From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 9 Jan 2006 23:59:26 +0000 (-0800)
Subject: [PATCH] mutex subsystem, semaphore to completion: SX8
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=906c3b75f6c09b4693a20387aaa6aaa50d327082;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PATCH] mutex subsystem, semaphore to completion: SX8

change SX8 semaphores to completions.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index c0cdc182a8b0..4bdf95716e2b 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -27,8 +27,8 @@
 #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>
 
 #if 0
@@ -303,7 +303,7 @@ struct carm_host {
 
 	struct work_struct		fsm_task;
 
-	struct semaphore		probe_sem;
+	struct completion		probe_comp;
 };
 
 struct carm_response {
@@ -1346,7 +1346,7 @@ static void carm_fsm_task (void *_data)
 	}
 
 	case HST_PROBE_FINISHED:
-		up(&host->probe_sem);
+		complete(&host->probe_comp);
 		break;
 
 	case HST_ERROR:
@@ -1622,7 +1622,7 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	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;
@@ -1691,8 +1691,8 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	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,