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Sun, 06 Oct 2024 13:55:31 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 496DtVrP015189; Sun, 6 Oct 2024 13:55:31 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-spuppala-hyd.qualcomm.com [10.213.108.54]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTP id 496DtVL2015185; Sun, 06 Oct 2024 13:55:31 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 4137148) id 9E59B6017A3; Sun, 6 Oct 2024 19:25:30 +0530 (+0530) From: Seshu Madhavi Puppala To: Ulf Hansson , Adrian Hunter Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, quic_rampraka@quicinc.com, quic_nitirawa@quicinc.com, quic_sachgupt@quicinc.com, quic_bhaskarv@quicinc.com, quic_neersoni@quicinc.com, quic_gaurkash@quicinc.com, quic_spuppala@quicinc.com Subject: [PATCH RFC v3 2/2] mmc: host: sdhci-msm: Avoid reprogram keys for QCOM socs Date: Sun, 6 Oct 2024 19:25:30 +0530 Message-Id: <20241006135530.17363-3-quic_spuppala@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241006135530.17363-1-quic_spuppala@quicinc.com> References: <20241006135530.17363-1-quic_spuppala@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 3O8pDHRBymviQolMkFDSabsMaYmMo8b7 X-Proofpoint-GUID: 3O8pDHRBymviQolMkFDSabsMaYmMo8b7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxscore=0 impostorscore=0 phishscore=0 malwarescore=0 suspectscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 adultscore=0 clxscore=1015 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410060101 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Implement Qualcomm hook to avoid reprogram of all keys to Inline Crypto Engine on runtime suspend resume of MMC since keys are not lost for QCOM socs. Signed-off-by: Seshu Madhavi Puppala Co-developed-by: Ram Prakash Gupta Signed-off-by: Ram Prakash Gupta --- drivers/mmc/host/sdhci-msm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index e113b99a3eab..427e0126459a 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1183,6 +1183,11 @@ static void sdhci_msm_set_cdr(struct sdhci_host *host, bool enable) } } +static bool sdhci_msm_avoid_reprogram_allkeys(void) +{ + return true; +} + static int sdhci_msm_execute_tuning(struct mmc_host *mmc, u32 opcode) { struct sdhci_host *host = mmc_priv(mmc); @@ -2641,6 +2646,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) host->mmc_host_ops.start_signal_voltage_switch = sdhci_msm_start_signal_voltage_switch; host->mmc_host_ops.execute_tuning = sdhci_msm_execute_tuning; + host->mmc_host_ops.avoid_reprogram_allkeys = sdhci_msm_avoid_reprogram_allkeys; if (of_property_read_bool(node, "supports-cqe")) ret = sdhci_msm_cqe_add_host(host, pdev); else