app-laptop/tp_smapi/files/0001-Convert-DECLARE_MUTEX-to-DEFINE_SEMAPHORE.patch

   1 From 90d564a00cca544b9eb4e6eff3790d5f0f8676b0 Mon Sep 17 00:00:00 2001
   2 From: Nick Bowler <nbowler@draconx.ca>
   3 Date: Wed, 17 Nov 2010 21:24:42 -0500
   4 Subject: [PATCH] Convert DECLARE_MUTEX to DEFINE_SEMAPHORE.
   5
   6 ---
   7  thinkpad_ec.c |    2 +-
   8  tp_smapi.c    |    2 +-
   9  2 files changed, 2 insertions(+), 2 deletions(-)
  10
  11 diff --git a/thinkpad_ec.c b/thinkpad_ec.c
  12 index 2d77a64..e026a72 100644
  13 --- a/thinkpad_ec.c
  14 +++ b/thinkpad_ec.c
  15 @@ -88,7 +88,7 @@ static u64 prefetch_jiffies;                      /* time of prefetch, or: */
  16  #define TPC_PREFETCH_JUNK   (INITIAL_JIFFIES+1)   /*   Ignore prefetch */
  17
  18  /* Locking: */
  19 -static DECLARE_MUTEX(thinkpad_ec_mutex);
  20 +static DEFINE_SEMAPHORE(thinkpad_ec_mutex);
  21
  22  /* Kludge in case the ACPI DSDT reserves the ports we need. */
  23  static int force_io;    /* Willing to do IO to ports we couldn't reserve? */
  24 diff --git a/tp_smapi.c b/tp_smapi.c
  25 index 0cdbd0e..f6c833f 100644
  26 --- a/tp_smapi.c
  27 +++ b/tp_smapi.c
  28 @@ -109,7 +109,7 @@ static struct { u8 rc; char *msg; int ret; } smapi_retcode[] =
  29  #define SMAPI_PORT2 0x4F           /* fixed port, meaning unclear */
  30  static unsigned short smapi_port;  /* APM control port, normally 0xB2 */
  31
  32 -static DECLARE_MUTEX(smapi_mutex);
  33 +static DEFINE_SEMAPHORE(smapi_mutex);
  34
  35  /**
  36   * find_smapi_port - read SMAPI port from NVRAM
  37 --
  38 1.7.2.2
  39