/* arch/arm/plat-samsung/watchdog-reset.c
 *
 * Copyright (c) 2008 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
 *
 * Watchdog reset support for Samsung SoCs.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/of_address.h>

#define S3C2410_WTCON			0x00
#define S3C2410_WTDAT			0x04
#define S3C2410_WTCNT			0x08

#define S3C2410_WTCON_ENABLE		(1 << 5)
#define S3C2410_WTCON_DIV16		(0 << 3)
#define S3C2410_WTCON_RSTEN		(1 << 0)
#define S3C2410_WTCON_PRESCALE(x)	((x) << 8)

static void __iomem *wdt_base;
static struct clk *wdt_clock;

void samsung_wdt_reset(void)
{
	if (!wdt_base) {
		pr_err("%s: wdt reset not initialized\n", __func__);
		/* delay to allow the serial port to show the message */
		mdelay(50);
		return;
	}

	if (!IS_ERR(wdt_clock))
		clk_prepare_enable(wdt_clock);

	/* disable watchdog, to be safe  */
	__raw_writel(0, wdt_base + S3C2410_WTCON);

	/* put initial values into count and data */
	__raw_writel(0x80, wdt_base + S3C2410_WTCNT);
	__raw_writel(0x80, wdt_base + S3C2410_WTDAT);

	/* set the watchdog to go and reset... */
	__raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV16 |
			S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x20),
			wdt_base + S3C2410_WTCON);

	/* wait for reset to assert... */
	mdelay(500);

	pr_err("Watchdog reset failed to assert reset\n");

	/* delay to allow the serial port to show the message */
	mdelay(50);
}

#ifdef CONFIG_OF
static const struct of_device_id s3c2410_wdt_match[] = {
	{ .compatible = "samsung,s3c2410-wdt" },
	{},
};

void __init samsung_wdt_reset_of_init(void)
{
	struct device_node *np;

	np = of_find_matching_node(NULL, s3c2410_wdt_match);
	if (!np) {
		pr_err("%s: failed to find watchdog node\n", __func__);
		return;
	}

	wdt_base = of_iomap(np, 0);
	if (!wdt_base) {
		pr_err("%s: failed to map watchdog registers\n", __func__);
		return;
	}

	wdt_clock = of_clk_get(np, 0);
}
#endif

void __init samsung_wdt_reset_init(void __iomem *base)
{
	wdt_base = base;
	wdt_clock = clk_get(NULL, "watchdog");
}
pc/boot/dts/mpc8377_wlan.dts'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/arch?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>arch</a>/<a href='/cgit.cgi/linux/net-next.git/commit/arch/powerpc?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>powerpc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/arch/powerpc/boot?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>boot</a>/<a href='/cgit.cgi/linux/net-next.git/commit/arch/powerpc/boot/dts?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>dts</a>/<a href='/cgit.cgi/linux/net-next.git/commit/arch/powerpc/boot/dts/mpc8377_wlan.dts?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>mpc8377_wlan.dts</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='5db4992d8f040b8d8db0b86d42806e0c417f7ccf'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Tobias Klauser &lt;tklauser@distanz.ch&gt;</td><td class='right'>2016-10-20 15:44:19 +0200</td></tr>
<tr><th>committer</th><td>Tobias Klauser &lt;tklauser@distanz.ch&gt;</td><td class='right'>2017-02-15 10:34:18 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/arch/powerpc/boot/dts/mpc8377_wlan.dts?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>5db4992d8f040b8d8db0b86d42806e0c417f7ccf</a> (<a href='/cgit.cgi/linux/net-next.git/patch/arch/powerpc/boot/dts/mpc8377_wlan.dts?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>5b06e952af482d45f3ade64e77824662e34b7fa2</a> /<a href='/cgit.cgi/linux/net-next.git/tree/arch/powerpc/boot/dts/mpc8377_wlan.dts?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>arch/powerpc/boot/dts/mpc8377_wlan.dts</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/arch/powerpc/boot/dts/mpc8377_wlan.dts?id=370ebb0ef6255132373ed35d13e7b1d8d2eb7003'>370ebb0ef6255132373ed35d13e7b1d8d2eb7003</a> (<a href='/cgit.cgi/linux/net-next.git/diff/arch/powerpc/boot/dts/mpc8377_wlan.dts?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf&amp;id2=370ebb0ef6255132373ed35d13e7b1d8d2eb7003'>diff</a>)</td></tr></table>
<div class='commit-subject'>usbnet: pegasus: Use net_device_stats from struct net_device<span class='decoration'><a class='branch-deco' href='/cgit.cgi/linux/net-next.git/log/arch/powerpc/boot/dts/mpc8377_wlan.dts?h=nds-private-remove'>nds-private-remove</a></span></div><div class='commit-msg'>Instead of using a private copy of struct net_device_stats in struct
pegasus, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function.

Cc: Petko Manolov &lt;petkan@nucleusys.com&gt;
Cc: linux-usb@vger.kernel.org
Signed-off-by: Tobias Klauser &lt;tklauser@distanz.ch&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>Diffstat</a> (limited to 'arch/powerpc/boot/dts/mpc8377_wlan.dts')</div><table summary='diffstat' class='diffstat'>