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* [PATCH] irqchip: exynos-combiner: remove hard-coded irq_base value
@ 2013-09-16  5:31 Chander Kashyap
  2013-09-17 12:37 ` Tomasz Figa
  0 siblings, 1 reply; 3+ messages in thread
From: Chander Kashyap @ 2013-09-16  5:31 UTC (permalink / raw)
  To: linux-arm-kernel

Pass '0' in place of hardcoded "irq_base" value as "first_irq" parameter to
"irq_domain_add_simple" in order to use linear irq domain.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
---
 drivers/irqchip/exynos-combiner.c |   15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c
index 4c68265..b4ed356 100644
--- a/drivers/irqchip/exynos-combiner.c
+++ b/drivers/irqchip/exynos-combiner.c
@@ -206,8 +206,7 @@ static unsigned int combiner_lookup_irq(int group)
 
 static void __init combiner_init(void __iomem *combiner_base,
 				 struct device_node *np,
-				 unsigned int max_nr,
-				 int irq_base)
+				 unsigned int max_nr)
 {
 	int i, irq;
 	unsigned int nr_irq;
@@ -221,7 +220,7 @@ static void __init combiner_init(void __iomem *combiner_base,
 		return;
 	}
 
-	combiner_irq_domain = irq_domain_add_simple(np, nr_irq, irq_base,
+	combiner_irq_domain = irq_domain_add_simple(np, nr_irq, 0,
 				&combiner_irq_domain_ops, combiner_data);
 	if (WARN_ON(!combiner_irq_domain)) {
 		pr_warning("%s: irq domain init failed\n", __func__);
@@ -248,7 +247,6 @@ static int __init combiner_of_init(struct device_node *np,
 {
 	void __iomem *combiner_base;
 	unsigned int max_nr = 20;
-	int irq_base = -1;
 
 	combiner_base = of_iomap(np, 0);
 	if (!combiner_base) {
@@ -262,14 +260,7 @@ static int __init combiner_of_init(struct device_node *np,
 			__func__, max_nr);
 	}
 
-	/* 
-	 * FIXME: This is a hardwired COMBINER_IRQ(0,0). Once all devices
-	 * get their IRQ from DT, remove this in order to get dynamic
-	 * allocation.
-	 */
-	irq_base = 160;
-
-	combiner_init(combiner_base, np, max_nr, irq_base);
+	combiner_init(combiner_base, np, max_nr);
 
 	return 0;
 }
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH] irqchip: exynos-combiner: remove hard-coded irq_base value
  2013-09-16  5:31 [PATCH] irqchip: exynos-combiner: remove hard-coded irq_base value Chander Kashyap
@ 2013-09-17 12:37 ` Tomasz Figa
  2013-09-23 12:00   ` Chander Kashyap
  0 siblings, 1 reply; 3+ messages in thread
From: Tomasz Figa @ 2013-09-17 12:37 UTC (permalink / raw)
  To: linux-arm-kernel

Hi Chander,

On Monday 16 of September 2013 11:01:22 Chander Kashyap wrote:
> Pass '0' in place of hardcoded "irq_base" value as "first_irq" parameter
> to "irq_domain_add_simple" in order to use linear irq domain.
> 
> Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
> ---
>  drivers/irqchip/exynos-combiner.c |   15 +++------------
>  1 file changed, 3 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/irqchip/exynos-combiner.c
> b/drivers/irqchip/exynos-combiner.c index 4c68265..b4ed356 100644
> --- a/drivers/irqchip/exynos-combiner.c
> +++ b/drivers/irqchip/exynos-combiner.c
> @@ -206,8 +206,7 @@ static unsigned int combiner_lookup_irq(int group)
> 
>  static void __init combiner_init(void __iomem *combiner_base,
>  				 struct device_node *np,
> -				 unsigned int max_nr,
> -				 int irq_base)
> +				 unsigned int max_nr)
>  {
>  	int i, irq;
>  	unsigned int nr_irq;
> @@ -221,7 +220,7 @@ static void __init combiner_init(void __iomem
> *combiner_base, return;
>  	}
> 
> -	combiner_irq_domain = irq_domain_add_simple(np, nr_irq, irq_base,
> +	combiner_irq_domain = irq_domain_add_simple(np, nr_irq, 0,
>  				&combiner_irq_domain_ops, combiner_data);

I believe you can safely go with calling irq_domain_add_linear() directly 
here.

Otherwise the patch looks good.

Best regards,
Tomasz

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] irqchip: exynos-combiner: remove hard-coded irq_base value
  2013-09-17 12:37 ` Tomasz Figa
@ 2013-09-23 12:00   ` Chander Kashyap
  0 siblings, 0 replies; 3+ messages in thread
From: Chander Kashyap @ 2013-09-23 12:00 UTC (permalink / raw)
  To: linux-arm-kernel

On 17 September 2013 18:07, Tomasz Figa <t.figa@samsung.com> wrote:
> Hi Chander,
>
> On Monday 16 of September 2013 11:01:22 Chander Kashyap wrote:
>> Pass '0' in place of hardcoded "irq_base" value as "first_irq" parameter
>> to "irq_domain_add_simple" in order to use linear irq domain.
>>
>> Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
>> ---
>>  drivers/irqchip/exynos-combiner.c |   15 +++------------
>>  1 file changed, 3 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/irqchip/exynos-combiner.c
>> b/drivers/irqchip/exynos-combiner.c index 4c68265..b4ed356 100644
>> --- a/drivers/irqchip/exynos-combiner.c
>> +++ b/drivers/irqchip/exynos-combiner.c
>> @@ -206,8 +206,7 @@ static unsigned int combiner_lookup_irq(int group)
>>
>>  static void __init combiner_init(void __iomem *combiner_base,
>>                                struct device_node *np,
>> -                              unsigned int max_nr,
>> -                              int irq_base)
>> +                              unsigned int max_nr)
>>  {
>>       int i, irq;
>>       unsigned int nr_irq;
>> @@ -221,7 +220,7 @@ static void __init combiner_init(void __iomem
>> *combiner_base, return;
>>       }
>>
>> -     combiner_irq_domain = irq_domain_add_simple(np, nr_irq, irq_base,
>> +     combiner_irq_domain = irq_domain_add_simple(np, nr_irq, 0,
>>                               &combiner_irq_domain_ops, combiner_data);
>
> I believe you can safely go with calling irq_domain_add_linear() directly
> here.

Yes, I will replace the call and resend the patch.

thanks
>
> Otherwise the patch looks good.
>
> Best regards,
> Tomasz
>



-- 
with warm regards,
Chander Kashyap

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-09-23 12:00 UTC | newest]

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2013-09-16  5:31 [PATCH] irqchip: exynos-combiner: remove hard-coded irq_base value Chander Kashyap
2013-09-17 12:37 ` Tomasz Figa
2013-09-23 12:00   ` Chander Kashyap

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