[PATCH v3 2/3] bus: sunxi-rsb: Support atomic transfers

[Jernej Škrabec]

Dne ponedeljek, 14. november 2022 ob 02:57:48 CET je Samuel Holland 
napisal(a):
> When communicating with a PMIC during system poweroff (pm_power_off()),
> IRQs are disabled and we are in a RCU read-side critical section, so we
> cannot use wait_for_completion_io_timeout(). Instead, poll the status
> register for transfer completion.
> 
> Fixes: d787dcdb9c8f ("bus: sunxi-rsb: Add driver for Allwinner Reduced
> Serial Bus") Signed-off-by: Samuel Holland <samuel at sholland.org>

Reviewed-by: Jernej Skrabec <jernej.skrabec at gmail.com>

Best regards,
Jernej