[PATCH 1/3] ARM: Samsung: Move timer irq numbers to end of linux irq space

Grant Likely grant.likely at secretlab.ca
Fri Oct 21 15:45:17 EDT 2011 

On Fri, Oct 21, 2011 at 06:56:52PM +0900, Kukjin Kim wrote:
> Changhwan Youn wrote:
> > 
> > Hi Thomas,
> > 
> > All UART_IRQ_RXD, TXD, ERR of Samsung's platforms are also statically
> > mapped to linux irq numbers 16 to 31. These interrupts also need proper
> handling.
> > 
> > Best regards,
> > Changhwan Youn
> > 
> 
> Hi all,
> 
> Hmm, I'd like to apply Thomas' device tree series for EXYNOS4 and Samsung
> stuff for upcoming merge window but there are still some comments on some
> stuff and that should be fixed before applying. In addition I need to keep
> the ordering to apply them to avoid conflicts. But as you know, v3.1 is now
> close at hand and we don't have enough time for it now :(
> 
> I will leave tomorrow morning (KST) for KS. I will talk to Grant Likely
> about this in Prague :)

One of the goals I have for the hacking summit is to get as much of
the outstanding DT patches queued up and into linux-next.

g.

> 
> Thanks.
> 
> Best regards,
> Kgene.
> --
> Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
> SW Solution Development Team, Samsung Electronics Co., Ltd.
> 
> > On 10/10/2011 03:11 AM, Thomas Abraham wrote:
> > > All of Samsung's s5p platforms have timer irqs statically mapped from
> linux
> > > irq numbers 11 to 15. These timer irqs are moved to end of the
> statically
> > > mapped linux irq space and the hardware irqs, which were statically
> mapped
> > > starting from 32 is moved to start from 0. The NR_IRQS macro is
> consolidated
> > > for all the s5p platforms in this process.
> > >
> > > Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
> > > ---
> > >  arch/arm/mach-exynos4/include/mach/entry-macro.S |    1 -
> > >  arch/arm/mach-exynos4/include/mach/irqs.h        |    3 +--
> > >  arch/arm/mach-s5p64x0/include/mach/irqs.h        |    4 +---
> > >  arch/arm/mach-s5pc100/include/mach/irqs.h        |    3 +--
> > >  arch/arm/mach-s5pv210/include/mach/irqs.h        |    3 +--
> > >  arch/arm/plat-samsung/include/plat/irqs.h        |    7 +++++--
> > >  6 files changed, 9 insertions(+), 12 deletions(-)
> > >
> > > diff --git a/arch/arm/mach-exynos4/include/mach/entry-macro.S
> b/arch/arm/mach-
> > > exynos4/include/mach/entry-macro.S
> > > index 4c9adbd..5c4fbcc 100644
> > > --- a/arch/arm/mach-exynos4/include/mach/entry-macro.S
> > > +++ b/arch/arm/mach-exynos4/include/mach/entry-macro.S
> > > @@ -72,7 +72,6 @@
> > >  		cmpcc	\irqnr, \irqnr
> > >  		cmpne	\irqnr, \tmp
> > >  		cmpcs	\irqnr, \irqnr
> > > -		addne	\irqnr, \irqnr, #32
> > >
> > >  		.endm
> > >
> > > diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-
> > exynos4/include/mach/irqs.h
> > > index dfd4b7e..43087c3 100644
> > > --- a/arch/arm/mach-exynos4/include/mach/irqs.h
> > > +++ b/arch/arm/mach-exynos4/include/mach/irqs.h
> > > @@ -163,7 +163,6 @@
> > >  #define IRQ_GPIO2_NR_GROUPS	9
> > >  #define IRQ_GPIO_END		(S5P_GPIOINT_BASE +
> > S5P_GPIOINT_COUNT)
> > >
> > > -/* Set the default NR_IRQS */
> > > -#define NR_IRQS			(IRQ_GPIO_END + 64)
> > > +#define IRQ_TIMER_BASE		(IRQ_GPIO_END + 64)
> > >
> > >  #endif /* __ASM_ARCH_IRQS_H */
> > > diff --git a/arch/arm/mach-s5p64x0/include/mach/irqs.h b/arch/arm/mach-
> > s5p64x0/include/mach/irqs.h
> > > index 53982db..bea73cc 100644
> > > --- a/arch/arm/mach-s5p64x0/include/mach/irqs.h
> > > +++ b/arch/arm/mach-s5p64x0/include/mach/irqs.h
> > > @@ -141,8 +141,6 @@
> > >
> > >  #define IRQ_EINT_GROUP(grp, x)	(IRQ_EINT_GROUP##grp##_BASE +
> > (x))
> > >
> > > -/* Set the default NR_IRQS */
> > > -
> > > -#define NR_IRQS			(IRQ_EINT_GROUP8_BASE +
> > IRQ_EINT_GROUP8_NR + 1)
> > > +#define IRQ_TIMER_BASE		(IRQ_EINT_GROUP8_BASE +
> > IRQ_EINT_GROUP8_NR + 1)
> > >
> > >  #endif /* __ASM_ARCH_IRQS_H */
> > > diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-
> > s5pc100/include/mach/irqs.h
> > > index d2eb475..3a9d300 100644
> > > --- a/arch/arm/mach-s5pc100/include/mach/irqs.h
> > > +++ b/arch/arm/mach-s5pc100/include/mach/irqs.h
> > > @@ -104,8 +104,7 @@
> > >  #define S5P_GPIOINT_BASE	(IRQ_EINT(31) + 1)
> > >  #define S5P_GPIOINT_GROUP_MAXNR	21
> > >
> > > -/* Set the default NR_IRQS */
> > > -#define NR_IRQS			(IRQ_EINT(31) +
> > S5P_GPIOINT_COUNT + 1)
> > > +#define IRQ_TIMER_BASE		(IRQ_EINT(31) +
> > S5P_GPIOINT_COUNT + 1)
> > >
> > >  /* Compatibility */
> > >  #define IRQ_LCD_FIFO		IRQ_LCD0
> > > diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-
> > s5pv210/include/mach/irqs.h
> > > index 5e0de3a..df3173a 100644
> > > --- a/arch/arm/mach-s5pv210/include/mach/irqs.h
> > > +++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
> > > @@ -125,8 +125,7 @@
> > >  #define S5P_GPIOINT_BASE	(IRQ_EINT(31) + 1)
> > >  #define S5P_GPIOINT_GROUP_MAXNR	22
> > >
> > > -/* Set the default NR_IRQS */
> > > -#define NR_IRQS			(IRQ_EINT(31) +
> > S5P_GPIOINT_COUNT + 1)
> > > +#define IRQ_TIMER_BASE		(IRQ_EINT(31) +
> > S5P_GPIOINT_COUNT + 1)
> > >
> > >  /* Compatibility */
> > >  #define IRQ_LCD_FIFO		IRQ_LCD0
> > > diff --git a/arch/arm/plat-samsung/include/plat/irqs.h b/arch/arm/plat-
> > samsung/include/plat/irqs.h
> > > index 08d1a7e..b8918b3 100644
> > > --- a/arch/arm/plat-samsung/include/plat/irqs.h
> > > +++ b/arch/arm/plat-samsung/include/plat/irqs.h
> > > @@ -22,7 +22,7 @@
> > >   * mulitple of 32 to allow the common code to work
> > >   */
> > >
> > > -#define S5P_IRQ_OFFSET		(32)
> > > +#define S5P_IRQ_OFFSET		(0)
> > >
> > >  #define S5P_IRQ(x)		((x) + S5P_IRQ_OFFSET)
> > >
> > > @@ -44,13 +44,14 @@
> > >  #define S5P_IRQ_VIC2(x)		(S5P_VIC2_BASE + (x))
> > >  #define S5P_IRQ_VIC3(x)		(S5P_VIC3_BASE + (x))
> > >
> > > -#define S5P_TIMER_IRQ(x)	(11 + (x))
> > > +#define S5P_TIMER_IRQ(x)	(IRQ_TIMER_BASE + (x))
> > >
> > >  #define IRQ_TIMER0		S5P_TIMER_IRQ(0)
> > >  #define IRQ_TIMER1		S5P_TIMER_IRQ(1)
> > >  #define IRQ_TIMER2		S5P_TIMER_IRQ(2)
> > >  #define IRQ_TIMER3		S5P_TIMER_IRQ(3)
> > >  #define IRQ_TIMER4		S5P_TIMER_IRQ(4)
> > > +#define IRQ_TIMER_COUNT		(5)
> > >
> > >  #define IRQ_EINT(x)		((x) < 16 ? ((x) + S5P_EINT_BASE1) \
> > >  					: ((x) - 16 + S5P_EINT_BASE2))
> > > @@ -77,4 +78,6 @@
> > >  #define S5P_IRQ_TYPE_EDGE_RISING	(0x03)
> > >  #define S5P_IRQ_TYPE_EDGE_BOTH		(0x04)
> > >
> > > +#define NR_IRQS			(IRQ_TIMER_BASE +
> > IRQ_TIMER_COUNT)
> > > +
> > >  #endif /* __PLAT_SAMSUNG_IRQS_H */
> > > --
> > > 1.6.6.rc2
> > >
> > >
> > > _______________________________________________
> > > linux-arm-kernel mailing list
> > > linux-arm-kernel at lists.infradead.org
> > > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>

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