From f152711d14d2f1ea3f7106463270eb9ebc76c794 Mon Sep 17 00:00:00 2001 From: Patrick Boettcher 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 --- 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?"; + }; };