Re: [PATCH] vop: Add missing __iomem annotation in vop_dc_to_vdev()

[Greg Kroah-Hartman]

On Sun, Aug 02, 2020 at 04:28:12PM -0700, Ashutosh Dixit wrote:
> Fix the following sparse warnings in drivers/misc/mic/vop//vop_main.c:
> 
> 551:58: warning: incorrect type in argument 1 (different address spaces)
> 551:58:    expected void const volatile [noderef] __iomem *addr
> 551:58:    got restricted __le64 *
> 560:49: warning: incorrect type in argument 1 (different address spaces)
> 560:49:    expected struct mic_device_ctrl *dc
> 560:49:    got struct mic_device_ctrl [noderef] __iomem *dc
> 579:49: warning: incorrect type in argument 1 (different address spaces)
> 579:49:    expected struct mic_device_ctrl *dc
> 579:49:    got struct mic_device_ctrl [noderef] __iomem *dc
> 
> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Cc: Sudeep Dutt <sudeep.dutt@xxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx>
> Cc: stable <stable@xxxxxxxxxxxxxxx>

Why is this a stable thing?  It doesn't fix a real bug, and sparse
warnings are not needed for stable trees, unless this is the last sparse
warning there.

thanks,

greg k-h