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Fri, 15 Nov 2019 08:30:13 +0000 From: To: , , , , , , Subject: [PATCH v4 1/3] watchdog: sama5d4_wdt: cleanup the bit definitions Thread-Topic: [PATCH v4 1/3] watchdog: sama5d4_wdt: cleanup the bit definitions Thread-Index: AQHVm47mrdt0TEc0UU6bOrM4Tw2r3w== Date: Fri, 15 Nov 2019 08:30:13 +0000 Message-ID: <1573806579-7981-1-git-send-email-eugen.hristev@microchip.com> Accept-Language: en-US, ro-RO Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM0PR06CA0076.eurprd06.prod.outlook.com (2603:10a6:208:fa::17) To DM5PR11MB1242.namprd11.prod.outlook.com (2603:10b6:3:14::8) x-mailer: git-send-email 2.7.4 x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 528c7047-88ce-4c28-c1bd-08d769a608d3 x-ms-traffictypediagnostic: DM5PR11MB0059: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5516; x-forefront-prvs: 02229A4115 x-forefront-antispam-report: SFV:NSPM; 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X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [68.232.147.91 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eugen.Hristev@microchip.com, linux-watchdog@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Eugen Hristev Cleanup the macro definitions to use BIT and align with two spaces. Signed-off-by: Eugen Hristev Reviewed-by: Guenter Roeck --- Changes in v4: - added UL suffix to value macros to avoid compile warnings - modified file header to include new copyright and datasheet - include linux/bits.h Changes in v3: - new patch as requested from review on ML drivers/watchdog/at91sam9_wdt.h | 34 +++++++++++++++++++--------------- 1 file changed, 19 insertions(+), 15 deletions(-) diff --git a/drivers/watchdog/at91sam9_wdt.h b/drivers/watchdog/at91sam9_wdt.h index 390941c..abfe34d 100644 --- a/drivers/watchdog/at91sam9_wdt.h +++ b/drivers/watchdog/at91sam9_wdt.h @@ -4,33 +4,37 @@ * * Copyright (C) 2007 Andrew Victor * Copyright (C) 2007 Atmel Corporation. + * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries * * Watchdog Timer (WDT) - System peripherals regsters. * Based on AT91SAM9261 datasheet revision D. + * Based on SAM9X60 datasheet. * */ #ifndef AT91_WDT_H #define AT91_WDT_H +#include + #define AT91_WDT_CR 0x00 /* Watchdog Control Register */ -#define AT91_WDT_WDRSTT (1 << 0) /* Restart */ -#define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */ +#define AT91_WDT_WDRSTT BIT(0) /* Restart */ +#define AT91_WDT_KEY (0xa5UL << 24) /* KEY Password */ #define AT91_WDT_MR 0x04 /* Watchdog Mode Register */ -#define AT91_WDT_WDV (0xfff << 0) /* Counter Value */ -#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV) -#define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */ -#define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */ -#define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */ -#define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */ -#define AT91_WDT_WDD (0xfff << 16) /* Delta Value */ -#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD) -#define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */ -#define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */ +#define AT91_WDT_WDV (0xfffUL << 0) /* Counter Value */ +#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV) +#define AT91_WDT_WDFIEN BIT(12) /* Fault Interrupt Enable */ +#define AT91_WDT_WDRSTEN BIT(13) /* Reset Processor */ +#define AT91_WDT_WDRPROC BIT(14) /* Timer Restart */ +#define AT91_WDT_WDDIS BIT(15) /* Watchdog Disable */ +#define AT91_WDT_WDD (0xfffUL << 16) /* Delta Value */ +#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD) +#define AT91_WDT_WDDBGHLT BIT(28) /* Debug Halt */ +#define AT91_WDT_WDIDLEHLT BIT(29) /* Idle Halt */ -#define AT91_WDT_SR 0x08 /* Watchdog Status Register */ -#define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */ -#define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */ +#define AT91_WDT_SR 0x08 /* Watchdog Status Register */ +#define AT91_WDT_WDUNF BIT(0) /* Watchdog Underflow */ +#define AT91_WDT_WDERR BIT(1) /* Watchdog Error */ #endif