From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=fail (domain: intel.com, ip: , mailfrom: tien.hock.loh@intel.com) Received: from mga14.intel.com (mga14.intel.com []) by groups.io with SMTP; Thu, 02 May 2019 20:28:15 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 May 2019 20:28:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,424,1549958400"; d="scan'208";a="167124889" Received: from pg-iccf0195.altera.com ([10.104.4.90]) by fmsmga002.fm.intel.com with ESMTP; 02 May 2019 20:28:14 -0700 From: "Loh, Tien Hock" To: devel@edk2.groups.io, thloh85@gmail.com Cc: "Tien Hock, Loh" , Leif Lindholm , Ard Biesheuvel Subject: [[PATCH v2] 5/7] EmbeddedPkg: Fix DwEmmc driver bugs Date: Fri, 3 May 2019 11:27:01 +0800 Message-Id: <1556854023-5486-6-git-send-email-tien.hock.loh@intel.com> X-Mailer: git-send-email 2.2.2 In-Reply-To: <1556854023-5486-1-git-send-email-tien.hock.loh@intel.com> References: <1556854023-5486-1-git-send-email-tien.hock.loh@intel.com> From: "Tien Hock, Loh" Send command when MMC ask for response in DwEmmcReceiveResponse, and command is a pending command (eg. DMA needs to be set up first) Signed-off-by: "Tien Hock, Loh" Cc: Leif Lindholm Cc: Ard Biesheuvel --- EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c index 32572a9..a69d9ab 100644 --- a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c +++ b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c @@ -398,8 +398,11 @@ DwEmmcSendCommand ( mDwEmmcCommand = Cmd; mDwEmmcArgument = Argument; } else { + mDwEmmcCommand = Cmd; + mDwEmmcArgument = Argument; Status = SendCommand (Cmd, Argument); } + return Status; } @@ -410,6 +413,11 @@ DwEmmcReceiveResponse ( IN UINT32* Buffer ) { + EFI_STATUS Status = EFI_SUCCESS; + + if(IsPendingReadCommand (mDwEmmcCommand) || IsPendingWriteCommand(mDwEmmcCommand)) + Status = SendCommand (mDwEmmcCommand, mDwEmmcArgument); + if (Buffer == NULL) { return EFI_INVALID_PARAMETER; } @@ -427,7 +435,7 @@ DwEmmcReceiveResponse ( Buffer[2] = MmioRead32 (DWEMMC_RESP2); Buffer[3] = MmioRead32 (DWEMMC_RESP3); } - return EFI_SUCCESS; + return Status; } VOID -- 2.2.2