diff options
| author | Alex Frid <afrid@nvidia.com> | 2014-02-10 23:21:34 -0800 |
|---|---|---|
| committer | Yu-Huan Hsu <yhsu@nvidia.com> | 2014-02-14 12:27:06 -0800 |
| commit | 52c313411df9e6b68b9a30fbdb8403eb42a5a999 (patch) | |
| tree | adf36fca4afc10ee33a3bf010aca08ea30c5bdde /drivers/regulator | |
| parent | 0b281596185e8de4c505d1336f4f1fb7a3f45939 (diff) | |
regulator: Add VSEL attribute callback to DFLL bypass
Added callback to set DFLL bypass voltage selector registers access
attribute as volatile (cached access is not supported).
Bug 1454969
Change-Id: I3800f72bd6196a54bc3b34b71a274fa344c2f0f5
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/367356
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/tegra-dfll-bypass-regulator.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/regulator/tegra-dfll-bypass-regulator.c b/drivers/regulator/tegra-dfll-bypass-regulator.c index dd61e570836f..ecd5236e57a8 100644 --- a/drivers/regulator/tegra-dfll-bypass-regulator.c +++ b/drivers/regulator/tegra-dfll-bypass-regulator.c @@ -134,6 +134,12 @@ static unsigned int tegra_dfll_bypass_get_mode(struct regulator_dev *reg) return REGULATOR_MODE_IDLE; } +static int tegra_dfll_bypass_set_vsel_volatile(struct regulator_dev *reg, + bool is_volatile) +{ + return is_volatile ? 0 : -EINVAL; /* no VSEL cache */ +} + static struct regulator_ops tegra_dfll_bypass_rops = { .set_voltage = tegra_dfll_bypass_set_voltage, .get_voltage = tegra_dfll_bypass_get_voltage, @@ -142,6 +148,7 @@ static struct regulator_ops tegra_dfll_bypass_rops = { .set_voltage_time_sel = tegra_dfll_bypass_set_voltage_time_sel, .set_mode = tegra_dfll_bypass_set_mode, .get_mode = tegra_dfll_bypass_get_mode, + .set_vsel_volatile = tegra_dfll_bypass_set_vsel_volatile, }; static struct of_device_id of_tegra_dfll_bypass_pwm_match_tbl[] = { |