From: phucduc.bui@gmail.com
To: Heiko Stuebner <heiko@sntech.de>, Mark Brown <broonie@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>
Cc: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
linux-sound@vger.kernel.org, linux-rockchip@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
bui duc phuc <phucduc.bui@gmail.com>
Subject: [PATCH 1/3] ASoC: rockchip: rockchip_i2s: Use guard() for spin locks
Date: Wed, 3 Jun 2026 10:57:39 +0700 [thread overview]
Message-ID: <20260603035741.68893-2-phucduc.bui@gmail.com> (raw)
In-Reply-To: <20260603035741.68893-1-phucduc.bui@gmail.com>
From: bui duc phuc <phucduc.bui@gmail.com>
Clean up the code using guard() for spin locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
---
NOTE: This patch is compile-tested only.
sound/soc/rockchip/rockchip_i2s.c | 160 +++++++++++++++---------------
1 file changed, 80 insertions(+), 80 deletions(-)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 0a0a95b4f520..5a5087f4ae03 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -127,52 +127,52 @@ static int rockchip_snd_txctrl(struct rk_i2s_dev *i2s, int on)
unsigned int val = 0;
int ret = 0;
- spin_lock(&i2s->lock);
- if (on) {
- ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
- I2S_DMACR_TDE_ENABLE,
- I2S_DMACR_TDE_ENABLE);
- if (ret < 0)
- goto end;
- ret = regmap_update_bits(i2s->regmap, I2S_XFER,
- I2S_XFER_TXS_START | I2S_XFER_RXS_START,
- I2S_XFER_TXS_START | I2S_XFER_RXS_START);
- if (ret < 0)
- goto end;
- i2s->tx_start = true;
- } else {
- i2s->tx_start = false;
-
- ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
- I2S_DMACR_TDE_ENABLE,
- I2S_DMACR_TDE_DISABLE);
- if (ret < 0)
- goto end;
-
- if (!i2s->rx_start) {
+ scoped_guard(spinlock, &i2s->lock) {
+ if (on) {
+ ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
+ I2S_DMACR_TDE_ENABLE,
+ I2S_DMACR_TDE_ENABLE);
+ if (ret < 0)
+ break;
ret = regmap_update_bits(i2s->regmap, I2S_XFER,
I2S_XFER_TXS_START | I2S_XFER_RXS_START,
- I2S_XFER_TXS_STOP | I2S_XFER_RXS_STOP);
+ I2S_XFER_TXS_START | I2S_XFER_RXS_START);
if (ret < 0)
- goto end;
- udelay(150);
- ret = regmap_update_bits(i2s->regmap, I2S_CLR,
- I2S_CLR_TXC | I2S_CLR_RXC,
- I2S_CLR_TXC | I2S_CLR_RXC);
- if (ret < 0)
- goto end;
- ret = regmap_read_poll_timeout_atomic(i2s->regmap,
- I2S_CLR,
- val,
- val == 0,
- 20,
- 200);
+ break;
+ i2s->tx_start = true;
+ } else {
+ i2s->tx_start = false;
+
+ ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
+ I2S_DMACR_TDE_ENABLE,
+ I2S_DMACR_TDE_DISABLE);
if (ret < 0)
- dev_warn(i2s->dev, "fail to clear: %d\n", ret);
+ break;
+
+ if (!i2s->rx_start) {
+ ret = regmap_update_bits(i2s->regmap, I2S_XFER,
+ I2S_XFER_TXS_START | I2S_XFER_RXS_START,
+ I2S_XFER_TXS_STOP | I2S_XFER_RXS_STOP);
+ if (ret < 0)
+ break;
+ udelay(150);
+ ret = regmap_update_bits(i2s->regmap, I2S_CLR,
+ I2S_CLR_TXC | I2S_CLR_RXC,
+ I2S_CLR_TXC | I2S_CLR_RXC);
+ if (ret < 0)
+ break;
+ ret = regmap_read_poll_timeout_atomic(i2s->regmap,
+ I2S_CLR,
+ val,
+ val == 0,
+ 20,
+ 200);
+ if (ret < 0)
+ dev_warn(i2s->dev, "fail to clear: %d\n", ret);
+ }
}
}
-end:
- spin_unlock(&i2s->lock);
+
if (ret < 0)
dev_err(i2s->dev, "lrclk update failed\n");
@@ -184,53 +184,53 @@ static int rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on)
unsigned int val = 0;
int ret = 0;
- spin_lock(&i2s->lock);
- if (on) {
- ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
- I2S_DMACR_RDE_ENABLE,
- I2S_DMACR_RDE_ENABLE);
- if (ret < 0)
- goto end;
-
- ret = regmap_update_bits(i2s->regmap, I2S_XFER,
- I2S_XFER_TXS_START | I2S_XFER_RXS_START,
- I2S_XFER_TXS_START | I2S_XFER_RXS_START);
- if (ret < 0)
- goto end;
- i2s->rx_start = true;
- } else {
- i2s->rx_start = false;
-
- ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
- I2S_DMACR_RDE_ENABLE,
- I2S_DMACR_RDE_DISABLE);
- if (ret < 0)
- goto end;
+ scoped_guard(spinlock, &i2s->lock) {
+ if (on) {
+ ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
+ I2S_DMACR_RDE_ENABLE,
+ I2S_DMACR_RDE_ENABLE);
+ if (ret < 0)
+ break;
- if (!i2s->tx_start) {
ret = regmap_update_bits(i2s->regmap, I2S_XFER,
I2S_XFER_TXS_START | I2S_XFER_RXS_START,
- I2S_XFER_TXS_STOP | I2S_XFER_RXS_STOP);
+ I2S_XFER_TXS_START | I2S_XFER_RXS_START);
if (ret < 0)
- goto end;
- udelay(150);
- ret = regmap_update_bits(i2s->regmap, I2S_CLR,
- I2S_CLR_TXC | I2S_CLR_RXC,
- I2S_CLR_TXC | I2S_CLR_RXC);
- if (ret < 0)
- goto end;
- ret = regmap_read_poll_timeout_atomic(i2s->regmap,
- I2S_CLR,
- val,
- val == 0,
- 20,
- 200);
+ break;
+ i2s->rx_start = true;
+ } else {
+ i2s->rx_start = false;
+
+ ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
+ I2S_DMACR_RDE_ENABLE,
+ I2S_DMACR_RDE_DISABLE);
if (ret < 0)
- dev_warn(i2s->dev, "fail to clear: %d\n", ret);
+ break;
+
+ if (!i2s->tx_start) {
+ ret = regmap_update_bits(i2s->regmap, I2S_XFER,
+ I2S_XFER_TXS_START | I2S_XFER_RXS_START,
+ I2S_XFER_TXS_STOP | I2S_XFER_RXS_STOP);
+ if (ret < 0)
+ break;
+ udelay(150);
+ ret = regmap_update_bits(i2s->regmap, I2S_CLR,
+ I2S_CLR_TXC | I2S_CLR_RXC,
+ I2S_CLR_TXC | I2S_CLR_RXC);
+ if (ret < 0)
+ break;
+ ret = regmap_read_poll_timeout_atomic(i2s->regmap,
+ I2S_CLR,
+ val,
+ val == 0,
+ 20,
+ 200);
+ if (ret < 0)
+ dev_warn(i2s->dev, "fail to clear: %d\n", ret);
+ }
}
}
-end:
- spin_unlock(&i2s->lock);
+
if (ret < 0)
dev_err(i2s->dev, "lrclk update failed\n");
--
2.43.0
next prev parent reply other threads:[~2026-06-03 3:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-03 3:57 [PATCH 0/3] ASoC: rockchip: Use guard() for spin locks phucduc.bui
2026-06-03 3:57 ` phucduc.bui [this message]
2026-06-03 3:57 ` [PATCH 2/3] ASoC: rockchip: i2s-tdm: " phucduc.bui
2026-06-03 3:57 ` [PATCH 3/3] ASoC: rockchip: rockchip_sai: " phucduc.bui
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