target/linux/brcm2708/patches-4.4/0535-rpi-ft5406-Pass-device-structure-into-dma_zalloc_coh.patch

   1 From cc96288e1ec40a79c16949fabbcfc3c857797c59 Mon Sep 17 00:00:00 2001
   2 From: popcornmix <popcornmix@gmail.com>
   3 Date: Mon, 14 Nov 2016 20:14:21 +0000
   4 Subject: [PATCH] rpi-ft5406: Pass device structure into dma_zalloc_coherent
   5
   6 ---
   7  drivers/input/touchscreen/rpi-ft5406.c | 6 +++---
   8  1 file changed, 3 insertions(+), 3 deletions(-)
   9
  10 --- a/drivers/input/touchscreen/rpi-ft5406.c
  11 +++ b/drivers/input/touchscreen/rpi-ft5406.c
  12 @@ -151,7 +151,7 @@ static int ft5406_probe(struct platform_
  13                 return -ENOMEM;
  14         }
  15
  16 -       ts->ts_base = dma_zalloc_coherent(NULL, PAGE_SIZE, &ts->bus_addr, GFP_KERNEL);
  17 +       ts->ts_base = dma_zalloc_coherent(dev, PAGE_SIZE, &ts->bus_addr, GFP_KERNEL);
  18         if (!ts->ts_base) {
  19                 pr_err("[%s]: failed to dma_alloc_coherent(%ld)\n",
  20                                 __func__, PAGE_SIZE);
  21 @@ -165,7 +165,7 @@ static int ft5406_probe(struct platform_
  22
  23         if (err || touchbuf != 0) {
  24                 dev_warn(dev, "Failed to set touchbuf, trying to get err:%x\n", err);
  25 -               dma_free_coherent(NULL, PAGE_SIZE, ts->ts_base, ts->bus_addr);
  26 +               dma_free_coherent(dev, PAGE_SIZE, ts->ts_base, ts->bus_addr);
  27                 ts->ts_base = 0;
  28                 ts->bus_addr = 0;
  29         }
  30 @@ -238,7 +238,7 @@ static int ft5406_probe(struct platform_
  31
  32  out:
  33         if (ts->bus_addr) {
  34 -               dma_free_coherent(NULL, PAGE_SIZE, ts->ts_base, ts->bus_addr);
  35 +               dma_free_coherent(dev, PAGE_SIZE, ts->ts_base, ts->bus_addr);
  36                 ts->bus_addr = 0;
  37                 ts->ts_base = NULL;
  38         } else if (ts->ts_base) {