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 <>
Signed-off-by: default avatarPaul Mackerras <>
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);
* ps3_os_area_save_params - Copy data from os area mirror to @saved_params.
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