[PATCH 1/3] ARM: S5P6440: Bug fix on PWM Timer

Kukjin Kim kgene.kim at samsung.com
Fri Mar 19 01:47:58 EDT 2010


From: Jongpill Lee <boyko.lee at samsung.com>

This patch fixes return value in below functions
- pwm_cfg_src_is_tclk
- tcfg_to_divisor
- pwm_tdiv_has_div1
- pwm_tdiv_div_bits

Signed-off-by: Jongpill Lee <boyko.lee at samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
---
 arch/arm/mach-s5p6440/include/mach/pwm-clock.h |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
index c4bb7c5..00c804a 100644
--- a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
+++ b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
@@ -16,14 +16,14 @@
 
 /**
  * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
- * @cfg: The timer TCFG1 register bits shifted down to 0.
+ * @tcfg: The timer TCFG1 register bits shifted down to 0.
  *
  * Return true if the given configuration from TCFG1 is a TCLK instead
  * any of the TDIV clocks.
  */
 static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
 {
-	return tcfg == S3C2410_TCFG1_MUX_TCLK;
+	return 0;
 }
 
 /**
@@ -35,7 +35,7 @@ static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
  */
 static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
 {
-	return 1 << (1 + tcfg1);
+	return 1 << tcfg1;
 }
 
 /**
@@ -45,7 +45,7 @@ static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
  */
 static inline unsigned int pwm_tdiv_has_div1(void)
 {
-	return 0;
+	return 1;
 }
 
 /**
@@ -56,7 +56,7 @@ static inline unsigned int pwm_tdiv_has_div1(void)
  */
 static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
 {
-	return ilog2(div) - 1;
+	return ilog2(div);
 }
 
 #define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK
-- 
1.6.2.5




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