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| author | Christoph Niedermaier <cniedermaier@dh-electronics.com> | 2023-05-12 17:07:11 +0200 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2023-05-15 14:42:33 +0530 |
| commit | 11a3b0ac33d95aa84be426e801f800997262a225 (patch) | |
| tree | 10e09ad65187af7c6e722d80a4a1c58753d20402 /drivers/cpufreq | |
| parent | dcfce7c2cee481853e7717890e1e2d6daba354c4 (diff) | |
| download | linux-stable-11a3b0ac33d95aa84be426e801f800997262a225.tar.gz linux-stable-11a3b0ac33d95aa84be426e801f800997262a225.tar.bz2 linux-stable-11a3b0ac33d95aa84be426e801f800997262a225.zip | |
cpufreq: imx6q: don't warn for disabling a non-existing frequency
It is confusing if a warning is given for disabling a non-existent
frequency of the operating performance points (OPP). In this case
the function dev_pm_opp_disable() returns -ENODEV. Check the return
value and avoid the output of a warning in this case. Avoid code
duplication by using a separate function.
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
[ Viresh : Updated commit subject ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/imx6q-cpufreq.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 48e1772e98fd..9fb1501033bb 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -209,6 +209,14 @@ static struct cpufreq_driver imx6q_cpufreq_driver = { .suspend = cpufreq_generic_suspend, }; +static void imx6x_disable_freq_in_opp(struct device *dev, unsigned long freq) +{ + int ret = dev_pm_opp_disable(dev, freq); + + if (ret < 0 && ret != -ENODEV) + dev_warn(dev, "failed to disable %ldMHz OPP\n", freq / 1000000); +} + #define OCOTP_CFG3 0x440 #define OCOTP_CFG3_SPEED_SHIFT 16 #define OCOTP_CFG3_SPEED_1P2GHZ 0x3 @@ -254,17 +262,15 @@ static int imx6q_opp_check_speed_grading(struct device *dev) val &= 0x3; if (val < OCOTP_CFG3_SPEED_996MHZ) - if (dev_pm_opp_disable(dev, 996000000)) - dev_warn(dev, "failed to disable 996MHz OPP\n"); + imx6x_disable_freq_in_opp(dev, 996000000); if (of_machine_is_compatible("fsl,imx6q") || of_machine_is_compatible("fsl,imx6qp")) { if (val != OCOTP_CFG3_SPEED_852MHZ) - if (dev_pm_opp_disable(dev, 852000000)) - dev_warn(dev, "failed to disable 852MHz OPP\n"); + imx6x_disable_freq_in_opp(dev, 852000000); + if (val != OCOTP_CFG3_SPEED_1P2GHZ) - if (dev_pm_opp_disable(dev, 1200000000)) - dev_warn(dev, "failed to disable 1.2GHz OPP\n"); + imx6x_disable_freq_in_opp(dev, 1200000000); } return 0; @@ -316,20 +322,16 @@ static int imx6ul_opp_check_speed_grading(struct device *dev) val >>= OCOTP_CFG3_SPEED_SHIFT; val &= 0x3; - if (of_machine_is_compatible("fsl,imx6ul")) { + if (of_machine_is_compatible("fsl,imx6ul")) if (val != OCOTP_CFG3_6UL_SPEED_696MHZ) - if (dev_pm_opp_disable(dev, 696000000)) - dev_warn(dev, "failed to disable 696MHz OPP\n"); - } + imx6x_disable_freq_in_opp(dev, 696000000); if (of_machine_is_compatible("fsl,imx6ull")) { if (val != OCOTP_CFG3_6ULL_SPEED_792MHZ) - if (dev_pm_opp_disable(dev, 792000000)) - dev_warn(dev, "failed to disable 792MHz OPP\n"); + imx6x_disable_freq_in_opp(dev, 792000000); if (val != OCOTP_CFG3_6ULL_SPEED_900MHZ) - if (dev_pm_opp_disable(dev, 900000000)) - dev_warn(dev, "failed to disable 900MHz OPP\n"); + imx6x_disable_freq_in_opp(dev, 900000000); } return ret; |