target/linux/brcm2708/patches-4.19/950-0272-char-vcio-Fail-probe-if-rpi_firmware-is-not-found.patch

   1 From 6880e5c73b75be683299debf391eba4f521cc20f Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Thu, 24 Jan 2019 14:03:28 +0000
   4 Subject: [PATCH] char: vcio: Fail probe if rpi_firmware is not found.
   5
   6 Device Tree is now the only supported config mechanism, therefore
   7 uncomment the block of code that fails the probe if the
   8 firmware node can't be found.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  11 ---
  12  drivers/char/broadcom/vcio.c | 3 +--
  13  1 file changed, 1 insertion(+), 2 deletions(-)
  14
  15 --- a/drivers/char/broadcom/vcio.c
  16 +++ b/drivers/char/broadcom/vcio.c
  17 @@ -126,10 +126,9 @@ static int __init vcio_init(void)
  18
  19         np = of_find_compatible_node(NULL, NULL,
  20                                      "raspberrypi,bcm2835-firmware");
  21 -/* Uncomment this when we only boot with Device Tree
  22         if (!of_device_is_available(np))
  23                 return -ENODEV;
  24 -*/
  25 +
  26         vcio.fw = rpi_firmware_get(np);
  27         if (!vcio.fw)
  28                 return -ENODEV;