[PATCH v2] mmc: core: add runtime-resume caps to support resume at runtime_resume
From: Addy Ke <hidden>
Date: 2015-02-05 11:51:28
Also in:
linux-arm-kernel, linux-mmc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Signed-off-by: Addy Ke <redacted> --- Changes in v2: - fix some typo Documentation/devicetree/bindings/mmc/mmc.txt | 1 + drivers/mmc/core/host.c | 2 ++ 2 files changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index 438899e..a7b800e 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt@@ -40,6 +40,7 @@ Optional properties: - mmc-hs200-1_2v: eMMC HS200 mode(1.2V I/O) is supported - mmc-hs400-1_8v: eMMC HS400 mode(1.8V I/O) is supported - mmc-hs400-1_2v: eMMC HS400 mode(1.2V I/O) is supported +- runtime-resume: resume at runtime_resume is supported - dsr: Value the card's (optional) Driver Stage Register (DSR) should be programmed with. Valid range: [0 .. 0xffff].
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 8be0df7..cb44c85 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c@@ -422,6 +422,8 @@ int mmc_of_parse(struct mmc_host *host) host->caps |= MMC_CAP_POWER_OFF_CARD; if (of_find_property(np, "cap-sdio-irq", &len)) host->caps |= MMC_CAP_SDIO_IRQ; + if (of_find_property(np, "runtime-resume", &len)) + host->caps |= MMC_CAP_RUNTIME_RESUME; if (of_find_property(np, "full-pwr-cycle", &len)) host->caps2 |= MMC_CAP2_FULL_PWR_CYCLE; if (of_find_property(np, "keep-power-in-suspend", &len))
--
1.8.3.2