cpufreq: pxa: make pxa_freqs arrays const

pxa255_run_freqs and pxa255_turbo_freqs are only read.
This patch updates arrays declaration, find_freq_tables()
and its callsites.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/pxa2xx-cpufreq.c b/drivers/cpufreq/pxa2xx-cpufreq.c
index fcf6e342da4cab1835ceda50d294a48076d3a6ad..1d99c97defa9204f52ad8605fd5f25c1d2ad0540 100644 (file)
--- a/drivers/cpufreq/pxa2xx-cpufreq.c
+++ b/drivers/cpufreq/pxa2xx-cpufreq.c
@@ -86,7 +86,7 @@ static unsigned int sdram_rows;
 /* Use the run mode frequencies for the CPUFREQ_POLICY_PERFORMANCE policy */
 #define CCLKCFG                        CCLKCFG_TURBO | CCLKCFG_FCS
 
-static struct pxa_freqs pxa255_run_freqs[] =
+static const struct pxa_freqs pxa255_run_freqs[] =
 {
        /* CPU   MEMBUS  CCCR  DIV2 CCLKCFG                run  turbo PXbus SDRAM */
        { 99500,  99500, 0x121, 1,  CCLKCFG, -1, -1},   /*  99,   99,   50,   50  */
@@ -98,7 +98,7 @@ static struct pxa_freqs pxa255_run_freqs[] =
 };
 
 /* Use the turbo mode frequencies for the CPUFREQ_POLICY_POWERSAVE policy */
-static struct pxa_freqs pxa255_turbo_freqs[] =
+static const struct pxa_freqs pxa255_turbo_freqs[] =
 {
        /* CPU   MEMBUS  CCCR  DIV2 CCLKCFG        run  turbo PXbus SDRAM */
        { 99500, 99500,  0x121, 1,  CCLKCFG, -1, -1},   /*  99,   99,   50,   50  */
@@ -171,7 +171,7 @@ extern unsigned get_clk_frequency_khz(int info);
 
 #ifdef CONFIG_REGULATOR
 
-static int pxa_cpufreq_change_voltage(struct pxa_freqs *pxa_freq)
+static int pxa_cpufreq_change_voltage(const struct pxa_freqs *pxa_freq)
 {
        int ret = 0;
        int vmin, vmax;
@@ -211,7 +211,7 @@ static void __init pxa_cpufreq_init_voltages(void) { }
 #endif
 
 static void find_freq_tables(struct cpufreq_frequency_table **freq_table,
-                            struct pxa_freqs **pxa_freqs)
+                            const struct pxa_freqs **pxa_freqs)
 {
        if (cpu_is_pxa25x()) {
                if (!pxa255_turbo_table) {
@@ -270,7 +270,7 @@ static unsigned int pxa_cpufreq_get(unsigned int cpu)
 static int pxa_set_target(struct cpufreq_policy *policy, unsigned int idx)
 {
        struct cpufreq_frequency_table *pxa_freqs_table;
-       struct pxa_freqs *pxa_freq_settings;
+       const struct pxa_freqs *pxa_freq_settings;
        unsigned long flags;
        unsigned int new_freq_cpu, new_freq_mem;
        unsigned int unused, preset_mdrefr, postset_mdrefr, cclkcfg;
@@ -361,7 +361,7 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy)
        int i;
        unsigned int freq;
        struct cpufreq_frequency_table *pxa255_freq_table;
-       struct pxa_freqs *pxa255_freqs;
+       const struct pxa_freqs *pxa255_freqs;
 
        /* try to guess pxa27x cpu */
        if (cpu_is_pxa27x())