[PATCH v2] mmc: core: add runtime-resume caps to support resume at runtime_resume

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




Signed-off-by: Addy Ke <addy.ke@xxxxxxxxxxxxxx>
---
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


--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux