Messages in this thread | | | Subject | Re: [PATCH 1/2] UPSTREAM: usb: roles: Switch on role-switch uevent reporting | From | Bryan O'Donoghue <> | Date | Mon, 18 May 2020 17:18:12 +0100 |
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On 18/05/2020 17:14, Bryan O'Donoghue wrote: > Right now we don't report to user-space a role switch when doing a > usb_role_switch_set_role() despite having registered the uevent callbacks. > > This patch switches on the notifications allowing user-space to see > role-switch change notifications and subsequently determine the current > controller data-role. > > example: > PFX=/devices/platform/soc/78d9000.usb/ci_hdrc.0 > > root@somebox# udevadm monitor -p > > KERNEL[49.894994] change $PFX/usb_role/ci_hdrc.0-role-switch (usb_role) > ACTION=change > DEVPATH=$PFX/usb_role/ci_hdrc.0-role-switch > SUBSYSTEM=usb_role > DEVTYPE=usb_role_switch > USB_ROLE_SWITCH=ci_hdrc.0-role-switch > SEQNUM=2432 > > Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> > Cc: Suzuki K Poulose <suzuki.poulose@arm.com> > Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> > Cc: Wen Yang <wenyang@linux.alibaba.com> > Cc: chenqiwu <chenqiwu@xiaomi.com> > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> > Link: https://lore.kernel.org/r/20200508162937.2566818-1-bryan.odonoghue@linaro.org > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > [cherry-pick commit 3e63cff384e625f09758ce8f4d01ae3033402b63 upstream] > Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
oops, applying this to a local tree.
Please ignore
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