github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 11:03:43 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

usb: cdns3: call cdns_power_is_lost() only once in cdns_resume()

Browse Source 
cdns_power_is_lost() does a register read.
Call it only once rather than twice.

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://lore.kernel.org/r/20250205-s2r-cdns-v7-4-13658a271c3c@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Théo Lebrun 2025-02-05 18:36:49 +01:00 committed by Greg Kroah-Hartman
parent 0bde749c58
commit 17c6526b33
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/usb/cdns3/core.c
View File

@ -524,11 +524,12 @@ EXPORT_SYMBOL_GPL(cdns_suspend);
int cdns_resume(struct cdns *cdns)
{
bool power_lost = cdns_power_is_lost(cdns);
enum usb_role real_role;
bool role_changed = false;
int ret = 0;
if (cdns_power_is_lost(cdns)) {
if (power_lost) {
if (!cdns->role_sw) {
real_role = cdns_hw_role_state_machine(cdns);
if (real_role != cdns->role) {
@ -551,7 +552,7 @@ int cdns_resume(struct cdns *cdns)
}
if (cdns->roles[cdns->role]->resume)
cdns->roles[cdns->role]->resume(cdns, cdns_power_is_lost(cdns));
cdns->roles[cdns->role]->resume(cdns, power_lost);
return 0;
}