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Thu, 11 Feb 2021 00:12:49 -0800 Received: by xhdsaipava40.xilinx.com (Postfix, from userid 14131) id 59B5813C063C; Thu, 11 Feb 2021 13:48:12 +0530 (IST) From: Sai Pavan Boddu To: Markus Armbruster , Kevin Wolf , "Max Reitz" , Vladimir Sementsov-Ogievskiy , Eric Blake , Joel Stanley , =?utf-8?q?C?= =?utf-8?q?=C3=A9dric_Le_Goater?= , Vincent Palatin , "Dr. David Alan Gilbert" , Thomas Huth , Stefan Hajnoczi , Peter Maydell , "Alistair Francis" , "Edgar E. Iglesias" , Luc Michel , "Paolo Bonzini" Subject: [RFC PATCH 05/15] sd: emmc: support idle state in CMD2 Date: Thu, 11 Feb 2021 13:47:16 +0530 Message-ID: <1613031446-22154-6-git-send-email-sai.pavan.boddu@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1613031446-22154-1-git-send-email-sai.pavan.boddu@xilinx.com> References: <1613031446-22154-1-git-send-email-sai.pavan.boddu@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 574ad00b-ddc0-47d6-ec98-08d8ce64dffd X-MS-TrafficTypeDiagnostic: DM6PR02MB5289: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:1850; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.62.198; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:xsj-pvapexch02.xlnx.xilinx.com; PTR:unknown-62-198.xilinx.com; CAT:NONE; SFS:(4636009)(396003)(136003)(376002)(346002)(39860400002)(36840700001)(46966006)(316002)(5660300002)(36756003)(42186006)(36860700001)(336012)(7416002)(83380400001)(36906005)(186003)(8936002)(26005)(47076005)(82740400003)(426003)(2906002)(478600001)(107886003)(4326008)(82310400003)(110136005)(7636003)(921005)(8676002)(70586007)(4744005)(356005)(6266002)(54906003)(70206006)(2616005)(102446001); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Feb 2021 08:13:12.1537 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 574ad00b-ddc0-47d6-ec98-08d8ce64dffd X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.62.198]; Helo=[xsj-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: BL2NAM02FT034.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB5289 Received-SPF: pass client-ip=40.107.237.66; envelope-from=saipava@xilinx.com; helo=NAM12-BN8-obe.outbound.protection.outlook.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: saipava@xilinx.com, qemu-devel@nongnu.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" eMMC is expected to be in idle-state post CMD1. Ready state is an intermediate stage which we don't come across in Device identification mode. Signed-off-by: Sai Pavan Boddu Signed-off-by: Edgar E. Iglesias Acked-by: Alistair Francis --- hw/sd/sd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index e3738b2..69289e0 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1051,6 +1051,10 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req) if (sd->spi) goto bad_cmd; switch (sd->state) { + case sd_idle_state: + if (!sd->emmc) { + break; + } case sd_ready_state: sd->state = sd_identification_state; return sd_r2_i;