typedef is not really useful here. Replace it by structure
to improve readability. typedef should only be used in some cases.
(See Documentation/CodingStyle Chapter 5 for details).
Signed-off-by: Fabian Frederick <[email protected]>
---
Compiled but untested.
V3: -constify arrays(patch 2) (suggested by Joe Perches)
-fix typo in changelog (thanks to Viresh Kumar)
V2: -verbose changelog.
drivers/cpufreq/pxa2xx-cpufreq.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/cpufreq/pxa2xx-cpufreq.c b/drivers/cpufreq/pxa2xx-cpufreq.c
index e24269a..fcf6e34 100644
--- a/drivers/cpufreq/pxa2xx-cpufreq.c
+++ b/drivers/cpufreq/pxa2xx-cpufreq.c
@@ -56,7 +56,7 @@ module_param(pxa27x_maxfreq, uint, 0);
MODULE_PARM_DESC(pxa27x_maxfreq, "Set the pxa27x maxfreq in MHz"
"(typically 624=>pxa270, 416=>pxa271, 520=>pxa272)");
-typedef struct {
+struct pxa_freqs {
unsigned int khz;
unsigned int membus;
unsigned int cccr;
@@ -64,7 +64,7 @@ typedef struct {
unsigned int cclkcfg;
int vmin;
int vmax;
-} pxa_freqs_t;
+};
/* Define the refresh period in mSec for the SDRAM and the number of rows */
#define SDRAM_TREF 64 /* standard 64ms SDRAM */
@@ -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 pxa_freqs_t pxa255_run_freqs[] =
+static 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 pxa_freqs_t pxa255_run_freqs[] =
};
/* Use the turbo mode frequencies for the CPUFREQ_POLICY_POWERSAVE policy */
-static pxa_freqs_t pxa255_turbo_freqs[] =
+static 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 */
@@ -153,7 +153,7 @@ MODULE_PARM_DESC(pxa255_turbo_table, "Selects the frequency table (0 = run table
((HT) ? CCLKCFG_HALFTURBO : 0) | \
((T) ? CCLKCFG_TURBO : 0))
-static pxa_freqs_t pxa27x_freqs[] = {
+static struct pxa_freqs pxa27x_freqs[] = {
{104000, 104000, PXA27x_CCCR(1, 8, 2), 0, CCLKCFG2(1, 0, 1), 900000, 1705000 },
{156000, 104000, PXA27x_CCCR(1, 8, 3), 0, CCLKCFG2(1, 0, 1), 1000000, 1705000 },
{208000, 208000, PXA27x_CCCR(0, 16, 2), 1, CCLKCFG2(0, 0, 1), 1180000, 1705000 },
@@ -171,7 +171,7 @@ extern unsigned get_clk_frequency_khz(int info);
#ifdef CONFIG_REGULATOR
-static int pxa_cpufreq_change_voltage(pxa_freqs_t *pxa_freq)
+static int pxa_cpufreq_change_voltage(struct pxa_freqs *pxa_freq)
{
int ret = 0;
int vmin, vmax;
@@ -202,7 +202,7 @@ static void __init pxa_cpufreq_init_voltages(void)
}
}
#else
-static int pxa_cpufreq_change_voltage(pxa_freqs_t *pxa_freq)
+static int pxa_cpufreq_change_voltage(struct pxa_freqs *pxa_freq)
{
return 0;
}
@@ -211,7 +211,7 @@ static void __init pxa_cpufreq_init_voltages(void) { }
#endif
static void find_freq_tables(struct cpufreq_frequency_table **freq_table,
- pxa_freqs_t **pxa_freqs)
+ 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;
- pxa_freqs_t *pxa_freq_settings;
+ 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;
- pxa_freqs_t *pxa255_freqs;
+ struct pxa_freqs *pxa255_freqs;
/* try to guess pxa27x cpu */
if (cpu_is_pxa27x())
--
1.9.1
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 <[email protected]>
Signed-off-by: Fabian Frederick <[email protected]>
---
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
On 1 May 2015 at 14:04, Fabian Frederick <[email protected]> wrote:
> typedef is not really useful here. Replace it by structure
> to improve readability. typedef should only be used in some cases.
> (See Documentation/CodingStyle Chapter 5 for details).
>
> Signed-off-by: Fabian Frederick <[email protected]>
> ---
> Compiled but untested.
>
> V3: -constify arrays(patch 2) (suggested by Joe Perches)
> -fix typo in changelog (thanks to Viresh Kumar)
> V2: -verbose changelog.
>
> drivers/cpufreq/pxa2xx-cpufreq.c | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
For both patches:
Acked-by: Viresh Kumar <[email protected]>
On Friday, May 01, 2015 08:31:19 PM Viresh Kumar wrote:
> On 1 May 2015 at 14:04, Fabian Frederick <[email protected]> wrote:
> > typedef is not really useful here. Replace it by structure
> > to improve readability. typedef should only be used in some cases.
> > (See Documentation/CodingStyle Chapter 5 for details).
> >
> > Signed-off-by: Fabian Frederick <[email protected]>
> > ---
> > Compiled but untested.
> >
> > V3: -constify arrays(patch 2) (suggested by Joe Perches)
> > -fix typo in changelog (thanks to Viresh Kumar)
> > V2: -verbose changelog.
> >
> > drivers/cpufreq/pxa2xx-cpufreq.c | 20 ++++++++++----------
> > 1 file changed, 10 insertions(+), 10 deletions(-)
>
> For both patches:
>
> Acked-by: Viresh Kumar <[email protected]>
Both queued up for 4.2, thanks!
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.