Hi viresh,
My apologies. I realize that i have messed it up a quite a few places. Surely
with the checkpatch as well. I will send a v2 with corrections.
On 06/27/2016 12:00 PM, Viresh Kumar wrote:
Hi Akshay,
Did you try running checkpatch for this?
On 24-06-16, 19:33, Akshay Adiga wrote:
diff --git a/drivers/cpufreq/powernv-cpufreq.c
b/drivers/cpufreq/powernv-cpufreq.c
index b29c5c2..f6ce6f0 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -43,6 +43,7 @@
#define PMSR_SPR_EM_DISABLE (1UL << 31)
#define PMSR_MAX(x) ((x >> 32) & 0xFF)
+
?
#define MAX_RAMP_DOWN_TIME 5120
/*
* On an idle system we want the global pstate to ramp-down from max value to
@@ -124,20 +125,29 @@ static int nr_chips;
static DEFINE_PER_CPU(struct chip *, chip_info);
/*
- * Note: The set of pstates consists of contiguous integers, the
- * smallest of which is indicated by powernv_pstate_info.min, the
- * largest of which is indicated by powernv_pstate_info.max.
+ * Note: The set of pstates consists of contiguous integers,
+ *
+ * powernv_pstate_info stores the index of the frequency table
+ * instead of pstate itself for each of the pstates referred
*
* The nominal pstate is the highest non-turbo pstate in this
* platform. This is indicated by powernv_pstate_info.nominal.
*/
static struct powernv_pstate_info {
- int min;
- int max;
- int nominal;
- int nr_pstates;
+ unsigned int min;
+ unsigned int max;
+ unsigned int nominal;
+ unsigned int nr_pstates;
} powernv_pstate_info;
+/* Use following macros for conversions between pstate_id and index */
+static inline int get_pstate(unsigned int i) {
Read coding-styles please on how to write functions.
+ return powernv_freqs[i].driver_data;
+}
Add a blank line here please.
+static inline unsigned int get_index(int pstate) {
+ return abs(pstate - get_pstate(powernv_pstate_info.max));
+}
+
static inline void reset_gpstates(struct cpufreq_policy *policy)
{
struct global_pstate_info *gpstates = policy->driver_data;
@@ -208,23 +218,28 @@ static int init_powernv_pstates(void)
return -ENODEV;
}
+ powernv_pstate_info.nr_pstates = nr_pstates;
pr_debug("NR PStates %d\n", nr_pstates);
for (i = 0; i < nr_pstates; i++) {
u32 id = be32_to_cpu(pstate_ids[i]);
u32 freq = be32_to_cpu(pstate_freqs[i]);
- pr_debug("PState id %d freq %d MHz\n", id, freq);
?
powernv_freqs[i].frequency = freq * 1000; /* kHz */
powernv_freqs[i].driver_data = id;
Will it be possible for Shilpa who was earlier on this to review this patch? As
we don't really have great knowledge of the internals of this driver.
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