[U-Boot] [PATCH] blk: Invalidate block cache when switching hwpart

[Tom Rini]

On Thu, Jul 11, 2019 at 03:10:23PM +0800, Weijie Gao wrote:

> Some storage devices have multiple hw partitions and both address from
> zero, for example eMMC.
> However currently block cache invalidation only applies to block
> write/erase.
> This can cause a problem that data of current hw partition is cached
> before switching to another hw partition. And the following read
> operation of the latter hw partition will get wrong data when reading
> from the addresses that have been cached previously.
> 
> To solve this problem, invalidate block cache after a successful
> select_hwpart operation.
> 
> Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>

Applied to u-boot/master, thanks!

-- 
Tom
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