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Revision 5fe65ce7ccbb47b16e17a88bcdac73cffadb80fa authored by Markus Pargmann on 08 September 2014, 07:14:07 UTC, committed by Wim Van Sebroeck on 21 January 2015, 13:52:23 UTC 
watchdog: imx2_wdt: Disable power down counter on boot
 
Disable power down counter of the watchdog to avoid system resets. The
watchdog power down counter is set automatically by the chip. If it is
not set to 0 in the driver, the system resets.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
1 parent bbd5900
Raw File
cfdbgl.c 
/*
 * Copyright (C) ST-Ericsson AB 2010
 * Author:	Sjur Brendeland
 * License terms: GNU General Public License (GPL) version 2
 */

#define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__

#include <linux/stddef.h>
#include <linux/slab.h>
#include <net/caif/caif_layer.h>
#include <net/caif/cfsrvl.h>
#include <net/caif/cfpkt.h>

#define container_obj(layr) ((struct cfsrvl *) layr)

static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt);
static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt);

struct cflayer *cfdbgl_create(u8 channel_id, struct dev_info *dev_info)
{
	struct cfsrvl *dbg = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC);
	if (!dbg)
		return NULL;
	caif_assert(offsetof(struct cfsrvl, layer) == 0);
	cfsrvl_init(dbg, channel_id, dev_info, false);
	dbg->layer.receive = cfdbgl_receive;
	dbg->layer.transmit = cfdbgl_transmit;
	snprintf(dbg->layer.name, CAIF_LAYER_NAME_SZ - 1, "dbg%d", channel_id);
	return &dbg->layer;
}

static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt)
{
	return layr->up->receive(layr->up, pkt);
}

static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt)
{
	struct cfsrvl *service = container_obj(layr);
	struct caif_payload_info *info;
	int ret;

	if (!cfsrvl_ready(service, &ret)) {
		cfpkt_destroy(pkt);
		return ret;
	}

	/* Add info for MUX-layer to route the packet out */
	info = cfpkt_info(pkt);
	info->channel_id = service->layer.id;
	info->dev_info = &service->dev_info;

	return layr->dn->transmit(layr->dn, pkt);
}
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