MdeModulePkg/SdMmcPciHcDxe: Send SEND_STATUS at lower frequency

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1140

To avoid stability issues on some designs the driver
will now send SEND_STATUS at previous, lower, frequency
when upgrading the bus timing.

Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Marcin Wojtas <mw@semihalf.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Cc: Liming Gao <liming.gao@intel.com>

Signed-off-by: Mateusz Albecki <mateusz.albecki@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
This commit is contained in:
Albecki, Mateusz
2020-02-25 23:05:53 +08:00
committed by mergify[bot]
parent 6c9a3d4233
commit 643623147a
4 changed files with 69 additions and 24 deletions

View File

@@ -931,6 +931,8 @@ SdMmcHcClockSupply (
}
}
Private->Slot[Slot].CurrentFreq = ClockFreq;
return Status;
}