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authorRyan Mallon <rmallon@gmail.com>2012-01-11 11:04:42 +1100
committerRyan Mallon <rmallon@gmail.com>2012-03-14 11:41:08 +1100
commitf15855bfaad29b2badd4a5c30ad73e0542a19d16 (patch)
tree3e3b4680725ae0cc5935d9fc031c1b705a6fa6a9 /arch/arm/mach-ep93xx
parent258249ec0eaea479eead856ee49e336415f4b1df (diff)
downloadop-kernel-dev-f15855bfaad29b2badd4a5c30ad73e0542a19d16.zip
op-kernel-dev-f15855bfaad29b2badd4a5c30ad73e0542a19d16.tar.gz
ep93xx: Don't use system controller defines in audio drivers
Both the Snapper CL15 and EDB93xx audio drivers set the same audio configuration in ep93xx_i2s_acquire. Remove the arguments to ep93xx_i2s_acquire so that the audio drivers no longer need the EP93XX_SYSCON defines exported. Signed-off-by: Ryan Mallon <rmallon@gmail.com> Cc: Liam Girdwood <lrg@ti.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi> Acked-by: Hartley Sweeten <hsweeten@visionengravers.com>
Diffstat (limited to 'arch/arm/mach-ep93xx')
-rw-r--r--arch/arm/mach-ep93xx/core.c19
-rw-r--r--arch/arm/mach-ep93xx/include/mach/platform.h2
2 files changed, 5 insertions, 16 deletions
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 24203f9..b5c1dae 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -817,23 +817,12 @@ void __init ep93xx_register_i2s(void)
#define EP93XX_I2SCLKDIV_MASK (EP93XX_SYSCON_I2SCLKDIV_ORIDE | \
EP93XX_SYSCON_I2SCLKDIV_SPOL)
-int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config)
+int ep93xx_i2s_acquire(void)
{
unsigned val;
- /* Sanity check */
- if (i2s_pins & ~EP93XX_SYSCON_DEVCFG_I2S_MASK)
- return -EINVAL;
- if (i2s_config & ~EP93XX_I2SCLKDIV_MASK)
- return -EINVAL;
-
- /* Must have only one of I2SONSSP/I2SONAC97 set */
- if ((i2s_pins & EP93XX_SYSCON_DEVCFG_I2SONSSP) ==
- (i2s_pins & EP93XX_SYSCON_DEVCFG_I2SONAC97))
- return -EINVAL;
-
- ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_I2S_MASK);
- ep93xx_devcfg_set_bits(i2s_pins);
+ ep93xx_devcfg_set_clear(EP93XX_SYSCON_DEVCFG_I2SONAC97,
+ EP93XX_SYSCON_DEVCFG_I2S_MASK);
/*
* This is potentially racy with the clock api for i2s_mclk, sclk and
@@ -843,7 +832,7 @@ int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config)
*/
val = __raw_readl(EP93XX_SYSCON_I2SCLKDIV);
val &= ~EP93XX_I2SCLKDIV_MASK;
- val |= i2s_config;
+ val |= EP93XX_SYSCON_I2SCLKDIV_ORIDE | EP93XX_SYSCON_I2SCLKDIV_SPOL;
ep93xx_syscon_swlocked_write(val, EP93XX_SYSCON_I2SCLKDIV);
return 0;
diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
index d4c9349..ad63d4b 100644
--- a/arch/arm/mach-ep93xx/include/mach/platform.h
+++ b/arch/arm/mach-ep93xx/include/mach/platform.h
@@ -59,7 +59,7 @@ void ep93xx_register_keypad(struct ep93xx_keypad_platform_data *data);
int ep93xx_keypad_acquire_gpio(struct platform_device *pdev);
void ep93xx_keypad_release_gpio(struct platform_device *pdev);
void ep93xx_register_i2s(void);
-int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config);
+int ep93xx_i2s_acquire(void);
void ep93xx_i2s_release(void);
void ep93xx_register_ac97(void);
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