Re: [PATCH 4/5] irqchip: armada-370-xp: re-order register definitions

[Gregory CLEMENT <gregory.clement@free-electrons.com>]

Hi Thomas,
 
 On mar., oct. 20 2015, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote:

> In order to clarify to which register base the various register
> definitions apply, this commit re-orders them, and adds a comment that
> clearly indicate which registers are relative to "main_int_base" and
> which registers are relative to "per_cpu_int_base".
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

Thanks,

Gregory

> ---
>  drivers/irqchip/irq-armada-370-xp.c | 21 ++++++++++-----------
>  1 file changed, 10 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
> index 106ac4c..888add6 100644
> --- a/drivers/irqchip/irq-armada-370-xp.c
> +++ b/drivers/irqchip/irq-armada-370-xp.c
> @@ -34,25 +34,24 @@
>  #include <asm/smp_plat.h>
>  #include <asm/mach/irq.h>
>  
> -/* Interrupt Controller Registers Map */
> -#define ARMADA_370_XP_INT_SET_MASK_OFFS		(0x48)
> -#define ARMADA_370_XP_INT_CLEAR_MASK_OFFS	(0x4C)
> -#define ARMADA_370_XP_INT_FABRIC_MASK_OFFS	(0x54)
> -#define ARMADA_370_XP_INT_CAUSE_PERF(cpu)	(1 << cpu)
> -
> +/* Registers relative to main_int_base */
>  #define ARMADA_370_XP_INT_CONTROL		(0x00)
> +#define ARMADA_370_XP_SW_TRIG_INT_OFFS		(0x04)
>  #define ARMADA_370_XP_INT_SET_ENABLE_OFFS	(0x30)
>  #define ARMADA_370_XP_INT_CLEAR_ENABLE_OFFS	(0x34)
>  #define ARMADA_370_XP_INT_SOURCE_CTL(irq)	(0x100 + irq*4)
>  #define ARMADA_370_XP_INT_SOURCE_CPU_MASK	0xF
>  #define ARMADA_370_XP_INT_IRQ_FIQ_MASK(cpuid)	((BIT(0) | BIT(8)) << cpuid)
>  
> -#define ARMADA_370_XP_CPU_INTACK_OFFS		(0x44)
> +/* Registers relative to per_cpu_int_base */
> +#define ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS	(0x08)
> +#define ARMADA_370_XP_IN_DRBEL_MSK_OFFS		(0x0c)
>  #define ARMADA_375_PPI_CAUSE			(0x10)
> -
> -#define ARMADA_370_XP_SW_TRIG_INT_OFFS           (0x4)
> -#define ARMADA_370_XP_IN_DRBEL_MSK_OFFS          (0xc)
> -#define ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS        (0x8)
> +#define ARMADA_370_XP_CPU_INTACK_OFFS		(0x44)
> +#define ARMADA_370_XP_INT_SET_MASK_OFFS		(0x48)
> +#define ARMADA_370_XP_INT_CLEAR_MASK_OFFS	(0x4C)
> +#define ARMADA_370_XP_INT_FABRIC_MASK_OFFS	(0x54)
> +#define ARMADA_370_XP_INT_CAUSE_PERF(cpu)	(1 << cpu)
>  
>  #define ARMADA_370_XP_MAX_PER_CPU_IRQS		(28)
>  
> -- 
> 2.6.2
>

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com