target/linux/brcm2708/patches-4.1/0219-SDIO-overlay-add-poll_once-boolean-parameter.patch

   1 From f152711d14d2f1ea3f7106463270eb9ebc76c794 Mon Sep 17 00:00:00 2001
   2 From: Patrick Boettcher <patrick.boettcher@posteo.de>
   3 Date: Fri, 20 Nov 2015 15:09:36 +0100
   4 Subject: [PATCH 219/222] SDIO-overlay: add poll_once-boolean parameter
   5
   6 Add paramter to toggle sdio-device-polling
   7 done every second or once at boot-time.
   8
   9 Signed-off-by: Patrick Boettcher <patrick.boettcher@posteo.de>
  10 ---
  11  arch/arm/boot/dts/overlays/README           | 3 +++
  12  arch/arm/boot/dts/overlays/sdio-overlay.dts | 6 +++++-
  13  2 files changed, 8 insertions(+), 1 deletion(-)
  14
  15 --- a/arch/arm/boot/dts/overlays/README
  16 +++ b/arch/arm/boot/dts/overlays/README
  17 @@ -610,6 +610,9 @@ Params: overclock_50             Clock (
  18
  19          debug                    Enable debug output (default off)
  20
  21 +        poll_once                Disable SDIO-device polling every second
  22 +                                 (default on: polling once at boot-time)
  23 +
  24
  25  Name:   smi
  26  Info:   Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25!
  27 --- a/arch/arm/boot/dts/overlays/sdio-overlay.dts
  28 +++ b/arch/arm/boot/dts/overlays/sdio-overlay.dts
  29 @@ -7,7 +7,7 @@
  30
  31         fragment@3 {
  32                 target = <&mmc>;
  33 -               __overlay__ {
  34 +               sdio_mmc: __overlay__ {
  35                         compatible = "brcm,bcm2835-mmc";
  36                         pinctrl-names = "default";
  37                         pinctrl-0 = <&sdio_pins>;
  38 @@ -26,4 +26,8 @@
  39                         };
  40                 };
  41         };
  42 +
  43 +       __overrides__ {
  44 +               poll_once = <&sdio_mmc>,"non-removable?";
  45 +       };
  46  };