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<CornflakeDeath>
hi, i've managed to run the mainline kernel on my a13 tablet along with an initramfs ripped from alpine linux netinstall image and right now i'm trying to get a proper rootfs
<CornflakeDeath>
but usb will not work. the only usb device that gets recognized and actually works is the wifi card
<Jookia>
do you have the correct usb modules for the devices you want to connect
<CornflakeDeath>
do i need them if they don't even appear in lsusb?
<DarkNeutrino>
if wifi card shows up in lsusb that means the USB works. Its probably your DT that doesnt describe the rest of the ports. OR the tablet uses some splitter or etc thats unsupported for the USB ports.
<CornflakeDeath>
the pinconfig in the device tree appears to be correct, it's the same as in my fex file
<CornflakeDeath>
this error appears a few times during boot: sun5i-pinctrl 1c20800.pinctrl: supply vcc-pg not found, using dummy regulator
<CornflakeDeath>
then usb_phy_generic complains: "dummy supplies not allowed for exclusive requests"
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<CornflakeDeath>
well it worked in that ancient 3.4 kernel
<Jookia>
have you confirmed that the device you plugged in gets powered
<CornflakeDeath>
it doesn't
<CornflakeDeath>
i have a few spare cables so i'll try to provide +5v from somewhere else
<Jookia>
you may need to enable a usb power regulator then
<Jookia>
are you using the same bootloader to load the 3.4 kernel?
<CornflakeDeath>
yes, the same build of mainline uboot works
<buZz>
some tablet motherboards use GPIO pins to turn on/off certain powersupplies or devices
<Jookia>
you may want to check the device tree for the 3.4 kernel then
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<CornflakeDeath>
Jookia: oh yes, i enabled a usb power regulator in menuconfig and everything works now.
<CornflakeDeath>
it took me a while to realize what you meant but thank you
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<buZz>
do they read outside of their flaky irc connection? i guess not
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