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| author | Chen-Yu Tsai <wens@csie.org> | 2017-06-06 08:59:23 +0300 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-06-22 16:06:08 +0300 |
| commit | 9ce18f6f0b0c7463fcdce70c35db17a891adc90d (patch) | |
| tree | 54d55424e2223670e274b6700ba6e93e634b91a1 /drivers/irqchip/irq-sunxi-nmi.c | |
| parent | 3c2993b8c6143d8a5793746a54eba8f86f95240f (diff) | |
| download | linux-9ce18f6f0b0c7463fcdce70c35db17a891adc90d.tar.xz | |
irqchip/sunxi-nmi: Convert magic numbers to defines
The sunxi-nmi driver has a bunch of raw register offsets and bit values.
Convert them into define macros for better readability.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/irq-sunxi-nmi.c')
| -rw-r--r-- | drivers/irqchip/irq-sunxi-nmi.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c index 668730c5cb66..177efb473c7d 100644 --- a/drivers/irqchip/irq-sunxi-nmi.c +++ b/drivers/irqchip/irq-sunxi-nmi.c @@ -25,6 +25,20 @@ #define SUNXI_NMI_SRC_TYPE_MASK 0x00000003 +#define SUNXI_NMI_IRQ_BIT BIT(0) + +#define SUN6I_NMI_CTRL 0x00 +#define SUN6I_NMI_PENDING 0x04 +#define SUN6I_NMI_ENABLE 0x34 + +#define SUN7I_NMI_CTRL 0x00 +#define SUN7I_NMI_PENDING 0x04 +#define SUN7I_NMI_ENABLE 0x08 + +#define SUN9I_NMI_CTRL 0x00 +#define SUN9I_NMI_ENABLE 0x04 +#define SUN9I_NMI_PENDING 0x08 + enum { SUNXI_SRC_TYPE_LEVEL_LOW = 0, SUNXI_SRC_TYPE_EDGE_FALLING, @@ -39,21 +53,21 @@ struct sunxi_sc_nmi_reg_offs { }; static struct sunxi_sc_nmi_reg_offs sun7i_reg_offs = { - .ctrl = 0x00, - .pend = 0x04, - .enable = 0x08, + .ctrl = SUN7I_NMI_CTRL, + .pend = SUN7I_NMI_PENDING, + .enable = SUN7I_NMI_ENABLE, }; static struct sunxi_sc_nmi_reg_offs sun6i_reg_offs = { - .ctrl = 0x00, - .pend = 0x04, - .enable = 0x34, + .ctrl = SUN6I_NMI_CTRL, + .pend = SUN6I_NMI_PENDING, + .enable = SUN6I_NMI_ENABLE, }; static struct sunxi_sc_nmi_reg_offs sun9i_reg_offs = { - .ctrl = 0x00, - .pend = 0x08, - .enable = 0x04, + .ctrl = SUN9I_NMI_CTRL, + .pend = SUN9I_NMI_PENDING, + .enable = SUN9I_NMI_ENABLE, }; static inline void sunxi_sc_nmi_write(struct irq_chip_generic *gc, u32 off, @@ -188,7 +202,7 @@ static int __init sunxi_sc_nmi_irq_init(struct device_node *node, gc->chip_types[1].handler = handle_edge_irq; sunxi_sc_nmi_write(gc, reg_offs->enable, 0); - sunxi_sc_nmi_write(gc, reg_offs->pend, 0x1); + sunxi_sc_nmi_write(gc, reg_offs->pend, SUNXI_NMI_IRQ_BIT); irq_set_chained_handler_and_data(irq, sunxi_sc_nmi_handle_irq, domain); |