openwrt/target/linux/pxa/patches-2.6.21/022-bugfix-pxa-cpufreq.patch

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Index: linux-2.6.21.7/arch/arm/mach-pxa/cpu-pxa.c
===================================================================
--- linux-2.6.21.7.orig/arch/arm/mach-pxa/cpu-pxa.c
+++ linux-2.6.21.7/arch/arm/mach-pxa/cpu-pxa.c
@@ -60,7 +60,7 @@ typedef struct
/* 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 SDRAM_ROWS 8192 /* 64MB=8192 32MB=4096 */
#define MDREFR_DRI(x) ((x*SDRAM_TREF)/(SDRAM_ROWS*32))
#define CCLKCFG_TURBO 0x1
@@ -136,7 +136,7 @@ static int pxa_set_target(struct cpufreq
unsigned int relation)
{
int idx;
- unsigned long cpus_allowed;
+ cpumask_t cpus_allowed;
int cpu = policy->cpu;
struct cpufreq_freqs freqs;
pxa_freqs_t *pxa_freq_settings;
@@ -144,6 +144,7 @@ static int pxa_set_target(struct cpufreq
unsigned long flags;
unsigned int unused;
unsigned int preset_mdrefr, postset_mdrefr;
+ void *ramstart;
/*
* Save this threads cpus_allowed mask.
@@ -154,7 +155,7 @@ static int pxa_set_target(struct cpufreq
* Bind to the specified CPU. When this call returns,
* we should be running on the right CPU.
*/
- set_cpus_allowed(current, 1 << cpu);
+ set_cpus_allowed(current, cpumask_of_cpu(cpu));
BUG_ON(cpu != smp_processor_id());
/* Get the current policy */
@@ -187,7 +188,7 @@ static int pxa_set_target(struct cpufreq
(pxa_freq_settings[idx].membus/1000));
}
- void *ramstart = phys_to_virt(0xa0000000);
+ ramstart = phys_to_virt(0xa0000000);
/*
* Tell everyone what we're about to do...
@@ -260,13 +261,13 @@ static int pxa_set_target(struct cpufreq
static int pxa_cpufreq_init(struct cpufreq_policy *policy)
{
- unsigned long cpus_allowed;
+ cpumask_t cpus_allowed;
unsigned int cpu = policy->cpu;
int i;
cpus_allowed = current->cpus_allowed;
- set_cpus_allowed(current, 1 << cpu);
+ set_cpus_allowed(current, cpumask_of_cpu(cpu));
BUG_ON(cpu != smp_processor_id());
/* set default policy and cpuinfo */