbf92..3cb75bc 100644
> --- a/sound/isa/ad1816a/ad1816a.c
> +++ b/sound/isa/ad1816a/ad1816a.c
> @@ -162,7 +162,7 @@ static int __devinit snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard
> sizeof(struct snd_card_ad1816a), &card);
> if (error < 0)
> return error;
> - acard = (struct snd_card_ad1816a *)card->private_data;
> + acard = card->private_data;
>
> if ((error = snd_card_ad1816a_pnp(dev, acard, pcard, pid))) {
> snd_card_free(card);
> diff --git a/sound/isa/azt2320.c b/sound/isa/azt2320.c
> index f7aa637..aac8dc1 100644
> --- a/sound/isa/azt2320.c
> +++ b/sound/isa/azt2320.c
> @@ -188,7 +188,7 @@ static int __devinit snd_card_azt2320_probe(int dev,
> sizeof(struct snd_card_azt2320), &card);
> if (error < 0)
> return error;
> - acard = (struct snd_card_azt2320 *)card->private_data;
> + acard = card->private_data;
>
> if ((error = snd_card_azt2320_pnp(dev, acard, pcard, pid))) {
> snd_card_free(card);
> diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c
> index f26eac8..3e4a58b 100644
> --- a/sound/isa/gus/gusmax.c
> +++ b/sound/isa/gus/gusmax.c
> @@ -191,7 +191,7 @@ static int __devinit snd_gusmax_mixer(struct snd_wss *chip)
>
> static void snd_gusmax_free(struct snd_card *card)
> {
> - struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
> + struct snd_gusmax *maxcard = card->private_data;
>
> if (maxcard == NULL)
> return;
> @@ -219,7 +219,7 @@ static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev)
> if (err < 0)
> return err;
> card->private_free = snd_gusmax_free;
> - maxcard = (struct snd_gusmax *)card->private_data;
> + maxcard = card->private_data;
> maxcard->card = card;
> maxcard->irq = -1;
>
> diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c
> index 81284a8..2259e3f 100644
> --- a/sound/isa/sb/sb8.c
> +++ b/sound/isa/sb/sb8.c
> @@ -72,7 +72,7 @@ static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
>
> static void snd_sb8_free(struct snd_card *card)
> {
> - struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
> + struct snd_sb8 *acard = card->private_data;
>
> if (acard == NULL)
> return;
> diff --git a/sound/oss/au1550_ac97.c b/sound/oss/au1550_ac97.c
> index c6f2621..8a12621 100644
> --- a/sound/oss/au1550_ac97.c
> +++ b/sound/oss/au1550_ac97.c
> @@ -171,7 +171,7 @@ au1550_delay(int msec)
> static u16
> rdcodec(struct ac97_codec *codec, u8 addr)
> {
> - struct au1550_state *s = (struct au1550_state *)codec->private_data;
> + struct au1550_state *s = codec->private_data;
> unsigned long flags;
> u32 cmd, val;
> u16 data;
> @@ -239,7 +239,7 @@ rdcodec(struct ac97_codec *codec, u8 addr)
> static void
> wrcodec(struct ac97_codec *codec, u8 addr, u16 data)
> {
> - struct au1550_state *s = (struct au1550_state *)codec->private_data;
> + struct au1550_state *s = codec->private_data;
> unsigned long flags;
> u32 cmd, val;
> int i;
> @@ -820,7 +820,7 @@ mixdev_ioctl(struct ac97_codec *codec, unsigned int cmd,
> static long
> au1550_ioctl_mixdev(struct file *file, unsigned int cmd, unsigned long arg)
> {
> - struct au1550_state *s = (struct au1550_state *)file->private_data;
> + struct au1550_state *s = file->private_data;
> struct ac97_codec *codec = s->codec;
> int ret;
>
> @@ -1031,7 +1031,7 @@ copy_dmabuf_user(struct dmabuf *db, char* userbuf, int count, int to_user)
> static ssize_t
> au1550_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
> {
> - struct au1550_state *s = (struct au1550_state *)file->private_data;
> + struct au1550_state *s = file->private_data;
> struct dmabuf *db = &s->dma_adc;
> DECLARE_WAITQUEUE(wait, current);
> ssize_t ret;
> @@ -1111,7 +1111,7 @@ out2:
> static ssize_t
> au1550_write(struct file *file, const char *buffer, size_t count, loff_t * ppos)
> {
> - struct au1550_state *s = (struct au1550_state *)file->private_data;
> + struct au1550_state *s = file->private_data;
> struct dmabuf *db = &s->dma_dac;
> DECLARE_WAITQUEUE(wait, current);
> ssize_t ret = 0;
> @@ -1211,7 +1211,7 @@ out2:
> static unsigned int
> au1550_poll(struct file *file, struct poll_table_struct *wait)
> {
> - struct au1550_state *s = (struct au1550_state *)file->private_data;
> + struct au1550_state *s = file->private_data;
> unsigned long flags;
> unsigned int mask = 0;
>
> @@ -1250,7 +1250,7 @@ au1550_poll(struct file *file, struct poll_table_struct *wait)
> static int
> au1550_mmap(struct file *file, struct vm_area_struct *vma)
> {
> - struct au1550_state *s = (struct au1550_state *)file->private_data;
> + struct au1550_state *s = file->private_data;
> struct dmabuf *db;
> unsigned long size;
> int ret = 0;
> @@ -1342,7 +1342,7 @@ dma_count_done(struct dmabuf *db)
> static int
> au1550_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
> {
> - struct au1550_state *s = (struct au1550_state *)file->private_data;
> + struct au1550_state *s = file->private_data;
> unsigned long flags;
> audio_buf_info abinfo;
> count_info cinfo;
> @@ -1868,7 +1868,7 @@ out2:
> static int
> au1550_release(struct inode *inode, struct file *file)
> {
> - struct au1550_state *s = (struct au1550_state *)file->private_data;
> + struct au1550_state *s = file->private_data;
>
> lock_kernel();
>
> diff --git a/sound/pci/emu10k1/emumpu401.c b/sound/pci/emu10k1/emumpu401.c
> index 8578c70..bab5648 100644
> --- a/sound/pci/emu10k1/emumpu401.c
> +++ b/sound/pci/emu10k1/emumpu401.c
> @@ -321,7 +321,7 @@ static struct snd_rawmidi_ops snd_emu10k1_midi_input =
>
> static void snd_emu10k1_midi_free(struct snd_rawmidi *rmidi)
> {
> - struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)rmidi->private_data;
> + struct snd_emu10k1_midi *midi = rmidi->private_data;
> midi->interrupt = NULL;
> midi->rmidi = NULL;
> }
> diff --git a/sound/pci/ice1712/pontis.c b/sound/pci/ice1712/pontis.c
> index 6bc3f91..cdb873f 100644
> --- a/sound/pci/ice1712/pontis.c
> +++ b/sound/pci/ice1712/pontis.c
> @@ -638,7 +638,7 @@ static struct snd_kcontrol_new pontis_controls[] __devinitdata = {
> */
> static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
> {
> - struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
> + struct snd_ice1712 *ice = entry->private_data;
> char line[64];
> unsigned int reg, val;
> mutex_lock(&ice->gpio_mutex);
> @@ -653,7 +653,7 @@ static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buf
>
> static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
> {
> - struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
> + struct snd_ice1712 *ice = entry->private_data;
> int reg, val;
>
> mutex_lock(&ice->gpio_mutex);
> @@ -676,7 +676,7 @@ static void wm_proc_init(struct snd_ice1712 *ice)
>
> static void cs_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
> {
> - struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
> + struct snd_ice1712 *ice = entry->private_data;
> int reg, val;
>
> mutex_lock(&ice->gpio_mutex);
> diff --git a/sound/pci/ice1712/prodigy192.c b/sound/pci/ice1712/prodigy192.c
> index 2a8e5cd..e36ddb9 100644
> --- a/sound/pci/ice1712/prodigy192.c
> +++ b/sound/pci/ice1712/prodigy192.c
> @@ -654,7 +654,7 @@ static int prodigy192_ak4114_init(struct snd_ice1712 *ice)
> static void stac9460_proc_regs_read(struct snd_info_entry *entry,
> struct snd_info_buffer *buffer)
> {
> - struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
> + struct snd_ice1712 *ice = entry->private_data;
> int reg, val;
> /* registers 0x0 - 0x14 */
> for (reg = 0; reg <= 0x15; reg++) {
> diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
> index d19dc05..d5f5b44 100644
> --- a/sound/pci/rme96.c
> +++ b/sound/pci/rme96.c
> @@ -1527,14 +1527,14 @@ snd_rme96_free(void *private_data)
> static void
> snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
> {
> - struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
> + struct rme96 *rme96 = pcm->private_data;
> rme96->spdif_pcm = NULL;
> }
>
> static void
> snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
> {
> - struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
> + struct rme96 *rme96 = pcm->private_data;
> rme96->adat_pcm = NULL;
> }
>
> @@ -1661,7 +1661,7 @@ static void
> snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
> {
> int n;
> - struct rme96 *rme96 = (struct rme96 *)entry->private_data;
> + struct rme96 *rme96 = entry->private_data;
>
> rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
>
> @@ -2348,7 +2348,7 @@ snd_rme96_probe(struct pci_dev *pci,
> if (err < 0)
> return err;
> card->private_free = snd_rme96_card_free;
> - rme96 = (struct rme96 *)card->private_data;
> + rme96 = card->private_data;
> rme96->card = card;
> rme96->pci = pci;
> snd_card_set_dev(card, &pci->dev);
> diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
> index b92adef..599e090 100644
> --- a/sound/pci/rme9652/hdsp.c
> +++ b/sound/pci/rme9652/hdsp.c
> @@ -3284,7 +3284,7 @@ static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp)
> static void
> snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
> {
> - struct hdsp *hdsp = (struct hdsp *) entry->private_data;
> + struct hdsp *hdsp = entry->private_data;
> unsigned int status;
> unsigned int status2;
> char *pref_sync_ref;
> @@ -4566,7 +4566,7 @@ static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rm
>
> static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg)
> {
> - struct hdsp *hdsp = (struct hdsp *)hw->private_data;
> + struct hdsp *hdsp = hw->private_data;
> void __user *argp = (void __user *)arg;
> int err;
>
> @@ -5155,7 +5155,7 @@ static int snd_hdsp_free(struct hdsp *hdsp)
>
> static void snd_hdsp_card_free(struct snd_card *card)
> {
> - struct hdsp *hdsp = (struct hdsp *) card->private_data;
> + struct hdsp *hdsp = card->private_data;
>
> if (hdsp)
> snd_hdsp_free(hdsp);
> @@ -5181,7 +5181,7 @@ static int __devinit snd_hdsp_probe(struct pci_dev *pci,
> if (err < 0)
> return err;
>
> - hdsp = (struct hdsp *) card->private_data;
> + hdsp = card->private_data;
> card->private_free = snd_hdsp_card_free;
> hdsp->dev = dev;
> hdsp->pci = pci;
> --
> 1.7.2.19.g9a302
>
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