target/linux/coldfire/patches/086-m547x_8x_dma_dipr.patch

   1 From 6cf498f4cf1930950d31aff5669bdba97d12364c Mon Sep 17 00:00:00 2001
   2 From: Kurt Mahan <kmahan@freescale.com>
   3 Date: Thu, 17 Jul 2008 15:02:23 -0600
   4 Subject: [PATCH] Properly clear bits in DIPR.
   5
   6 Bugzilla 1351.
   7
   8 LTIBName: m547x-8x-dma-dipr
   9 Signed-off-by: Kurt Mahan <kmahan@freescale.com>
  10 ---
  11  arch/m68k/coldfire/m547x_8x-dma.c |    2 +-
  12  1 files changed, 1 insertions(+), 1 deletions(-)
  13
  14 --- a/arch/m68k/coldfire/m547x_8x-dma.c
  15 +++ b/arch/m68k/coldfire/m547x_8x-dma.c
  16 @@ -455,7 +455,7 @@ irqreturn_t dma_interrupt_handler(int ir
  17          * pending interrupts with those that aren't masked.
  18          */
  19         interrupts = MCF_DMA_DIPR;
  20 -       MCF_DMA_DIPR |= interrupts;
  21 +       MCF_DMA_DIPR = interrupts;
  22
  23         for (i = 0; i < 16; ++i, interrupts >>= 1) {
  24                 if (interrupts & 0x1)