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ARM: S5P6442: Bug fix on PWM Timer

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

And this patch changes Copyright ordering.

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Jongpill Lee 2010-03-19 15:33:22 +09:00 committed by Ben Dooks
parent 474b62f573
commit dcd897dba1
1 changed files with 11 additions and 10 deletions
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21
arch/arm/mach-s5p6442/include/mach/pwm-clock.h
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@ -1,13 +1,14 @@
/* linux/arch/arm/mach-s5p6442/include/mach/pwm-clock.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* Copyright 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Based on arch/arm/plat-s3c24xx/include/mach/pwm-clock.h
* Based on arch/arm/mach-s3c64xx/include/mach/pwm-clock.h
*
* S5P6442 - pwm clock and timer support
*
@ -21,14 +22,14 @@
/**
* 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 tcfg == S3C64XX_TCFG1_MUX_TCLK;
}
/**
@ -40,7 +41,7 @@ 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;
}
/**
@ -50,7 +51,7 @@ static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
*/
static inline unsigned int pwm_tdiv_has_div1(void)
{
return 0;
return 1;
}
/**
@ -61,9 +62,9 @@ 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
#define S3C_TCFG1_MUX_TCLK S3C64XX_TCFG1_MUX_TCLK
#endif /* __ASM_ARCH_PWMCLK_H */