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Diffstat (limited to 'packages/linux/linux-2.6.21/bugfix-pxa-cpufreq.patch')
-rw-r--r--packages/linux/linux-2.6.21/bugfix-pxa-cpufreq.patch64
1 files changed, 64 insertions, 0 deletions
diff --git a/packages/linux/linux-2.6.21/bugfix-pxa-cpufreq.patch b/packages/linux/linux-2.6.21/bugfix-pxa-cpufreq.patch
new file mode 100644
index 0000000000..27388ca9ef
--- /dev/null
+++ b/packages/linux/linux-2.6.21/bugfix-pxa-cpufreq.patch
@@ -0,0 +1,64 @@
+Index: linux-2.6.21gum/arch/arm/mach-pxa/cpu-pxa.c
+===================================================================
+--- linux-2.6.21gum.orig/arch/arm/mach-pxa/cpu-pxa.c
++++ linux-2.6.21gum/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 */