[V2,0/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC

Message ID	20241218091057.15625-1-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 BEF73198832; Wed, 18 Dec 2024 09:11:20 +0000 (UTC) From: Sachin Gupta <quic_sachgupt@quicinc.com> To: Adrian Hunter <adrian.hunter@intel.com>, Ulf Hansson <ulf.hansson@linaro.org> CC: <linux-arm-msm@vger.kernel.org>, <linux-mmc@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 V2 0/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC Date: Wed, 18 Dec 2024 14:40:55 +0530 Message-ID: <20241218091057.15625-1-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 [V2,0/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC [V2,1/2] mmc: sdhci-msm: Add core_major, minor to msm_host structure [V2,2/2] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC

Message ID

20241218091057.15625-1-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-arm-msm@vger.kernel.org>, <linux-mmc@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 V2 0/2] mmc: sdhci-msm: Rectify DLL programming sequence for
 SDCC
Date: Wed, 18 Dec 2024 14:40:55 +0530
Message-ID: <20241218091057.15625-1-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, 9:10 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.

Changes from v1:
1. Addressed Tengfei Fan comment, added missing semicolocon
 in sdhci_msm_host structure.

Sachin Gupta (2):
  mmc: sdhci-msm: Add core_major, 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(-)