Minor fixes for Radxa Dragon Q8B - #595
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The boot firmware can leave an inserted SD card in a state that makes the first Linux enumeration fall back to 50 MHz high-speed mode. Allow the MMC core to fully cycle the controllable card supply after voltage selection so UHS-I voltage switching succeeds reliably. Signed-off-by: Junhao Xie <bigfoot@radxa.com>
The rpmsg core invokes destroy_ept() for a default endpoint while holding the rpmsg device lock. The GLINK implementation then unregisters the same rpmsg device synchronously, which tries to acquire that lock again and deadlocks when a client such as FastRPC is unbound. Record the rpmsg device that owns each default endpoint and defer unregistering it until CLOSE or CLOSE_ACK is received. Keep immediate removal for manually created endpoints. Use xchg() to prevent concurrent close paths from unregistering an rpmsg device more than once. Signed-off-by: Junhao Xie <bigfoot@radxa.com>
Signed-off-by: Junhao Xie <bigfoot@radxa.com>
Signed-off-by: Junhao Xie <bigfoot@radxa.com>
Signed-off-by: Xilin Wu <sophon@radxa.com> Signed-off-by: Junhao Xie <bigfoot@radxa.com>
Signed-off-by: Xilin Wu <sophon@radxa.com> Signed-off-by: Junhao Xie <bigfoot@radxa.com>
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Add onboard voltage sensor
Fix microSD UHS-I voltage switch
Fix fastrpc unload deadlock
Add dmesg option for pmic_pdcharger_ulog