From: simon.guinot@sequanux.org (Simon Guinot)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 0/9] refactoring for mask_cache
Date: Mon, 18 Mar 2013 15:28:17 +0100 [thread overview]
Message-ID: <20130318142817.GU21620@kw.sim.vm.gnt> (raw)
In-Reply-To: <1363615255-18200-1-git-send-email-gerlando.falauto@keymile.com>
On Mon, Mar 18, 2013 at 03:00:46PM +0100, Gerlando Falauto wrote:
> Hi everyone,
> here is a patchset to address the issue found with Orion, in incremental
> stages as Thomas suggested.
> a) we introduce the new fields and pointer (though only the shared one is used)
> b) we convert all drivers to use it
> c) we rename the field so to force the use of the per-ct pointer
> d) we add per-ct mask cache, provided the new flag
> IRQ_GC_SEPARATE_MASK_REGISTERS is enabled
> e) we enable the flag for orion-gpio and mvebu drivers
>
> So even though I'm also providing changes for mvebu, I only
> tested the patch on a 3.0.40 kernel with the plat-orion/gpio.c driver.
> We currently do not have a working 3.6+ configuration for our Kirkwood
> boards (3.6 is apparently where this mvebu gpio driver was introduced),
> so I would be glad if someone could give it a try.
> I also have no idea whether the three Marvell variants all have separate
> mask registers (which is what the last patch assumes).
Accordingly to MV78230/78x60 (Armada-XP) functional specification, we
have separate mask registers for the GPIO level and edge interrupts.
I believe that the GPIO mask register is only shared on Orion and
Kirkwood based SoCs.
Regards,
Simon
>
> Gerlando Falauto (9):
> genirq: cosmetic: remove cur_regs
> genirq: add mask_cache and pmask_cache into struct irq_chip_type
> gpio: mvebu: convert to usage of *pmask_cache within irq_chip_type
> MIPS: JZ4740: convert to usage of *pmask_cache within irq_chip_type
> ARM: SAMSUNG: convert to usage of *pmask_cache within irq_chip_type
> genirq: rename mask_cache to shared_mask_cache
> genirq: handle separate mask registers
> orion-gpio: enable IRQ_GC_SEPARATE_MASK_REGISTERS
> gpio: mvebu: enable IRQ_GC_SEPARATE_MASK_REGISTERS
>
> arch/arm/plat-orion/gpio.c | 3 +-
> arch/arm/plat-samsung/irq-vic-timer.c | 6 ++--
> arch/mips/jz4740/irq.c | 3 +-
> drivers/gpio/gpio-mvebu.c | 23 ++++++++------
> include/linux/irq.h | 9 ++++--
> kernel/irq/generic-chip.c | 55 +++++++++++++++++++++------------
> 6 files changed, 64 insertions(+), 35 deletions(-)
>
> --
> 1.7.10.1
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next prev parent reply other threads:[~2013-03-18 14:28 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-14 16:10 [PATCH] genirq: allow an alternative setup for the mask cache Holger Brunck
2013-03-14 17:45 ` Simon Guinot
2013-03-15 10:43 ` Holger Brunck
2013-03-15 11:02 ` Thomas Gleixner
2013-03-15 16:26 ` Gerlando Falauto
2013-03-15 19:55 ` Thomas Gleixner
2013-03-14 19:08 ` Thomas Gleixner
2013-03-14 19:42 ` Ezequiel Garcia
2013-03-18 11:05 ` Gerlando Falauto
2013-03-15 19:36 ` [PATCH v2 0/2] refactoring for mask_cache Gerlando Falauto
2013-03-15 19:36 ` [PATCH 1/2] genirq: cosmetic: remove cur_regs Gerlando Falauto
2013-03-15 19:36 ` [PATCH 2/2] genirq: move mask_cache into struct irq_chip_type Gerlando Falauto
2013-03-15 20:47 ` Thomas Gleixner
2013-03-18 7:59 ` Gerlando Falauto
2013-03-18 8:56 ` Thomas Gleixner
2013-03-15 21:25 ` [PATCH v2 0/2] refactoring for mask_cache Andrew Lunn
2013-03-15 23:34 ` Simon Guinot
2013-03-18 14:00 ` [PATCH v3 0/9] " Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 1/9] genirq: cosmetic: remove cur_regs Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 2/9] genirq: add mask_cache and pmask_cache into struct irq_chip_type Gerlando Falauto
2013-03-19 11:32 ` Thomas Gleixner
2013-03-18 14:00 ` [PATCH v3 3/9] gpio: mvebu: convert to usage of *pmask_cache within irq_chip_type Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 4/9] MIPS: JZ4740: " Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 5/9] ARM: SAMSUNG: " Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 6/9] genirq: rename mask_cache to shared_mask_cache Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 7/9] genirq: handle separate mask registers Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 8/9] orion-gpio: enable IRQ_GC_SEPARATE_MASK_REGISTERS Gerlando Falauto
2013-03-18 14:00 ` [PATCH v3 9/9] gpio: mvebu: " Gerlando Falauto
2013-03-18 14:28 ` Simon Guinot [this message]
2013-03-18 14:39 ` [PATCH v3 0/9] refactoring for mask_cache Simon Guinot
2013-03-19 10:03 ` Ezequiel Garcia
2013-03-19 10:09 ` Gerlando Falauto
2013-03-19 11:25 ` Ezequiel Garcia
2013-03-19 11:06 ` Jason Cooper
2013-03-19 11:10 ` Gerlando Falauto
2013-03-19 11:44 ` Jason Cooper
2013-03-19 11:56 ` Jason Cooper
2013-03-20 17:40 ` Gerlando Falauto
2013-03-20 21:42 ` Thomas Gleixner
2013-03-21 10:37 ` Gerlando Falauto
2013-03-21 10:59 ` Simon Guinot
2013-03-19 11:19 ` Ezequiel Garcia
2013-03-21 10:51 ` Simon Guinot
2013-03-21 11:24 ` Gerlando Falauto
2013-04-04 9:31 ` Ezequiel Garcia
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