diff options
| author | Saravana Kannan <skannan@codeaurora.org> | 2014-04-10 16:46:25 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:03:40 -0700 |
| commit | d207221fad70a3dceeb33f358e4261afce2c3439 (patch) | |
| tree | adca5ada0063877717801b76b34caf013a4f1607 /drivers/devfreq | |
| parent | 780d69f72f4cf2be8faa74a662163bd569fe5ee7 (diff) | |
PM / devfreq: Use freq_table for available_frequencies
Some devices use freq_table instead of OPP. For those devices, the
available_frequencies file shows up empty. Fix that by using freq_table to
generate the available_frequencies data when OPP is not present.
Change-Id: Ibea8b388ee81c55d2eeddd8a1e2c18c91faed8c7
Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
Diffstat (limited to 'drivers/devfreq')
| -rw-r--r-- | drivers/devfreq/devfreq.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 60e2fd79894e..24ddf13214f0 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -994,19 +994,26 @@ static ssize_t available_frequencies_show(struct device *d, struct devfreq *df = to_devfreq(d); struct device *dev = df->dev.parent; struct dev_pm_opp *opp; + unsigned int i = 0, max_state = df->profile->max_state; + bool use_opp; ssize_t count = 0; unsigned long freq = 0; rcu_read_lock(); + use_opp = dev_pm_opp_get_opp_count(dev) > 0; do { - opp = dev_pm_opp_find_freq_ceil(dev, &freq); - if (IS_ERR(opp)) - break; + if (use_opp) { + opp = dev_pm_opp_find_freq_ceil(dev, &freq); + if (IS_ERR(opp)) + break; + } else { + freq = df->profile->freq_table[i++]; + } count += scnprintf(&buf[count], (PAGE_SIZE - count - 2), "%lu ", freq); freq++; - } while (1); + } while (use_opp || (!use_opp && i < max_state)); rcu_read_unlock(); /* Truncate the trailing space */ |