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| author | Guenter Roeck <linux@roeck-us.net> | 2017-12-24 13:04:15 -0800 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2018-01-21 12:56:37 +0100 |
| commit | 17b20833ff427e285e36e4ce6e5dc8b0046fa0a4 (patch) | |
| tree | d2b8f84e4e1da57c7e47b8b4275d8192fca389fc /drivers/watchdog/sp5100_tco.h | |
| parent | 7cd9d5fff792026a908ccf3c229e1ec84668733c (diff) | |
| download | linux-17b20833ff427e285e36e4ce6e5dc8b0046fa0a4.tar.gz linux-17b20833ff427e285e36e4ce6e5dc8b0046fa0a4.tar.bz2 linux-17b20833ff427e285e36e4ce6e5dc8b0046fa0a4.zip | |
watchdog: sp5100_tco: Use bit operations
Using bit operations makes it easier to improve the driver.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/sp5100_tco.h')
| -rw-r--r-- | drivers/watchdog/sp5100_tco.h | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/watchdog/sp5100_tco.h b/drivers/watchdog/sp5100_tco.h index cc00f1157220..ca0721c8d879 100644 --- a/drivers/watchdog/sp5100_tco.h +++ b/drivers/watchdog/sp5100_tco.h @@ -7,6 +7,8 @@ * TCO timer driver for sp5100 chipsets */ +#include <linux/bitops.h> + /* * Some address definitions for the Watchdog */ @@ -14,10 +16,10 @@ #define SP5100_WDT_CONTROL(base) ((base) + 0x00) /* Watchdog Control */ #define SP5100_WDT_COUNT(base) ((base) + 0x04) /* Watchdog Count */ -#define SP5100_WDT_START_STOP_BIT (1 << 0) -#define SP5100_WDT_FIRED (1 << 1) -#define SP5100_WDT_ACTION_RESET (1 << 2) -#define SP5100_WDT_TRIGGER_BIT (1 << 7) +#define SP5100_WDT_START_STOP_BIT BIT(0) +#define SP5100_WDT_FIRED BIT(1) +#define SP5100_WDT_ACTION_RESET BIT(2) +#define SP5100_WDT_TRIGGER_BIT BIT(7) #define SP5100_PM_IOPORTS_SIZE 0x02 @@ -37,10 +39,10 @@ #define SP5100_PM_WATCHDOG_BASE 0x6C #define SP5100_PCI_WATCHDOG_MISC_REG 0x41 -#define SP5100_PCI_WATCHDOG_DECODE_EN (1 << 3) +#define SP5100_PCI_WATCHDOG_DECODE_EN BIT(3) -#define SP5100_PM_WATCHDOG_DISABLE (1 << 0) -#define SP5100_PM_WATCHDOG_SECOND_RES (3 << 1) +#define SP5100_PM_WATCHDOG_DISABLE ((u8)BIT(0)) +#define SP5100_PM_WATCHDOG_SECOND_RES GENMASK(2, 1) #define SP5100_DEVNAME "SP5100 TCO" @@ -50,12 +52,11 @@ #define SB800_PM_WATCHDOG_BASE 0x48 #define SB800_PM_WATCHDOG_CONFIG 0x4C -#define SB800_PCI_WATCHDOG_DECODE_EN (1 << 0) -#define SB800_PM_WATCHDOG_DISABLE (1 << 1) -#define SB800_PM_WATCHDOG_SECOND_RES (3 << 0) -#define SB800_ACPI_MMIO_DECODE_EN (1 << 0) -#define SB800_ACPI_MMIO_SEL (1 << 1) - +#define SB800_PCI_WATCHDOG_DECODE_EN BIT(0) +#define SB800_PM_WATCHDOG_DISABLE ((u8)BIT(1)) +#define SB800_PM_WATCHDOG_SECOND_RES GENMASK(1, 0) +#define SB800_ACPI_MMIO_DECODE_EN BIT(0) +#define SB800_ACPI_MMIO_SEL BIT(1) #define SB800_PM_WDT_MMIO_OFFSET 0xB00 |