Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

arch/powerpc/platforms/ps3/os-area.c

+23 −0
Original line number Diff line number Diff line
@@ -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.

 *