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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:15 +0000
commit68c1b0995e963349e50f8a8b00ebc140908f7882 (patch)
treeae3788542761985ee15e3d1ca439706040d1eb0c /drivers/usb/chipidea/otg.c
parentReleasing progress-linux version 4.19.269-1progress5u1. (diff)
downloadlinux-68c1b0995e963349e50f8a8b00ebc140908f7882.tar.xz
linux-68c1b0995e963349e50f8a8b00ebc140908f7882.zip
Merging upstream version 4.19.282.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/chipidea/otg.c')
-rw-r--r--drivers/usb/chipidea/otg.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
index f25d4827f..a714cf3f0 100644
--- a/drivers/usb/chipidea/otg.c
+++ b/drivers/usb/chipidea/otg.c
@@ -164,8 +164,10 @@ static int hw_wait_vbus_lower_bsv(struct ci_hdrc *ci)
static void ci_handle_id_switch(struct ci_hdrc *ci)
{
- enum ci_role role = ci_otg_role(ci);
+ enum ci_role role;
+ mutex_lock(&ci->mutex);
+ role = ci_otg_role(ci);
if (role != ci->role) {
dev_dbg(ci->dev, "switching from %s to %s\n",
ci_role(ci)->name, ci->roles[role]->name);
@@ -188,6 +190,7 @@ static void ci_handle_id_switch(struct ci_hdrc *ci)
if (role == CI_ROLE_GADGET)
ci_handle_vbus_change(ci);
}
+ mutex_unlock(&ci->mutex);
}
/**
* ci_otg_work - perform otg (vbus/id) event handle