[patch 11/15] Generic Mutex Subsystem, sx8-sem2completions.patch

From: Ingo Molnar
Date: Sun Dec 18 2005 - 20:39:12 EST



change SX8 semaphores to completions.

From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>

----

drivers/block/sx8.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)

Index: linux/drivers/block/sx8.c
===================================================================
--- linux.orig/drivers/block/sx8.c
+++ linux/drivers/block/sx8.c
@@ -27,6 +27,7 @@
#include <linux/time.h>
#include <linux/hdreg.h>
#include <linux/dma-mapping.h>
+#include <linux/completion.h>
#include <asm/io.h>
#include <asm/semaphore.h>
#include <asm/uaccess.h>
@@ -303,7 +304,7 @@ struct carm_host {

struct work_struct fsm_task;

- struct semaphore probe_sem;
+ struct completion probe_comp;
};

struct carm_response {
@@ -1365,7 +1366,7 @@ static void carm_fsm_task (void *_data)
}

case HST_PROBE_FINISHED:
- up(&host->probe_sem);
+ complete(&host->probe_comp);
break;

case HST_ERROR:
@@ -1641,7 +1642,7 @@ static int carm_init_one (struct pci_dev
host->flags = pci_dac ? FL_DAC : 0;
spin_lock_init(&host->lock);
INIT_WORK(&host->fsm_task, carm_fsm_task, host);
- init_MUTEX_LOCKED(&host->probe_sem);
+ init_completion(&host->probe_comp);

for (i = 0; i < ARRAY_SIZE(host->req); i++)
host->req[i].tag = i;
@@ -1710,8 +1711,8 @@ static int carm_init_one (struct pci_dev
if (rc)
goto err_out_free_irq;

- DPRINTK("waiting for probe_sem\n");
- down(&host->probe_sem);
+ DPRINTK("waiting for probe_comp\n");
+ wait_for_completion(&host->probe_comp);

printk(KERN_INFO "%s: pci %s, ports %d, io %lx, irq %u, major %d\n",
host->name, pci_name(pdev), (int) CARM_MAX_PORTS,
-
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