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Subject[PATCH V3 2/2 linux-next] cpufreq: pxa: make pxa_freqs arrays const
Date
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>
---
Compiled but untested.

drivers/cpufreq/pxa2xx-cpufreq.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/cpufreq/pxa2xx-cpufreq.c b/drivers/cpufreq/pxa2xx-cpufreq.c
index fcf6e34..1d99c97 100644
--- 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())
--
1.9.1


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