target/linux/bcm53xx/patches-4.4/081-0003-USB-bcma-use-simpler-devm-helper-for-getting-vcc-GPI.patch

   1 From 1507372b97a098fd51b92c4dbdbbcd65cba26939 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Wed, 23 Mar 2016 12:37:11 +0100
   4 Subject: [PATCH] USB: bcma: use simpler devm helper for getting vcc GPIO
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Thanks to switching to devm_gpiod_get:
  10 1) We don't have to pass fwnode pointer
  11 2) We can request initial GPIO value at getting call
  12 This was successfully tested on Netgear R6250 (BCM4708).
  13
  14 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  15 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  16 ---
  17  drivers/usb/host/bcma-hcd.c | 6 ++----
  18  1 file changed, 2 insertions(+), 4 deletions(-)
  19
  20 --- a/drivers/usb/host/bcma-hcd.c
  21 +++ b/drivers/usb/host/bcma-hcd.c
  22 @@ -352,10 +352,8 @@ static int bcma_hcd_probe(struct bcma_de
  23         usb_dev->core = core;
  24
  25         if (core->dev.of_node)
  26 -               usb_dev->gpio_desc = devm_get_gpiod_from_child(&core->dev, "vcc",
  27 -                                                              &core->dev.of_node->fwnode);
  28 -       if (!IS_ERR_OR_NULL(usb_dev->gpio_desc))
  29 -               gpiod_direction_output(usb_dev->gpio_desc, 1);
  30 +               usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc",
  31 +                                                   GPIOD_OUT_HIGH);
  32
  33         switch (core->id.id) {
  34         case BCMA_CORE_USB20_HOST: