From 3679389b880a318f9b9cfebab5714443796f2f71 Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Wed, 7 May 2008 20:36:34 +0100 Subject: [ARM] 5031/1: Indentation correction in cpu-pxa.c. These indentation corrections prepare the pxa27x support. Signed-off-by: Robert Jarzmik Signed-off-by: Russell King --- arch/arm/mach-pxa/cpu-pxa.c | 98 +++++++++++++++++++++++---------------------- 1 file changed, 51 insertions(+), 47 deletions(-) (limited to 'arch/arm/mach-pxa/cpu-pxa.c') diff --git a/arch/arm/mach-pxa/cpu-pxa.c b/arch/arm/mach-pxa/cpu-pxa.c index 4b21479332ae..0f5660200bf9 100644 --- a/arch/arm/mach-pxa/cpu-pxa.c +++ b/arch/arm/mach-pxa/cpu-pxa.c @@ -57,29 +57,29 @@ typedef struct { } pxa_freqs_t; /* Define the refresh period in mSec for the SDRAM and the number of rows */ -#define SDRAM_TREF 64 /* standard 64ms SDRAM */ -#define SDRAM_ROWS 4096 /* 64MB=8192 32MB=4096 */ -#define MDREFR_DRI(x) (((x) * SDRAM_TREF) / (SDRAM_ROWS * 32)) +#define SDRAM_TREF 64 /* standard 64ms SDRAM */ +#define SDRAM_ROWS 4096 /* 64MB=8192 32MB=4096 */ +#define MDREFR_DRI(x) (((x) * SDRAM_TREF) / (SDRAM_ROWS * 32)) -#define CCLKCFG_TURBO 0x1 -#define CCLKCFG_FCS 0x2 -#define PXA25x_MIN_FREQ 99500 -#define PXA25x_MAX_FREQ 398100 -#define MDREFR_DB2_MASK (MDREFR_K2DB2 | MDREFR_K1DB2) -#define MDREFR_DRI_MASK 0xFFF +#define CCLKCFG_TURBO 0x1 +#define CCLKCFG_FCS 0x2 +#define PXA25x_MIN_FREQ 99500 +#define PXA25x_MAX_FREQ 398100 +#define MDREFR_DB2_MASK (MDREFR_K2DB2 | MDREFR_K1DB2) +#define MDREFR_DRI_MASK 0xFFF /* Use the run mode frequencies for the CPUFREQ_POLICY_PERFORMANCE policy */ static pxa_freqs_t pxa255_run_freqs[] = { - /* CPU MEMBUS CCCR DIV2*/ - { 99500, 99500, 0x121, 1}, /* run= 99, turbo= 99, PXbus=50, SDRAM=50 */ - {132700, 132700, 0x123, 1}, /* run=133, turbo=133, PXbus=66, SDRAM=66 */ - {199100, 99500, 0x141, 0}, /* run=199, turbo=199, PXbus=99, SDRAM=99 */ - {265400, 132700, 0x143, 1}, /* run=265, turbo=265, PXbus=133, SDRAM=66 */ - {331800, 165900, 0x145, 1}, /* run=331, turbo=331, PXbus=166, SDRAM=83 */ - {398100, 99500, 0x161, 0}, /* run=398, turbo=398, PXbus=196, SDRAM=99 */ - {0,} + /* CPU MEMBUS CCCR DIV2 run turbo PXbus SDRAM */ + { 99500, 99500, 0x121, 1}, /* 99, 99, 50, 50 */ + {132700, 132700, 0x123, 1}, /* 133, 133, 66, 66 */ + {199100, 99500, 0x141, 0}, /* 199, 199, 99, 99 */ + {265400, 132700, 0x143, 1}, /* 265, 265, 133, 66 */ + {331800, 165900, 0x145, 1}, /* 331, 331, 166, 83 */ + {398100, 99500, 0x161, 0}, /* 398, 398, 196, 99 */ + {0,} }; #define NUM_RUN_FREQS ARRAY_SIZE(pxa255_run_freqs) @@ -88,17 +88,18 @@ static struct cpufreq_frequency_table pxa255_run_freq_table[NUM_RUN_FREQS+1]; /* Use the turbo mode frequencies for the CPUFREQ_POLICY_POWERSAVE policy */ static pxa_freqs_t pxa255_turbo_freqs[] = { - /* CPU MEMBUS CCCR DIV2*/ - { 99500, 99500, 0x121, 1}, /* run=99, turbo= 99, PXbus=50, SDRAM=50 */ - {199100, 99500, 0x221, 0}, /* run=99, turbo=199, PXbus=50, SDRAM=99 */ - {298500, 99500, 0x321, 0}, /* run=99, turbo=287, PXbus=50, SDRAM=99 */ - {298600, 99500, 0x1c1, 0}, /* run=199, turbo=287, PXbus=99, SDRAM=99 */ - {398100, 99500, 0x241, 0}, /* run=199, turbo=398, PXbus=99, SDRAM=99 */ - {0,} + /* CPU MEMBUS CCCR DIV2 run turbo PXbus SDRAM */ + { 99500, 99500, 0x121, 1}, /* 99, 99, 50, 50 */ + {199100, 99500, 0x221, 0}, /* 99, 199, 50, 99 */ + {298500, 99500, 0x321, 0}, /* 99, 287, 50, 99 */ + {298600, 99500, 0x1c1, 0}, /* 199, 287, 99, 99 */ + {398100, 99500, 0x241, 0}, /* 199, 398, 99, 99 */ + {0,} }; #define NUM_TURBO_FREQS ARRAY_SIZE(pxa255_turbo_freqs) -static struct cpufreq_frequency_table pxa255_turbo_freq_table[NUM_TURBO_FREQS+1]; +static struct cpufreq_frequency_table + pxa255_turbo_freq_table[NUM_TURBO_FREQS+1]; extern unsigned get_clk_frequency_khz(int info); @@ -122,14 +123,14 @@ static int pxa_verify_policy(struct cpufreq_policy *policy) if (freq_debug) pr_debug("Verified CPU policy: %dKhz min to %dKhz max\n", - policy->min, policy->max); + policy->min, policy->max); return ret; } static int pxa_set_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) + unsigned int target_freq, + unsigned int relation) { struct cpufreq_frequency_table *pxa_freqs_table; pxa_freqs_t *pxa_freq_settings; @@ -155,7 +156,7 @@ static int pxa_set_target(struct cpufreq_policy *policy, /* Lookup the next frequency */ if (cpufreq_frequency_table_target(policy, pxa_freqs_table, - target_freq, relation, &idx)) { + target_freq, relation, &idx)) { return -EINVAL; } @@ -164,10 +165,11 @@ static int pxa_set_target(struct cpufreq_policy *policy, freqs.cpu = policy->cpu; if (freq_debug) - pr_debug(KERN_INFO "Changing CPU frequency to %d Mhz, (SDRAM %d Mhz)\n", - freqs.new / 1000, (pxa_freq_settings[idx].div2) ? - (pxa_freq_settings[idx].membus / 2000) : - (pxa_freq_settings[idx].membus / 1000)); + pr_debug(KERN_INFO "Changing CPU frequency to %d Mhz, " + "(SDRAM %d Mhz)\n", + freqs.new / 1000, (pxa_freq_settings[idx].div2) ? + (pxa_freq_settings[idx].membus / 2000) : + (pxa_freq_settings[idx].membus / 1000)); /* * Tell everyone what we're about to do... @@ -177,16 +179,17 @@ static int pxa_set_target(struct cpufreq_policy *policy, cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); /* Calculate the next MDREFR. If we're slowing down the SDRAM clock - * we need to preset the smaller DRI before the change. If we're speeding - * up we need to set the larger DRI value after the change. + * we need to preset the smaller DRI before the change. If we're + * speeding up we need to set the larger DRI value after the change. */ preset_mdrefr = postset_mdrefr = MDREFR; - if ((MDREFR & MDREFR_DRI_MASK) > MDREFR_DRI(pxa_freq_settings[idx].membus)) { + if ((MDREFR & MDREFR_DRI_MASK) > + MDREFR_DRI(pxa_freq_settings[idx].membus)) { preset_mdrefr = (preset_mdrefr & ~MDREFR_DRI_MASK) | - MDREFR_DRI(pxa_freq_settings[idx].membus); + MDREFR_DRI(pxa_freq_settings[idx].membus); } postset_mdrefr = (postset_mdrefr & ~MDREFR_DRI_MASK) | - MDREFR_DRI(pxa_freq_settings[idx].membus); + MDREFR_DRI(pxa_freq_settings[idx].membus); /* If we're dividing the memory clock by two for the SDRAM clock, this * must be set prior to the change. Clearing the divide must be done @@ -207,7 +210,7 @@ static int pxa_set_target(struct cpufreq_policy *policy, asm volatile(" \n\ ldr r4, [%1] /* load MDREFR */ \n\ b 2f \n\ - .align 5 \n\ + .align 5 \n\ 1: \n\ str %4, [%1] /* preset the MDREFR */ \n\ mcr p14, 0, %2, c6, c0, 0 /* set CCLKCFG[FCS] */ \n\ @@ -217,10 +220,10 @@ static int pxa_set_target(struct cpufreq_policy *policy, 2: b 1b \n\ 3: nop \n\ " - : "=&r" (unused) - : "r" (&MDREFR), "r" (CCLKCFG_TURBO|CCLKCFG_FCS), "r" (ramstart), - "r" (preset_mdrefr), "r" (postset_mdrefr) - : "r4", "r5"); + : "=&r" (unused) + : "r" (&MDREFR), "r" (CCLKCFG_TURBO|CCLKCFG_FCS), "r" (ramstart), + "r" (preset_mdrefr), "r" (postset_mdrefr) + : "r4", "r5"); local_irq_restore(flags); /* @@ -248,7 +251,7 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.max_freq = PXA25x_MAX_FREQ; policy->cpuinfo.min_freq = PXA25x_MIN_FREQ; policy->cpuinfo.transition_latency = 1000; /* FIXME: 1 ms, assumed */ - policy->cur = get_clk_frequency_khz(0); /* current freq */ + policy->cur = get_clk_frequency_khz(0); /* current freq */ policy->min = policy->max = policy->cur; /* Generate the run cpufreq_frequency_table struct */ @@ -260,7 +263,8 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy) pxa255_run_freq_table[i].frequency = CPUFREQ_TABLE_END; /* Generate the turbo cpufreq_frequency_table struct */ for (i = 0; i < NUM_TURBO_FREQS; i++) { - pxa255_turbo_freq_table[i].frequency = pxa255_turbo_freqs[i].khz; + pxa255_turbo_freq_table[i].frequency = + pxa255_turbo_freqs[i].khz; pxa255_turbo_freq_table[i].index = i; } pxa255_turbo_freq_table[i].frequency = CPUFREQ_TABLE_END; @@ -293,8 +297,8 @@ static void __exit pxa_cpu_exit(void) } -MODULE_AUTHOR ("Intrinsyc Software Inc."); -MODULE_DESCRIPTION ("CPU frequency changing driver for the PXA architecture"); +MODULE_AUTHOR("Intrinsyc Software Inc."); +MODULE_DESCRIPTION("CPU frequency changing driver for the PXA architecture"); MODULE_LICENSE("GPL"); module_init(pxa_cpu_init); module_exit(pxa_cpu_exit); -- cgit v1.2.2