From: Sarthak Garg <quic_sartgarg@quicinc.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>
Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org, quic_cang@quicinc.com,
quic_nguyenb@quicinc.com, quic_rampraka@quicinc.com,
quic_pragalla@quicinc.com, quic_sayalil@quicinc.com,
quic_nitirawa@quicinc.com, quic_sachgupt@quicinc.com,
quic_bhaskarv@quicinc.com, quic_narepall@quicinc.com,
kernel@quicinc.com, Sarthak Garg <quic_sartgarg@quicinc.com>
Subject: [PATCH V3 0/3] mmc: Add partial initialization support
Date: Thu, 19 Oct 2023 11:16:09 +0530 [thread overview]
Message-ID: <20231019054612.9192-1-quic_sartgarg@quicinc.com> (raw)
Add the ability to partially initialize the MMC device by
using device sleep/awake sequence (CMD5).
Device will be sent to sleep state during mmc runtime/system suspend
and will be woken up during mmc runtime/system resume.
By using this sequence the device doesn't need full initialization
which gives 25% time reduction in system/runtime resume path.
Also enable this feature along with mmc runtime PM for qualcomm
controllers.
Changes since V2:
- Fixed one warning reported by kernel test robot.
>> drivers/mmc/core/mmc.c:1975: warning: Function parameter
or member 'host' not described in 'mmc_sleepawake'
- Included name of the subystem/driver in the title of the
series as suggested by Bryan O'Donoghue.
- Enabled MMC_CAP_AGGRESSIVE_PM for qualcomm controller and
posted as [V3,3/3] as suggested by Wenchao Chen.
Changes since V1:
- Did minor code cleanup as suggested by Avri Altman.
- Added _mmc_resume gain data in commit message as suggested by
Ulf Hansson.
- Split patch in two patches.
[V2,1/2] mmc: core: Add partial initialization support
[V2,2/2] mmc: sdhci-msm: Enable MMC_CAP2_SLEEP_AWAKE for
Qualcomm controllers
Sarthak Garg (3):
mmc: core: Add partial initialization support
mmc: sdhci-msm: Enable MMC_CAP_AGGRESSIVE_PM for Qualcomm controllers
mmc: sdhci-msm: Enable MMC_CAP2_SLEEP_AWAKE for Qualcomm controllers
drivers/mmc/core/mmc.c | 163 +++++++++++++++++++++++++++++++++--
drivers/mmc/host/sdhci-msm.c | 2 +
include/linux/mmc/card.h | 4 +
include/linux/mmc/host.h | 2 +
4 files changed, 162 insertions(+), 9 deletions(-)
--
2.17.1
next reply other threads:[~2023-10-19 5:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-19 5:46 Sarthak Garg [this message]
2023-10-19 5:46 ` [PATCH V3 1/3] mmc: core: Add partial initialization support Sarthak Garg
2023-10-19 15:00 ` Ulf Hansson
2023-10-27 8:41 ` Sarthak Garg
2023-10-27 9:53 ` Ulf Hansson
2024-01-29 6:50 ` Sarthak Garg
2023-10-19 5:46 ` [PATCH V3 2/3] mmc: sdhci-msm: Enable MMC_CAP_AGGRESSIVE_PM for Qualcomm controllers Sarthak Garg
2023-10-19 5:46 ` [PATCH V3 3/3] mmc: sdhci-msm: Enable MMC_CAP2_SLEEP_AWAKE " Sarthak Garg
-- strict thread matches above, loose matches on Subject: below --
2023-10-17 6:13 [PATCH V3 0/3] mmc: Add partial initialization support Sarthak Garg
2023-10-17 11:39 ` Ulf Hansson
2023-10-19 5:45 ` Sarthak Garg
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