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author | Eric Miao <eric.y.miao@gmail.com> | 2010-11-22 22:48:49 +0800 |
---|---|---|
committer | Eric Miao <eric.y.miao@gmail.com> | 2010-12-16 14:31:19 +0800 |
commit | 2a125dd56b3a853701063fe8a678ad7603e385fd (patch) | |
tree | 279a16da435e810fa8490fe4a1557486a54e9cf3 /arch/arm | |
parent | 4029813c89926ae5d78cc2dff49d845d934424f6 (diff) | |
download | kernel_samsung_smdk4412-2a125dd56b3a853701063fe8a678ad7603e385fd.zip kernel_samsung_smdk4412-2a125dd56b3a853701063fe8a678ad7603e385fd.tar.gz kernel_samsung_smdk4412-2a125dd56b3a853701063fe8a678ad7603e385fd.tar.bz2 |
ARM: pxa: remove get_memclk_frequency_10khz()
Introduce 'struct clk' for memory and remove
get_memclk_frequency_10khz().
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-pxa/generic.c | 13 | ||||
-rw-r--r-- | arch/arm/mach-pxa/generic.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 20 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 15 |
4 files changed, 21 insertions, 31 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index d4ce8f9..d2bb071 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -72,19 +72,6 @@ unsigned int get_clk_frequency_khz(int info) EXPORT_SYMBOL(get_clk_frequency_khz); /* - * Return the current memory clock frequency in units of 10kHz - */ -unsigned int get_memclk_frequency_10khz(void) -{ - if (cpu_is_pxa25x()) - return pxa25x_get_memclk_frequency_10khz(); - else if (cpu_is_pxa27x()) - return pxa27x_get_memclk_frequency_10khz(); - return 0; -} -EXPORT_SYMBOL(get_memclk_frequency_10khz); - -/* * Intel PXA2xx internal register mapping. * * Note: virtual 0xfffe0000-0xffffffff is reserved for the vector table diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h index d2e8bc3..0569d82 100644 --- a/arch/arm/mach-pxa/generic.h +++ b/arch/arm/mach-pxa/generic.h @@ -36,18 +36,14 @@ extern unsigned int get_clk_frequency_khz(int info); #ifdef CONFIG_PXA25x extern unsigned pxa25x_get_clk_frequency_khz(int); -extern unsigned pxa25x_get_memclk_frequency_10khz(void); #else #define pxa25x_get_clk_frequency_khz(x) (0) -#define pxa25x_get_memclk_frequency_10khz() (0) #endif #ifdef CONFIG_PXA27x extern unsigned pxa27x_get_clk_frequency_khz(int); -extern unsigned pxa27x_get_memclk_frequency_10khz(void); #else #define pxa27x_get_clk_frequency_khz(x) (0) -#define pxa27x_get_memclk_frequency_10khz() (0) #endif #if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x) diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index f29775e..65051bb 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -92,23 +92,21 @@ unsigned int pxa25x_get_clk_frequency_khz(int info) return (turbo & 1) ? (N/1000) : (M/1000); } -/* - * Return the current memory clock frequency in units of 10kHz - */ -unsigned int pxa25x_get_memclk_frequency_10khz(void) +static unsigned long clk_pxa25x_mem_getrate(struct clk *clk) { - return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK / 10000; + return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK; } -static unsigned long clk_pxa25x_lcd_getrate(struct clk *clk) -{ - return pxa25x_get_memclk_frequency_10khz() * 10000; -} +static const struct clkops clk_pxa25x_mem_ops = { + .enable = clk_dummy_enable, + .disable = clk_dummy_disable, + .getrate = clk_pxa25x_mem_getrate, +}; static const struct clkops clk_pxa25x_lcd_ops = { .enable = clk_pxa2xx_cken_enable, .disable = clk_pxa2xx_cken_disable, - .getrate = clk_pxa25x_lcd_getrate, + .getrate = clk_pxa25x_mem_getrate, }; static unsigned long gpio12_config_32k[] = { @@ -185,6 +183,7 @@ static DEFINE_PXA2_CKEN(pxa25x_ficp, FICP, 47923000, 0); static DEFINE_CK(pxa25x_lcd, LCD, &clk_pxa25x_lcd_ops); static DEFINE_CLK(pxa25x_gpio11, &clk_pxa25x_gpio11_ops, 3686400, 0); static DEFINE_CLK(pxa25x_gpio12, &clk_pxa25x_gpio12_ops, 32768, 0); +static DEFINE_CLK(pxa25x_mem, &clk_pxa25x_mem_ops, 0, 0); static struct clk_lookup pxa25x_clkregs[] = { INIT_CLKREG(&clk_pxa25x_lcd, "pxa2xx-fb", NULL), @@ -205,6 +204,7 @@ static struct clk_lookup pxa25x_clkregs[] = { INIT_CLKREG(&clk_pxa25x_ac97, NULL, "AC97CLK"), INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"), INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"), + INIT_CLKREG(&clk_pxa25x_mem, "pxa2xx-pcmcia", NULL), }; static struct clk_lookup pxa25x_hwuart_clkreg = diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 13242f2..6d2254b 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -111,10 +111,9 @@ unsigned int pxa27x_get_clk_frequency_khz(int info) } /* - * Return the current mem clock frequency in units of 10kHz as - * reflected by CCCR[A], B, and L + * Return the current mem clock frequency as reflected by CCCR[A], B, and L */ -unsigned int pxa27x_get_memclk_frequency_10khz(void) +static unsigned long clk_pxa27x_mem_getrate(struct clk *clk) { unsigned long ccsr, clkcfg; unsigned int l, L, m, M; @@ -133,9 +132,15 @@ unsigned int pxa27x_get_memclk_frequency_10khz(void) L = l * BASE_CLK; M = (!cccr_a) ? (L/m) : ((b) ? L : (L/2)); - return (M / 10000); + return M; } +static const struct clkops clk_pxa27x_mem_ops = { + .enable = clk_dummy_enable, + .disable = clk_dummy_disable, + .getrate = clk_pxa27x_mem_getrate, +}; + /* * Return the current LCD clock frequency in units of 10kHz as */ @@ -192,6 +197,7 @@ static DEFINE_PXA2_CKEN(pxa27x_memc, MEMC, 0, 0); static DEFINE_CK(pxa27x_lcd, LCD, &clk_pxa27x_lcd_ops); static DEFINE_CK(pxa27x_camera, CAMERA, &clk_pxa27x_lcd_ops); +static DEFINE_CLK(pxa27x_mem, &clk_pxa27x_mem_ops, 0, 0); static struct clk_lookup pxa27x_clkregs[] = { INIT_CLKREG(&clk_pxa27x_lcd, "pxa2xx-fb", NULL), @@ -220,6 +226,7 @@ static struct clk_lookup pxa27x_clkregs[] = { INIT_CLKREG(&clk_pxa27x_memstk, NULL, "MSTKCLK"), INIT_CLKREG(&clk_pxa27x_im, NULL, "IMCLK"), INIT_CLKREG(&clk_pxa27x_memc, NULL, "MEMCLK"), + INIT_CLKREG(&clk_pxa27x_mem, "pxa2xx-pcmcia", NULL), }; #ifdef CONFIG_PM |