[SCSI] aic7xxx: semaphore to completion conversion

On Tue, Jan 31, 2006 at 06:20:18PM +0100, Christoph Hellwig wrote:
> switch eh_sem to a completion.  due to wait_for_completion_timeout this
> also nicely simplifies the code.  Unfortunately it's untested, so if
> someone with the hardware could give it a try that would be nice.  Once
> it works the same thing can be applied to aic79xx.

New version that switches to the common onstack completion and just a
pointer in the platform_data struct idiom.  This gets rid of all the
flags fiddling.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index e0edacae895f..a20b08c9ff15 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -369,15 +369,12 @@ struct ahc_platform_data {
 
         spinlock_t               spin_lock;
         u_int                    qfrozen;
-        struct semaphore         eh_sem;
+        struct completion       *eh_done;
         struct Scsi_Host        *host;          /* pointer to scsi host */
 #define AHC_LINUX_NOIRQ ((uint32_t)~0)
         uint32_t                 irq;           /* IRQ for this adapter */
         uint32_t                 bios_address;
         uint32_t                 mem_busaddr;   /* Mem Base Addr */
-
-#define AHC_UP_EH_SEMAPHORE      0x1
-        uint32_t                 flags;
 };
 
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