From mboxrd@z Thu Jan 1 00:00:00 1970 From: robherring2@gmail.com (Rob Herring) Date: Wed, 14 Dec 2011 15:23:19 -0600 Subject: [PATCH 3/9] irq: convert generic-chip to use irq_domain In-Reply-To: References: <1323876538-20406-1-git-send-email-robherring2@gmail.com> <1323876538-20406-4-git-send-email-robherring2@gmail.com> Message-ID: <4EE913C7.1060901@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 12/14/2011 03:14 PM, Grant Likely wrote: > On Wed, Dec 14, 2011 at 8:28 AM, Rob Herring wrote: >> From: Rob Herring >> >> Add irq domain support to irq generic-chip. This enables users of >> generic-chip to support dynamic irq assignment needed for DT interrupt >> binding. Users must be converted to use irq_data.hwirq for determining >> local interrupt numbers rather than using the Linux irq number. >> >> irq_base is kept for now as there are a few users of it. Once they >> are converted to use the irq domain, it can be removed. >> >> Signed-off-by: Rob Herring >> Cc: Thomas Gleixner >> --- >> include/linux/irq.h | 2 +- >> kernel/irq/Kconfig | 1 + >> kernel/irq/generic-chip.c | 57 ++++++++++++++++++++++++++++---------------- >> 3 files changed, 38 insertions(+), 22 deletions(-) >> >> diff --git a/include/linux/irq.h b/include/linux/irq.h >> index bff29c5..9ba8a30 100644 >> --- a/include/linux/irq.h >> +++ b/include/linux/irq.h >> @@ -664,7 +664,7 @@ struct irq_chip_generic { >> raw_spinlock_t lock; >> void __iomem *reg_base; >> unsigned int irq_base; >> - unsigned int irq_cnt; >> + struct irq_domain *domain; > > Instead of making domain a pointer, why not embed the structure inside > irq_chip_generic? I don't see a reason for keeping it separate. > There is a circular header dependency between irq.h and irq_domain.h. Maybe I just need to put the include of irq_domain.h just above here rather than the top of the file. Rob > After changing that you can add my Acked-by for this patch. > > g. > >