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reset: sti: Provide ops .status() call-back 

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Lee Jones 2015-10-26 10:56:09 +00:00 committed by Philipp Zabel
parent 1a539387b7
commit 9a4cc897fd
1 changed files with 23 additions and 0 deletions
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23
drivers/reset/sti/reset-syscfg.c
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@ -110,10 +110,33 @@ static int syscfg_reset_dev(struct reset_controller_dev *rcdev,
return syscfg_reset_deassert(rcdev, idx);
}
static int syscfg_reset_status(struct reset_controller_dev *rcdev,
unsigned long idx)
{
struct syscfg_reset_controller *rst = to_syscfg_reset_controller(rcdev);
const struct syscfg_reset_channel *ch;
u32 ret_val = 0;
int err;
if (idx >= rcdev->nr_resets)
return -EINVAL;
ch = &rst->channels[idx];
if (ch->ack)
err = regmap_field_read(ch->ack, &ret_val);
else
err = regmap_field_read(ch->reset, &ret_val);
if (err)
return err;
return rst->active_low ? !ret_val : !!ret_val;
}
static struct reset_control_ops syscfg_reset_ops = {
.reset = syscfg_reset_dev,
.assert = syscfg_reset_assert,
.deassert = syscfg_reset_deassert,
.status = syscfg_reset_status,
};
static int syscfg_reset_controller_register(struct device *dev,