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[meta-oe] android-tools-conf-configfs: handle multiple UDC controllers

Message ID 20260123094603.2835-2-shoudil@qti.qualcomm.com
State New
Headers show
Series [meta-oe] android-tools-conf-configfs: handle multiple UDC controllers | expand

Commit Message

Jose Quaresma Jan. 23, 2026, 9:46 a.m. UTC 
From: Shoudi Li <shoudil@qti.qualcomm.com>

For the boards with multiple UDC ports, adb funtion will be impacted due
to below error.

ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/adb/UDC
ls: write error: Device or resource busy

Signed-off-by: Shoudi Li <shoudil@qti.qualcomm.com>
---
 .../android-tools-conf-configfs/android-gadget-start        | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Dmitry Baryshkov Jan. 23, 2026, 5:24 p.m. UTC | #1 
Hi,


On Fri, Jan 23, 2026 at 09:46:04AM +0000, Shoudi Li wrote:
In the headers: `From: Shoudi Li <quaresma.jose@gmail.com> `

What is going on?

> From: Shoudi Li <shoudil@qti.qualcomm.com>
> 
> For the boards with multiple UDC ports, adb funtion will be impacted due
> to below error.
> 
> ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/adb/UDC
> ls: write error: Device or resource busy
> 
> Signed-off-by: Shoudi Li <shoudil@qti.qualcomm.com>

Missing SoB or 'quaresma.jose@gmail.com'.
Jose Quaresma Jan. 23, 2026, 5:44 p.m. UTC | #2 
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> escreveu (sexta,
23/01/2026 à(s) 17:24):

> Hi,
>
>
> On Fri, Jan 23, 2026 at 09:46:04AM +0000, Shoudi Li wrote:
> In the headers: `From: Shoudi Li <quaresma.jose@gmail.com> `
>
> What is going on?


The same issue as before. I will send a v2


>
>
> > From: Shoudi Li <shoudil@qti.qualcomm.com>
> >
> > For the boards with multiple UDC ports, adb funtion will be impacted due
> > to below error.
> >
> > ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/adb/UDC
> > ls: write error: Device or resource busy
> >
> > Signed-off-by: Shoudi Li <shoudil@qti.qualcomm.com>
>
> Missing SoB or 'quaresma.jose@gmail.com'.
>
>
> --
> With best wishes
> Dmitry
>
diff mbox series

Patch

diff --git a/meta-oe/dynamic-layers/selinux/recipes-devtool/android-tools/android-tools-conf-configfs/android-gadget-start b/meta-oe/dynamic-layers/selinux/recipes-devtool/android-tools/android-tools-conf-configfs/android-gadget-start
index ca6c3df275..76b5e29624 100644
--- a/meta-oe/dynamic-layers/selinux/recipes-devtool/android-tools/android-tools-conf-configfs/android-gadget-start
+++ b/meta-oe/dynamic-layers/selinux/recipes-devtool/android-tools/android-tools-conf-configfs/android-gadget-start
@@ -2,6 +2,8 @@ 
 
 set -e
 
-sleep 3
+sleep 10
 
-ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/adb/UDC
+ls /sys/class/udc/ | head -n 1 | xargs echo -n > /sys/kernel/config/usb_gadget/adb/UDC
+
+echo "Setting UDC $(ls /sys/class/udc/ | head -n 1) for USB ADB Gadget usage"