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Prashanth K 2333653ef8 usb: dwc3: gadget: Move vbus draw to workqueue context
[ Upstream commit 54aaa3b387 ]

Currently dwc3_gadget_vbus_draw() can be called from atomic
context, which in turn invokes power-supply-core APIs. And
some these PMIC APIs have operations that may sleep, leading
to kernel panic.

Fix this by moving the vbus_draw into a workqueue context.

Fixes: 99288de360 ("usb: dwc3: add an alternate path in vbus_draw callback")
Cc: stable <stable@kernel.org>
Tested-by: Samuel Wu <wusamuel@google.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Prashanth K <prashanth.k@oss.qualcomm.com>
Link: https://patch.msgid.link/20260204054155.3063825-1-prashanth.k@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-03-04 07:21:23 -05:00
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Linux kernel
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There are several guides for kernel developers and users. These guides can
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