linux-kernel - [PATCH 3/3] watchdog: xilinx: Add WDIOC

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Date:	Thu, 30 May 2013 14:26:04 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	linux-kernel@...r.kernel.org
Cc:	Michal Simek <monstr@...str.eu>,
	Michal Simek <michal.simek@...inx.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	linux-watchdog@...r.kernel.org
Subject: [PATCH 3/3] watchdog: xilinx: Add WDIOC_SETTIMEOUT ioctl function

Standard watchdog programs try to setup timeout
via ioctl and this functionality should be implemented.
Timeout value is hardcoded in the hardware but
based on Documentation/watchdog/watchdog-api.txt
can return the real timeout used in the same variable.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---
 drivers/watchdog/of_xilinx_wdt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index 79f358c..a3bbe72 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -253,6 +253,7 @@ static long xwdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		xwdt_keepalive();
 		return 0;

+	case WDIOC_SETTIMEOUT:
 	case WDIOC_GETTIMEOUT:
 		if (no_timeout)
 			return -ENOTTY;
--
1.8.2.3


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