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Mon, 31 Jul 2023 15:47:26 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: Takashi Iwai , Mark Brown Subject: [PATCH 18/24] ASoC: mediatek: Convert to generic PCM copy ops Date: Mon, 31 Jul 2023 17:47:12 +0200 Message-Id: <20230731154718.31048-19-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230731154718.31048-1-tiwai@suse.de> References: <20230731154718.31048-1-tiwai@suse.de> MIME-Version: 1.0 Message-ID-Hash: RZJCCILEQWBUN2JUZXJR3GLMZZGUDEAB X-Message-ID-Hash: RZJCCILEQWBUN2JUZXJR3GLMZZGUDEAB 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 converts the mediatek BT SCO driver code to use the new unified PCM copy callback. It's a straightforward conversion from *_user() to *_sockptr() variants. Cc: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/mediatek/common/mtk-btcvsd.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/sound/soc/mediatek/common/mtk-btcvsd.c b/sound/soc/mediatek/common/mtk-btcvsd.c index 1ba0633e542f..d54752baf338 100644 --- a/sound/soc/mediatek/common/mtk-btcvsd.c +++ b/sound/soc/mediatek/common/mtk-btcvsd.c @@ -696,7 +696,7 @@ static int wait_for_bt_irq(struct mtk_btcvsd_snd *bt, } static ssize_t mtk_btcvsd_snd_read(struct mtk_btcvsd_snd *bt, - char __user *buf, + sockptr_t buf, size_t count) { ssize_t read_size = 0, read_count = 0, cur_read_idx, cont; @@ -743,9 +743,9 @@ static ssize_t mtk_btcvsd_snd_read(struct mtk_btcvsd_snd *bt, if (read_size > cont) read_size = cont; - if (copy_to_user(buf + cur_buf_ofs, - bt->rx_packet_buf + cur_read_idx, - read_size)) { + if (copy_to_sockptr_offset(buf, cur_buf_ofs, + bt->rx_packet_buf + cur_read_idx, + read_size)) { dev_warn(bt->dev, "%s(), copy_to_user fail\n", __func__); return -EFAULT; @@ -777,7 +777,7 @@ static ssize_t mtk_btcvsd_snd_read(struct mtk_btcvsd_snd *bt, } static ssize_t mtk_btcvsd_snd_write(struct mtk_btcvsd_snd *bt, - char __user *buf, + sockptr_t buf, size_t count) { int written_size = count, avail, cur_write_idx, write_size, cont; @@ -835,10 +835,10 @@ static ssize_t mtk_btcvsd_snd_write(struct mtk_btcvsd_snd *bt, if (write_size > cont) write_size = cont; - if (copy_from_user(bt->tx_packet_buf + - cur_write_idx, - buf + cur_buf_ofs, - write_size)) { + if (copy_from_sockptr_offset(bt->tx_packet_buf + + cur_write_idx, + buf, cur_buf_ofs, + write_size)) { dev_warn(bt->dev, "%s(), copy_from_user fail\n", __func__); return -EFAULT; @@ -1033,7 +1033,7 @@ static snd_pcm_uframes_t mtk_pcm_btcvsd_pointer( static int mtk_pcm_btcvsd_copy(struct snd_soc_component *component, struct snd_pcm_substream *substream, int channel, unsigned long pos, - void __user *buf, unsigned long count) + sockptr_t buf, unsigned long count) { struct mtk_btcvsd_snd *bt = snd_soc_component_get_drvdata(component); @@ -1274,7 +1274,7 @@ static const struct snd_soc_component_driver mtk_btcvsd_snd_platform = { .prepare = mtk_pcm_btcvsd_prepare, .trigger = mtk_pcm_btcvsd_trigger, .pointer = mtk_pcm_btcvsd_pointer, - .copy_user = mtk_pcm_btcvsd_copy, + .copy = mtk_pcm_btcvsd_copy, }; static int mtk_btcvsd_snd_probe(struct platform_device *pdev)