[0/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC

Message ID	20241218061200.3362-1-quic_sachgupt@quicinc.com (mailing list archive)
Headers	show Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A4A3C1531E2; Wed, 18 Dec 2024 06:12:22 +0000 (UTC) From: Sachin Gupta <quic_sachgupt@quicinc.com> To: Adrian Hunter <adrian.hunter@intel.com>, Ulf Hansson <ulf.hansson@linaro.org> CC: <linux-mmc@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <quic_cang@quicinc.com>, <quic_nguyenb@quicinc.com>, <quic_bhaskarv@quicinc.com>, <quic_mapa@quicinc.com>, <quic_narepall@quicinc.com>, <quic_nitirawa@quicinc.com>, <quic_rampraka@quicinc.com>, <quic_sachgupt@quicinc.com>, <quic_sartgarg@quicinc.com> Subject: [PATCH 0/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC Date: Wed, 18 Dec 2024 11:41:58 +0530 Message-ID: <20241218061200.3362-1-quic_sachgupt@quicinc.com> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain
Series	mmc: sdhci-msm: Rectify DLL programming sequence for SDCC \| expand [0/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC [1/2] mmc: sdhci-msm: Add core_major, minor to msm_host structure [2/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC

Message ID

20241218061200.3362-1-quic_sachgupt@quicinc.com (mailing list archive)

Headers

From: Sachin Gupta <quic_sachgupt@quicinc.com>
To: Adrian Hunter <adrian.hunter@intel.com>,
        Ulf Hansson
	<ulf.hansson@linaro.org>
CC: <linux-mmc@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <quic_cang@quicinc.com>,
        <quic_nguyenb@quicinc.com>, <quic_bhaskarv@quicinc.com>,
        <quic_mapa@quicinc.com>, <quic_narepall@quicinc.com>,
        <quic_nitirawa@quicinc.com>, <quic_rampraka@quicinc.com>,
        <quic_sachgupt@quicinc.com>, <quic_sartgarg@quicinc.com>
Subject: [PATCH 0/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC
Date: Wed, 18 Dec 2024 11:41:58 +0530
Message-ID: <20241218061200.3362-1-quic_sachgupt@quicinc.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain

Series

mmc: sdhci-msm: Rectify DLL programming sequence for SDCC | expand

Message

Sachin Gupta Dec. 18, 2024, 6:11 a.m. UTC

With the current DLL sequence stability issues are seen in
HS400 and HS200 mode for data transfers.

Rectify the DLL programming sequence as per latest hardware
programming guide and also incorporate support for HS200 and
HS400 DLL settings using the device tree.

Sachin Gupta (2):
  mmc: sdhci-msm: Move core_major and core_minor to msm_host structure
  mmc: sdhci-msm: Rectify DLL programming sequence for SDCC

 drivers/mmc/host/sdhci-msm.c | 378 +++++++++++++++++++++++++++++++++--
 1 file changed, 359 insertions(+), 19 deletions(-)