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Mon, 6 Jul 2020 16:33:31 +0000 From: Timothy Myers To: Wim Van Sebroeck , Guenter Roeck , "linux-watchdog@vger.kernel.org" CC: "linux-kernel@vger.kernel.org" , David Boike Subject: [PATCH v3 1/1] watchdog: Add common nowayout parameter to booke_wdt driver Thread-Topic: [PATCH v3 1/1] watchdog: Add common nowayout parameter to booke_wdt driver Thread-Index: AQHWU7JDRSh3gBbtWE2YCV42YoqLzw== Date: Mon, 6 Jul 2020 16:33:31 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: linux-watchdog.org; dkim=none (message not signed) header.d=none;linux-watchdog.org; dmarc=none action=none header.from=adtran.com; x-originating-ip: [24.96.75.246] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2b436e88-8fc4-4e25-b60b-08d821ca51c0 x-ms-traffictypediagnostic: CH2PR19MB3990: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:989; x-forefront-prvs: 04569283F9 x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: adtran.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH2PR19MB3590.namprd19.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2b436e88-8fc4-4e25-b60b-08d821ca51c0 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Jul 2020 16:33:31.0550 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 423946e4-28c0-4deb-904c-a4a4b174fb3f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 9a0cQ2pECW4oBwVw8oHyA4/DFBn6+SWLlBDZDvW6RNRHU/f1J0fhQ6aFLraB57QXhqc2AqLnDq5+iiistiz5F010w+nP9obV/PGihw67fiQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR19MB3990 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the common "nowayout" parameter to booke_wdt to make this behavior=0A= selectable at runtime and to make the implementation more consistent with= =0A= many other watchdog drivers.=0A= =0A= Signed-off-by: Timothy Myers =0A= Reviewed-by: Guenter Roeck =0A= =0A= Changes in:=0A= v2:=0A= Added Guenter Roeck's reviewed-by tag at his request=0A= v3:=0A= Fix whitespace formatting in message.=0A= ---=0A= drivers/watchdog/booke_wdt.c | 6 +++++-=0A= 1 file changed, 5 insertions(+), 1 deletion(-)=0A= =0A= diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c=0A= index 9d09bbfdef20..7817fb976f9c 100644=0A= --- a/drivers/watchdog/booke_wdt.c=0A= +++ b/drivers/watchdog/booke_wdt.c=0A= @@ -39,6 +39,11 @@ static bool booke_wdt_enabled;=0A= module_param(booke_wdt_enabled, bool, 0);=0A= static int booke_wdt_period =3D CONFIG_BOOKE_WDT_DEFAULT_TIMEOUT;=0A= module_param(booke_wdt_period, int, 0);=0A= +static bool nowayout =3D WATCHDOG_NOWAYOUT;=0A= +module_param(nowayout, bool, 0);=0A= +MODULE_PARM_DESC(nowayout,=0A= + "Watchdog cannot be stopped once started (default=3D"=0A= + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");=0A= =0A= #ifdef CONFIG_PPC_FSL_BOOK3E=0A= =0A= @@ -215,7 +220,6 @@ static void __exit booke_wdt_exit(void)=0A= static int __init booke_wdt_init(void)=0A= {=0A= int ret =3D 0;=0A= - bool nowayout =3D WATCHDOG_NOWAYOUT;=0A= =0A= pr_info("powerpc book-e watchdog driver loaded\n");=0A= booke_wdt_info.firmware_version =3D cur_cpu_spec->pvr_value;=0A= =0A= base-commit: dd0d718152e4c65b173070d48ea9dfc06894c3e5=0A= -- =0A= 2.20.1=0A= =0A= Timothy Myers=0A= Software Design Engineer=0A= =0A= Office: 256.963.8844=0A= Email: timothy.myers@adtran.com=0A= Web:=A0www.adtran.com=0A= =0A= ADTRAN=0A= 901 Explorer Boulevard=A0=0A= Huntsville, AL 35806 - USA=