From: dbaryshkov@gmail.com (Dmitry Eremin-Solenikov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ASoC: pxa: prepare/unprepare clocks in pxa-ssp
Date: Sat, 15 Nov 2014 22:51:46 +0300 [thread overview]
Message-ID: <1416081106-28324-1-git-send-email-dbaryshkov@gmail.com> (raw)
Change clk_enable/disable() calls to clk_prepare_enable() and
clk_disable_unrepapre().
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
sound/soc/pxa/pxa-ssp.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index a8e0974..cbba063 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -97,7 +97,7 @@ static int pxa_ssp_startup(struct snd_pcm_substream *substream,
int ret = 0;
if (!cpu_dai->active) {
- clk_enable(ssp->clk);
+ clk_prepare_enable(ssp->clk);
pxa_ssp_disable(ssp);
}
@@ -121,7 +121,7 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream,
if (!cpu_dai->active) {
pxa_ssp_disable(ssp);
- clk_disable(ssp->clk);
+ clk_disable_unprepare(ssp->clk);
}
kfree(snd_soc_dai_get_dma_data(cpu_dai, substream));
@@ -136,7 +136,7 @@ static int pxa_ssp_suspend(struct snd_soc_dai *cpu_dai)
struct ssp_device *ssp = priv->ssp;
if (!cpu_dai->active)
- clk_enable(ssp->clk);
+ clk_prepare_enable(ssp->clk);
priv->cr0 = __raw_readl(ssp->mmio_base + SSCR0);
priv->cr1 = __raw_readl(ssp->mmio_base + SSCR1);
@@ -144,7 +144,7 @@ static int pxa_ssp_suspend(struct snd_soc_dai *cpu_dai)
priv->psp = __raw_readl(ssp->mmio_base + SSPSP);
pxa_ssp_disable(ssp);
- clk_disable(ssp->clk);
+ clk_disable_unprepare(ssp->clk);
return 0;
}
@@ -154,7 +154,7 @@ static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai)
struct ssp_device *ssp = priv->ssp;
uint32_t sssr = SSSR_ROR | SSSR_TUR | SSSR_BCE;
- clk_enable(ssp->clk);
+ clk_prepare_enable(ssp->clk);
__raw_writel(sssr, ssp->mmio_base + SSSR);
__raw_writel(priv->cr0 & ~SSCR0_SSE, ssp->mmio_base + SSCR0);
@@ -165,7 +165,7 @@ static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai)
if (cpu_dai->active)
pxa_ssp_enable(ssp);
else
- clk_disable(ssp->clk);
+ clk_disable_unprepare(ssp->clk);
return 0;
}
@@ -256,11 +256,11 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
/* The SSP clock must be disabled when changing SSP clock mode
* on PXA2xx. On PXA3xx it must be enabled when doing so. */
if (ssp->type != PXA3xx_SSP)
- clk_disable(ssp->clk);
+ clk_disable_unprepare(ssp->clk);
val = pxa_ssp_read_reg(ssp, SSCR0) | sscr0;
pxa_ssp_write_reg(ssp, SSCR0, val);
if (ssp->type != PXA3xx_SSP)
- clk_enable(ssp->clk);
+ clk_prepare_enable(ssp->clk);
return 0;
}
--
2.1.1
next reply other threads:[~2014-11-15 19:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-15 19:51 Dmitry Eremin-Solenikov [this message]
2014-11-15 21:15 ` [PATCH] ASoC: pxa: prepare/unprepare clocks in pxa-ssp Robert Jarzmik
2014-11-17 11:01 ` Mark Brown
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