[PATCH 016/347] FogBugz #516535: Fix QSPI write issues

Jagan Teki jagan at amarulasolutions.com
Sun Oct 23 07:33:30 CEST 2022


On Tue, Aug 30, 2022 at 11:50 AM Jit Loon Lim <jit.loon.lim at intel.com> wrote:
>
> From: Chee Hong Ang <chee.hong.ang at intel.com>
>
> QSPI driver perform chip select on every flash read/write
> access. The driver need to disable/enable the QSPI controller
> while performing chip select. This may cause some data lost
> especially the QSPI controller is configured to run at slower
> speed as it may take longer time to access the flash device.
> This patch prevent the driver from disable/enable the QSPI
> controller too soon and inadvertently halting any ongoing flash
> read/write access by ensuring the QSPI controller is always in
> idle mode after each read/write access.
>
> Signed-off-by: Chee Hong Ang <chee.hong.ang at intel.com>
> --

"FogBugz #516535:" This commit head is invalid for the upstream patch.


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