mirror of
https://github.com/torvalds/linux.git
synced 2024-12-07 03:21:32 +00:00
PM / clock_ops: report clock errors from clk_enable()
If clk_enable() fails, then print a message so that the user can see what is happening instead of silently failing to enable the clock. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Reviewed-by: Ian Molton <ian.molton@codethink.co.uk> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
parent
afdd3ab315
commit
5cda3fbb15
@ -32,6 +32,21 @@ struct pm_clock_entry {
|
||||
enum pce_status status;
|
||||
};
|
||||
|
||||
/**
|
||||
* pm_clk_enable - Enable a clock, reporting any errors
|
||||
* @dev: The device for the given clock
|
||||
* @clk: The clock being enabled.
|
||||
*/
|
||||
static inline int __pm_clk_enable(struct device *dev, struct clk *clk)
|
||||
{
|
||||
int ret = clk_enable(clk);
|
||||
if (ret)
|
||||
dev_err(dev, "%s: failed to enable clk %p, error %d\n",
|
||||
__func__, clk, ret);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* pm_clk_acquire - Acquire a device clock.
|
||||
* @dev: Device whose clock is to be acquired.
|
||||
@ -263,7 +278,7 @@ int pm_clk_resume(struct device *dev)
|
||||
|
||||
list_for_each_entry(ce, &psd->clock_list, node) {
|
||||
if (ce->status < PCE_STATUS_ERROR) {
|
||||
ret = clk_enable(ce->clk);
|
||||
ret = __pm_clk_enable(dev, ce->clk);
|
||||
if (!ret)
|
||||
ce->status = PCE_STATUS_ENABLED;
|
||||
}
|
||||
@ -381,7 +396,7 @@ int pm_clk_resume(struct device *dev)
|
||||
spin_lock_irqsave(&psd->lock, flags);
|
||||
|
||||
list_for_each_entry(ce, &psd->clock_list, node)
|
||||
clk_enable(ce->clk);
|
||||
__pm_clk_enable(dev, ce->clk);
|
||||
|
||||
spin_unlock_irqrestore(&psd->lock, flags);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user