[PATCH v5 06/18] compat_ioctl: move WDIOC handling into wdt drivers

Guenter Roeck linux at roeck-us.net
Fri Aug 16 04:10:10 AEST 2019


On Wed, Aug 14, 2019 at 10:49:18PM +0200, Arnd Bergmann wrote:
> All watchdog drivers implement the same set of ioctl commands, and
> fortunately all of them are compatible between 32-bit and 64-bit
> architectures.
> 
> Modern drivers always go through drivers/watchdog/wdt.c as an abstraction
> layer, but older ones implement their own file_operations on a character
> device for this.
> 
> Move the handling from fs/compat_ioctl.c into the individual drivers.
> 
> Note that most of the legacy drivers will never be used on 64-bit
> hardware, because they are for an old 32-bit SoC implementation, but
> doing them all at once is safer than trying to guess which ones do
> or do not need the compat_ioctl handling.
> 
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>

Reviewed-by: Guenter Roeck <linux at roeck-us.net>

This patch doesn't seem to have a useful base (or at least git says so).
It does not apply to mainline nor to my own watchdog-next branch.
I assume you plan to apply the entire series together. Please not
that there will be conflicts against watchdog-next when you do so.

Guenter


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