Commit 418ef209 authored by Geoff Levand's avatar Geoff Levand Committed by Paul Mackerras
Browse files

[POWERPC] PS3: os-area workqueue processing



Add a workqueue to the PS3 os-area support.  This is needed to
support writing updates to flash memory and to update the /proc
device tree entries from the timer tick interrupt context.
Signed-off-by: default avatarGeoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 01263e88
......@@ -20,6 +20,7 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/workqueue.h>
#include <asm/lmb.h>
......@@ -186,6 +187,28 @@ static int __init verify_header(const struct os_area_header *header)
return 0;
}
/**
* os_area_queue_work_handler - Asynchronous write handler.
*
* An asynchronous write for flash memory and the device tree. Do not
* call directly, use os_area_queue_work().
*/
static void os_area_queue_work_handler(struct work_struct *work)
{
pr_debug(" -> %s:%d\n", __func__, __LINE__);
pr_debug(" <- %s:%d\n", __func__, __LINE__);
}
static void os_area_queue_work(void)
{
static DECLARE_WORK(q, os_area_queue_work_handler);
wmb();
schedule_work(&q);
}
/**
* ps3_os_area_save_params - Copy data from os area mirror to @saved_params.
*
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment