Re: QEMU RISC-V virt machine poweroff driver

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On Mon, Nov 11, 2019 at 05:06:24PM +0530, Anup Patel wrote:
> We really don't need this driver. Instead, we can simply re-use
> following drivers:
> mfd/syscon
> power/reset/syscon-reboot
> power/reset/syscon-poweroff
> 
> Just enable following to your defconfig:
> CONFIG_POWER_RESET=y
> CONFIG_POWER_RESET_SYSCON=y
> CONFIG_POWER_RESET_SYSCON_POWEROFF=y
> CONFIG_SYSCON_REBOOT_MODE=y
> 
> 
> Once above drivers are enabled in your defconfig, make sure
> test device DT nodes are described in the following way for virt machine:

Oh well, that is a lot more churn than a just works driver, and
will also pull it dependencies like regmap which quite blow up the
kernel size.  But I guess that is where modern Linux drivers are
heading, so I'm not going to complain too loud..



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