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authorThinh Nguyen <thinh.nguyen@synopsys.com>2018-11-08 05:10:42 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-11-26 10:06:31 +0300
commit022a0208c0ff038f8970a71cb298f85722b4a0ef (patch)
tree07206c07876b774feb1f2be1d1393572fa53cf44 /drivers/usb/dwc3/host.c
parent5455e156078bfcb72505f59b933c9ef726351e2b (diff)
downloadlinux-022a0208c0ff038f8970a71cb298f85722b4a0ef.tar.xz
usb: dwc3: Support option to disable USB2 LPM
Support the option to disable USB2 LPM. Set xhci "usb2-lpm-disable" property via "snps,usb2-lpm-disable" property. Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/host.c')
-rw-r--r--drivers/usb/dwc3/host.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index 1a3878a3be78..f55947294f7c 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -46,7 +46,7 @@ out:
int dwc3_host_init(struct dwc3 *dwc)
{
- struct property_entry props[3];
+ struct property_entry props[4];
struct platform_device *xhci;
int ret, irq;
struct resource *res;
@@ -93,6 +93,9 @@ int dwc3_host_init(struct dwc3 *dwc)
if (dwc->usb3_lpm_capable)
props[prop_idx++].name = "usb3-lpm-capable";
+ if (dwc->usb2_lpm_disable)
+ props[prop_idx++].name = "usb2-lpm-disable";
+
/**
* WORKAROUND: dwc3 revisions <=3.00a have a limitation
* where Port Disable command doesn't work.