[RESEND PATCH v2 12/18] xen: pvblock: Add initial support for para-virtualized block driver

[Tom Rini]

On Thu, Aug 06, 2020 at 12:42:55PM +0300, Anastasiia Lukianenko wrote:

> From: Anastasiia Lukianenko <anastasiia_lukianenko at epam.com>
> 
> Add initial infrastructure for Xen para-virtualized block device.
> This includes compile-time configuration and the skeleton for
> the future driver implementation.
> Add new class UCLASS_PVBLOCK which is going to be a parent for
> virtual block devices.
> Add new interface type IF_TYPE_PVBLOCK.
> 
> Implement basic driver setup by reading XenStore configuration.
> 
> Signed-off-by: Andrii Anisov <andrii_anisov at epam.com>
> Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko at epam.com>
> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko at epam.com>

Applied to u-boot/master, thanks!

But please note:
ERROR: do not use assignment in if condition
#281: FILE: drivers/xen/pvblock.c:260:
+       if ((err = xenbus_switch_state(XBT_NIL, nodename,

in a few places in the driver (these without more context are possibly
OK, just bad style).

-- 
Tom
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