[U-Boot] [PATCH v5 1/2] SPI Flash: add support of sst26wf* flash ICs protection ops

[Eugeniy Paltsev]

Hi Jagan!

Any comments?

On Tue, 2018-04-10 at 14:40 +0300, Eugeniy Paltsev wrote:
> sst26wf flash series block protection implementation differs
> from other SST series, so add specific implementation
> flash_lock/flash_unlock/flash_is_locked functions for sst26wf
> flash ICs.
> 
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev at synopsys.com>
> ---
> Changes v4->v5:
>  * Return EACCES when flash is locked instead of custom define (SF_LOCKED)
>  * Add SST26_CTL_* prefix to sst27 lock ops enum.
>  * Move all sst26 code inside of existing CONFIG_SPI_FLASH_SST #ifdef.
> 
> Changes v3->v4:
>  * Make sst26_process_bpr() and sst26_lock_ctl() functions static.
> 
> Changes v2->v3:
>  * Move SST26 command defenition to sf_internal.h
>  * Merge sst26_set_bpr, sst26_clear_bpr and sst26_check_bpr functions
>    into single sst26_process_bpr function.
>  * Use SF_UNLOCKED/SF_LOCKED instead of magic numbers in
>    sst26_lock_ctl()
> 
> Changes v1->v2:
>  * Use generic defines from linux/sizes.h instead of custom ones.
> 
> diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
[snip]
-- 
 Eugeniy Paltsev