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From f152711d14d2f1ea3f7106463270eb9ebc76c794 Mon Sep 17 00:00:00 2001
From: Patrick Boettcher <patrick.boettcher@posteo.de>
Date: Fri, 20 Nov 2015 15:09:36 +0100
Subject: [PATCH 219/222] SDIO-overlay: add poll_once-boolean parameter
Add paramter to toggle sdio-device-polling
done every second or once at boot-time.
Signed-off-by: Patrick Boettcher <patrick.boettcher@posteo.de>
---
arch/arm/boot/dts/overlays/README | 3 +++
arch/arm/boot/dts/overlays/sdio-overlay.dts | 6 +++++-
2 files changed, 8 insertions(+), 1 deletion(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -610,6 +610,9 @@ Params: overclock_50 Clock (
debug Enable debug output (default off)
+ poll_once Disable SDIO-device polling every second
+ (default on: polling once at boot-time)
+
Name: smi
Info: Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25!
--- a/arch/arm/boot/dts/overlays/sdio-overlay.dts
+++ b/arch/arm/boot/dts/overlays/sdio-overlay.dts
@@ -7,7 +7,7 @@
fragment@3 {
target = <&mmc>;
- __overlay__ {
+ sdio_mmc: __overlay__ {
compatible = "brcm,bcm2835-mmc";
pinctrl-names = "default";
pinctrl-0 = <&sdio_pins>;
@@ -26,4 +26,8 @@
};
};
};
+
+ __overrides__ {
+ poll_once = <&sdio_mmc>,"non-removable?";
+ };
};
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