From mboxrd@z Thu Jan 1 00:00:00 1970 From: buytenh@wantstofly.org (Lennert Buytenhek) Date: Wed, 15 Dec 2010 02:37:58 +0100 Subject: [PATCH 00/54] ARM irq_data conversion. In-Reply-To: <20101130131105.GA15575@mail.wantstofly.org> References: <20101130131105.GA15575@mail.wantstofly.org> Message-ID: <20101215013758.GR15575@mail.wantstofly.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Nov 30, 2010 at 02:11:05PM +0100, Lennert Buytenhek wrote: > This patch set converts arch/arm/ irq_chips and flow handlers over > to the new struct irq_data based irq_chip functions. I have collected the various ACKs provided in this thread, dropped the Samsung SoC patches from the queue (hopefully in favor of the patches I sent on top of the current samsung -next branch today), and put the result here: http://git.kernel.org/?p=linux/kernel/git/buytenh/arm_irq_data.git;a=summary git://git.kernel.org/pub/scm/linux/kernel/git/buytenh/arm_irq_data.git master The most significant change is probably that I tacked the patch attached below onto the end of the queue. There exists a merge dependency between the irq_chip users/providers in arch/arm/ and the irq_chip users/providers in drivers/, in that the compatibility code in kernel/irq/ only provides compatibility between old-style irq_chip providers and new-style irq_chip callers, and not the other way around. Patches to convert all drivers/gpio/ and drivers/mfd/ irq_chip implementations to the new-style API have been submitted by me and Mark Brown, and this queue of ARM irq_data patches semi-depends on those patches to be merged to avoid the situation where old-style (drivers/) irq_chip users call into new-style (arch/arm/) irq_chip providers. A patch to provide API compat in the reverse direction was rejected, which means that if e.g. the ARM queue gets merged before the drivers/ patches do, we can end up in situations where drivers/ users call into NULL irq_chip members. To avoid this, the last patch in this queue selects GENERIC_HARDIRQS_NO_DEPRECATED, at the suggestion of Yong Zhang on lkml, so as to catch this type of breakage at compile time rather than at run time. This queue is against current -linus -- I'd be happy to rebase it onto any other branch (arm tree devel?). If there are no objections, please pull. Comments appreciated! thanks, Lennert commit f4195ca70c8881f6fe8d654acd0babb1b2cda5d8 Author: Lennert Buytenhek Date: Mon Nov 29 11:53:39 2010 +0100 ARM: disable deprecated genirq support. Signed-off-by: Lennert Buytenhek diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0281d7b..71904d6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -24,6 +24,7 @@ config ARM select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V7)) select HAVE_GENERIC_HARDIRQS + select GENERIC_HARDIRQS_NO_DEPRECATED select HAVE_SPARSE_IRQ help The ARM series is a line of low-power-consumption RISC chip designs