diff options
| author | Jes Sorensen | 2006-01-17 18:52:21 +0100 |
|---|---|---|
| committer | Tony Luck | 2006-01-17 22:53:24 +0100 |
| commit | f9e505a9a03df5acace6e758c8d12982635a1c64 (patch) | |
| tree | c336b36fd18dd1fc1f316cb55ad52c67da2ffd8a /arch/ia64/sn/kernel/mca.c | |
| parent | [IA64-SGI] pass segment# on SN_SAL_IOIF_SLOT_{DIS,EN}ABLE calls (diff) | |
| download | kernel-qcow2-linux-f9e505a9a03df5acace6e758c8d12982635a1c64.tar.gz kernel-qcow2-linux-f9e505a9a03df5acace6e758c8d12982635a1c64.tar.xz kernel-qcow2-linux-f9e505a9a03df5acace6e758c8d12982635a1c64.zip | |
[IA64-SGI] sn2 mutex conversion
Migrate sn2 code to use mutex and completion events rather than
semaphores.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Acked-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn/kernel/mca.c')
| -rw-r--r-- | arch/ia64/sn/kernel/mca.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/ia64/sn/kernel/mca.c b/arch/ia64/sn/kernel/mca.c index 6546db6abdba..9ab684d1bb55 100644 --- a/arch/ia64/sn/kernel/mca.c +++ b/arch/ia64/sn/kernel/mca.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/timer.h> #include <linux/vmalloc.h> +#include <linux/mutex.h> #include <asm/mca.h> #include <asm/sal.h> #include <asm/sn/sn_sal.h> @@ -27,7 +28,7 @@ void sn_init_cpei_timer(void); /* Printing oemdata from mca uses data that is not passed through SAL, it is * global. Only one user at a time. */ -static DECLARE_MUTEX(sn_oemdata_mutex); +static DEFINE_MUTEX(sn_oemdata_mutex); static u8 **sn_oemdata; static u64 *sn_oemdata_size, sn_oemdata_bufsize; @@ -89,7 +90,7 @@ static int sn_platform_plat_specific_err_print(const u8 * sect_header, u8 ** oemdata, u64 * oemdata_size) { - down(&sn_oemdata_mutex); + mutex_lock(&sn_oemdata_mutex); sn_oemdata = oemdata; sn_oemdata_size = oemdata_size; sn_oemdata_bufsize = 0; @@ -107,7 +108,7 @@ sn_platform_plat_specific_err_print(const u8 * sect_header, u8 ** oemdata, *sn_oemdata_size = 0; ia64_sn_plat_specific_err_print(print_hook, (char *)sect_header); } - up(&sn_oemdata_mutex); + mutex_unlock(&sn_oemdata_mutex); return 0; } |