[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1487577792-12510-3-git-send-email-riteshh@codeaurora.org>
Date: Mon, 20 Feb 2017 13:33:10 +0530
From: Ritesh Harjani <riteshh@...eaurora.org>
To: ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
adrian.hunter@...el.com
Cc: shawn.lin@...k-chips.com, devicetree@...r.kernel.org,
andy.gross@...aro.org, linux-arm-msm@...r.kernel.org,
georgi.djakov@...aro.org, alex.lemberg@...disk.com,
mateusz.nowak@...el.com, Yuliy.Izrailov@...disk.com,
asutoshd@...eaurora.org, david.griego@...aro.org,
stummala@...eaurora.org, venkatg@...eaurora.org,
pramod.gurav@...aro.org, jeremymc@...hat.com,
linux-kernel@...r.kernel.org,
Ritesh Harjani <riteshh@...eaurora.org>
Subject: [RFC PATCH 2/4] mmc: core: add mmc-sleep-awake caps
This patch introduce mmc-sleep-awake for platforms
which want to enable CMD5 awake & partial_init.
Signed-off-by: Ritesh Harjani <riteshh@...eaurora.org>
---
drivers/mmc/core/host.c | 2 ++
include/linux/mmc/host.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 3f8c85d..e798814 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -320,6 +320,8 @@ int mmc_of_parse(struct mmc_host *host)
host->caps2 |= MMC_CAP2_NO_SD;
if (of_property_read_bool(np, "no-mmc"))
host->caps2 |= MMC_CAP2_NO_MMC;
+ if (of_property_read_bool(np, "mmc-sleep-awake"))
+ host->caps2 |= MMC_CAP2_SLEEP_AWAKE;
host->dsr_req = !of_property_read_u32(np, "dsr", &host->dsr);
if (host->dsr_req && (host->dsr & ~0xffff)) {
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 83f1c4a..df7882b 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -303,6 +303,7 @@ struct mmc_host {
#define MMC_CAP2_HS400_ES (1 << 20) /* Host supports enhanced strobe */
#define MMC_CAP2_NO_SD (1 << 21) /* Do not send SD commands during initialization */
#define MMC_CAP2_NO_MMC (1 << 22) /* Do not send (e)MMC commands during initialization */
+#define MMC_CAP2_SLEEP_AWAKE (1 << 23) /* Use Sleep/Awake (CMD5) */
mmc_pm_flag_t pm_caps; /* supported pm features */
--
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.
Powered by blists - more mailing lists