[U-Boot] [PATCH 2/2] sf: Preserve QE bit when clearing BP# bits for Macronix flash

[Simon Glass]

On 23 July 2017 at 08:44, Bin Meng <bmeng.cn at gmail.com> wrote:
> On some flash (like Macronix), QE (quad enable) bit is in the same
> status register as BP# bits, and we need preserve its original value
> during a reboot cycle as this is required by some platforms (like
> Intel ICH SPI controller working under descriptor mode).
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
>  drivers/mtd/spi/spi_flash.c | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>