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authorPeter Chen <peter.chen@nxp.com>2018-06-06 04:43:27 +0300
committerPeter Chen <peter.chen@nxp.com>2018-06-26 04:59:34 +0300
commit90f26cc6bb90b35040f4da0347f480ea9df6e2fc (patch)
tree9a547ca08bdb535009083aefdc79ec663ea6132e
parentd5a4f93511b7000183c0d528739b824752139f79 (diff)
downloadlinux-90f26cc6bb90b35040f4da0347f480ea9df6e2fc.tar.xz
usb: chipidea: host: fix disconnection detect issue
The commit 4e88d4c08301 ("usb: add a flag to skip PHY initialization to struct usb_hcd") delete the assignment for hcd->usb_phy, it causes usb_phy_notify_connect{disconnect) are not called, the USB PHY driver is not notified of hot plug event, then the disconnection will not be detected by hardware. Fixes: 4e88d4c08301 ("usb: add a flag to skip PHY initialization to struct usb_hcd") Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reported-by: Mats Karrman <mats.dev.list@gmail.com> Tested-by: Mats Karrman <mats.dev.list@gmail.com> Signed-off-by: Peter Chen <peter.chen@nxp.com>
-rw-r--r--drivers/usb/chipidea/host.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index af45aa3222b5..4638d9b066be 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -124,8 +124,11 @@ static int host_start(struct ci_hdrc *ci)
hcd->power_budget = ci->platdata->power_budget;
hcd->tpl_support = ci->platdata->tpl_support;
- if (ci->phy || ci->usb_phy)
+ if (ci->phy || ci->usb_phy) {
hcd->skip_phy_initialization = 1;
+ if (ci->usb_phy)
+ hcd->usb_phy = ci->usb_phy;
+ }
ehci = hcd_to_ehci(hcd);
ehci->caps = ci->hw_bank.cap;