Merge tag 'devfreq-fixes-for-5.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel...

Pull devfreq updates for 5.9-rc7 from Chanwoo Choi:

"1. Update devfreq core
  - Add missing timer type to devfreq_summary debugfs node.

 2. Fix devfreq device driver
  - Fix the exception handling about clock on tegra30-devfreq.c"

* tag 'devfreq-fixes-for-5.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux:
  PM / devfreq: tegra30: Disable clock on error in probe
  PM / devfreq: Add timer type to devfreq_summary debugfs

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 561d91b..071b59f 100644 (file)
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -1766,20 +1766,23 @@ static int devfreq_summary_show(struct seq_file *s, void *data)
        struct devfreq *p_devfreq = NULL;
        unsigned long cur_freq, min_freq, max_freq;
        unsigned int polling_ms;
+       unsigned int timer;
 
-       seq_printf(s, "%-30s %-30s %-15s %10s %12s %12s %12s\n",
+       seq_printf(s, "%-30s %-30s %-15s %-10s %10s %12s %12s %12s\n",
                        "dev",
                        "parent_dev",
                        "governor",
+                       "timer",
                        "polling_ms",
                        "cur_freq_Hz",
                        "min_freq_Hz",
                        "max_freq_Hz");
-       seq_printf(s, "%30s %30s %15s %10s %12s %12s %12s\n",
+       seq_printf(s, "%30s %30s %15s %10s %10s %12s %12s %12s\n",
                        "------------------------------",
                        "------------------------------",
                        "---------------",
                        "----------",
+                       "----------",
                        "------------",
                        "------------",
                        "------------");
@@ -1803,13 +1806,15 @@ static int devfreq_summary_show(struct seq_file *s, void *data)
                cur_freq = devfreq->previous_freq;
                get_freq_range(devfreq, &min_freq, &max_freq);
                polling_ms = devfreq->profile->polling_ms;
+               timer = devfreq->profile->timer;
                mutex_unlock(&devfreq->lock);
 
                seq_printf(s,
-                       "%-30s %-30s %-15s %10d %12ld %12ld %12ld\n",
+                       "%-30s %-30s %-15s %-10s %10d %12ld %12ld %12ld\n",
                        dev_name(&devfreq->dev),
                        p_devfreq ? dev_name(&p_devfreq->dev) : "null",
                        devfreq->governor_name,
+                       polling_ms ? timer_name[timer] : "null",
                        polling_ms,
                        cur_freq,
                        min_freq,

diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index e94a278..dedd39d 100644 (file)
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -836,7 +836,8 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
        rate = clk_round_rate(tegra->emc_clock, ULONG_MAX);
        if (rate < 0) {
                dev_err(&pdev->dev, "Failed to round clock rate: %ld\n", rate);
-               return rate;
+               err = rate;
+               goto disable_clk;
        }
 
        tegra->max_freq = rate / KHZ;
@@ -897,6 +898,7 @@ remove_opps:
        dev_pm_opp_remove_all_dynamic(&pdev->dev);
 
        reset_control_reset(tegra->reset);
+disable_clk:
        clk_disable_unprepare(tegra->clock);
 
        return err;