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n64: use enums for reg

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Macros tend to be not type-safe. Use enum for register definitions.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Lauri Kasanen <cand@gmx.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Chaitanya Kulkarni
2021-01-25 15:32:38 -08:00
committed by Thomas Bogendoerfer
parent e39e313263
commit 2ce503b35d
1 changed files with 7 additions and 5 deletions
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12
drivers/block/n64cart.c
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@@ -13,11 +13,13 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#define PI_DRAM_REG 0
#define PI_CART_REG 1
#define PI_READ_REG 2
#define PI_WRITE_REG 3
#define PI_STATUS_REG 4
enum {
PI_DRAM_REG = 0,
PI_CART_REG,
PI_READ_REG,
PI_WRITE_REG,
PI_STATUS_REG,
};
#define PI_STATUS_DMA_BUSY (1 << 0)
#define PI_STATUS_IO_BUSY (1 << 1)