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Wed, 16 Aug 2023 16:02:55 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: Curtis Malainey Subject: [PATCH RFC 5/9] ALSA: rawmidi: Don't embed device Date: Wed, 16 Aug 2023 18:02:48 +0200 Message-Id: <20230816160252.23396-6-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230816160252.23396-1-tiwai@suse.de> References: <20230816160252.23396-1-tiwai@suse.de> MIME-Version: 1.0 Message-ID-Hash: BMHGUSXSWIOH6JVOL4M34LICKZ7SEKOZ X-Message-ID-Hash: BMHGUSXSWIOH6JVOL4M34LICKZ7SEKOZ X-MailFrom: tiwai@suse.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This patch detaches the struct device from the snd_rawmidi object by allocating via snd_device_alloc(), just like done for other devices. Signed-off-by: Takashi Iwai --- include/sound/rawmidi.h | 2 +- sound/core/rawmidi.c | 29 +++++++++++++---------------- sound/core/ump.c | 8 ++++---- 3 files changed, 18 insertions(+), 21 deletions(-) diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h index b0197b1d1fe4..f31cabf0158c 100644 --- a/include/sound/rawmidi.h +++ b/include/sound/rawmidi.h @@ -135,7 +135,7 @@ struct snd_rawmidi { struct mutex open_mutex; wait_queue_head_t open_wait; - struct device dev; + struct device *dev; struct snd_info_entry *proc_entry; diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 2d3cec908154..ba06484ac4aa 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -44,11 +44,11 @@ static LIST_HEAD(snd_rawmidi_devices); static DEFINE_MUTEX(register_mutex); #define rmidi_err(rmidi, fmt, args...) \ - dev_err(&(rmidi)->dev, fmt, ##args) + dev_err((rmidi)->dev, fmt, ##args) #define rmidi_warn(rmidi, fmt, args...) \ - dev_warn(&(rmidi)->dev, fmt, ##args) + dev_warn((rmidi)->dev, fmt, ##args) #define rmidi_dbg(rmidi, fmt, args...) \ - dev_dbg(&(rmidi)->dev, fmt, ##args) + dev_dbg((rmidi)->dev, fmt, ##args) struct snd_rawmidi_status32 { s32 stream; @@ -1877,11 +1877,6 @@ static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi, return 0; } -static void release_rawmidi_device(struct device *dev) -{ - kfree(container_of(dev, struct snd_rawmidi, dev)); -} - /* used for both rawmidi and ump */ int snd_rawmidi_init(struct snd_rawmidi *rmidi, struct snd_card *card, char *id, int device, @@ -1906,12 +1901,13 @@ int snd_rawmidi_init(struct snd_rawmidi *rmidi, if (id != NULL) strscpy(rmidi->id, id, sizeof(rmidi->id)); - snd_device_initialize(&rmidi->dev, card); - rmidi->dev.release = release_rawmidi_device; + err = snd_device_alloc(&rmidi->dev, card); + if (err < 0) + return err; if (rawmidi_is_ump(rmidi)) - dev_set_name(&rmidi->dev, "umpC%iD%i", card->number, device); + dev_set_name(rmidi->dev, "umpC%iD%i", card->number, device); else - dev_set_name(&rmidi->dev, "midiC%iD%i", card->number, device); + dev_set_name(rmidi->dev, "midiC%iD%i", card->number, device); err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT], @@ -1996,7 +1992,8 @@ int snd_rawmidi_free(struct snd_rawmidi *rmidi) snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]); if (rmidi->private_free) rmidi->private_free(rmidi); - put_device(&rmidi->dev); + put_device(rmidi->dev); + kfree(rmidi); return 0; } EXPORT_SYMBOL_GPL(snd_rawmidi_free); @@ -2038,7 +2035,7 @@ static int snd_rawmidi_dev_register(struct snd_device *device) err = snd_register_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device, - &snd_rawmidi_f_ops, rmidi, &rmidi->dev); + &snd_rawmidi_f_ops, rmidi, rmidi->dev); if (err < 0) { rmidi_err(rmidi, "unable to register\n"); goto error; @@ -2103,7 +2100,7 @@ static int snd_rawmidi_dev_register(struct snd_device *device) return 0; error_unregister: - snd_unregister_device(&rmidi->dev); + snd_unregister_device(rmidi->dev); error: mutex_lock(®ister_mutex); list_del(&rmidi->list); @@ -2142,7 +2139,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device) rmidi->ossreg = 0; } #endif /* CONFIG_SND_OSSEMUL */ - snd_unregister_device(&rmidi->dev); + snd_unregister_device(rmidi->dev); mutex_unlock(&rmidi->open_mutex); mutex_unlock(®ister_mutex); return 0; diff --git a/sound/core/ump.c b/sound/core/ump.c index 246348766ec1..fbe2892e72fd 100644 --- a/sound/core/ump.c +++ b/sound/core/ump.c @@ -13,10 +13,10 @@ #include #include -#define ump_err(ump, fmt, args...) dev_err(&(ump)->core.dev, fmt, ##args) -#define ump_warn(ump, fmt, args...) dev_warn(&(ump)->core.dev, fmt, ##args) -#define ump_info(ump, fmt, args...) dev_info(&(ump)->core.dev, fmt, ##args) -#define ump_dbg(ump, fmt, args...) dev_dbg(&(ump)->core.dev, fmt, ##args) +#define ump_err(ump, fmt, args...) dev_err((ump)->core.dev, fmt, ##args) +#define ump_warn(ump, fmt, args...) dev_warn((ump)->core.dev, fmt, ##args) +#define ump_info(ump, fmt, args...) dev_info((ump)->core.dev, fmt, ##args) +#define ump_dbg(ump, fmt, args...) dev_dbg((ump)->core.dev, fmt, ##args) static int snd_ump_dev_register(struct snd_rawmidi *rmidi); static int snd_ump_dev_unregister(struct snd_rawmidi *rmidi);