From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>, Russell King - ARM Linux <linux@arm.linux.org.uk>, Grant Likely <grant.likely@linaro.org>, Rob Herring <rob.herring@calxeda.com>, Rob Landley <rob@landley.net>, Arnd Bergmann <arnd@arndb.de>, Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>, Jason Gunthorpe <jgunthorpe@obsidianresearch.com>, Thomas Petazzoni <thomas.petazzoni@free-electrons.com>, Gregory Clement <gregory.clement@free-electrons.com>, Ezequiel Garcia <ezequiel.garcia@free-electrons.com>, Maxime Ripard <maxime.ripard@free-electrons.com>, Jean-Francois Moine <moinejf@free.fr>, Gerlando Falauto <gerlando.falauto@keymile.com>, devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [patch 6/8] genirq: Split out code in generic chip Date: Mon, 06 May 2013 14:30:25 -0000 [thread overview] Message-ID: <20130506142539.377017672@linutronix.de> (raw) In-Reply-To: 20130506142348.321859745@linutronix.de [-- Attachment #1: genirq-generic-chip-split-out-code.patch --] [-- Type: text/plain, Size: 2731 bytes --] Preparatory patch for linear interrupt domains. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- kernel/irq/generic-chip.c | 50 +++++++++++++++++++++++++++++++--------------- 1 file changed, 34 insertions(+), 16 deletions(-) Index: linux-2.6/kernel/irq/generic-chip.c =================================================================== --- linux-2.6.orig/kernel/irq/generic-chip.c +++ linux-2.6/kernel/irq/generic-chip.c @@ -186,6 +186,19 @@ int irq_gc_set_wake(struct irq_data *d, return 0; } +static void +irq_init_generic_chip(struct irq_chip_generic *gc, const char *name, + int num_ct, unsigned int irq_base, + void __iomem *reg_base, irq_flow_handler_t handler) +{ + raw_spin_lock_init(&gc->lock); + gc->num_ct = num_ct; + gc->irq_base = irq_base; + gc->reg_base = reg_base; + gc->chip_types->chip.name = name; + gc->chip_types->handler = handler; +} + /** * irq_alloc_generic_chip - Allocate a generic chip and initialize it * @name: Name of the irq chip @@ -206,17 +219,31 @@ irq_alloc_generic_chip(const char *name, gc = kzalloc(sz, GFP_KERNEL); if (gc) { - raw_spin_lock_init(&gc->lock); - gc->num_ct = num_ct; - gc->irq_base = irq_base; - gc->reg_base = reg_base; - gc->chip_types->chip.name = name; - gc->chip_types->handler = handler; + irq_init_generic_chip(gc, name, num_ct, irq_base, reg_base, + handler); } return gc; } EXPORT_SYMBOL_GPL(irq_alloc_generic_chip); +static void +irq_gc_init_mask_cache(struct irq_chip_generic *gc, enum irq_gc_flags flags) +{ + struct irq_chip_type *ct = gc->chip_types; + u32 *mskptr = &gc->mask_cache, mskreg = ct->regs.mask; + int i; + + for (i = 0; i < gc->num_ct; i++) { + if (flags & IRQ_GC_MASK_CACHE_PER_TYPE) { + mskptr = &ct[i].mask_cache_priv; + mskreg = ct[i].regs.mask; + } + ct[i].mask_cache = mskptr; + if (flags & IRQ_GC_INIT_MASK_CACHE) + *mskptr = irq_reg_readl(gc->reg_base + mskreg); + } +} + /* * Separate lockdep class for interrupt chip which can nest irq_desc * lock. @@ -242,21 +269,12 @@ void irq_setup_generic_chip(struct irq_c struct irq_chip_type *ct = gc->chip_types; struct irq_chip *chip = &ct->chip; unsigned int i; - u32 *mskptr = &gc->mask_cache, mskreg = ct->regs.mask; raw_spin_lock(&gc_lock); list_add_tail(&gc->list, &gc_list); raw_spin_unlock(&gc_lock); - for (i = 0; i < gc->num_ct; i++) { - if (flags & IRQ_GC_MASK_CACHE_PER_TYPE) { - mskptr = &ct[i].mask_cache_priv; - mskreg = ct[i].regs.mask; - } - ct[i].mask_cache = mskptr; - if (flags & IRQ_GC_INIT_MASK_CACHE) - *mskptr = irq_reg_readl(gc->reg_base + mskreg); - } + irq_gc_init_mask_cache(gc, flags); for (i = gc->irq_base; msk; msk >>= 1, i++) { if (!(msk & 0x01))
WARNING: multiple messages have this Message-ID (diff)
From: tglx@linutronix.de (Thomas Gleixner) To: linux-arm-kernel@lists.infradead.org Subject: [patch 6/8] genirq: Split out code in generic chip Date: Mon, 06 May 2013 14:30:25 -0000 [thread overview] Message-ID: <20130506142539.377017672@linutronix.de> (raw) In-Reply-To: 20130506142348.321859745@linutronix.de An embedded and charset-unspecified text was scrubbed... Name: genirq-generic-chip-split-out-code.patch URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20130506/3de07fdf/attachment.ksh>
next prev parent reply other threads:[~2013-05-06 14:31 UTC|newest] Thread overview: 178+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-02 18:25 [PATCH] irqchip: add support for Marvell Orion SoCs Sebastian Hesselbarth 2013-05-02 18:25 ` Sebastian Hesselbarth 2013-05-02 18:25 ` Sebastian Hesselbarth 2013-05-02 18:33 ` Sebastian Hesselbarth 2013-05-02 18:33 ` Sebastian Hesselbarth 2013-05-02 18:33 ` Sebastian Hesselbarth 2013-05-02 18:45 ` Russell King - ARM Linux 2013-05-02 18:45 ` Russell King - ARM Linux 2013-05-02 18:54 ` Sebastian Hesselbarth 2013-05-02 18:54 ` Sebastian Hesselbarth 2013-05-02 18:56 ` Russell King - ARM Linux 2013-05-02 18:56 ` Russell King - ARM Linux 2013-05-02 19:04 ` Sebastian Hesselbarth 2013-05-02 19:04 ` Sebastian Hesselbarth 2013-05-02 18:53 ` Jason Gunthorpe 2013-05-02 18:53 ` Jason Gunthorpe 2013-05-02 18:53 ` Jason Gunthorpe 2013-05-02 19:05 ` Sebastian Hesselbarth 2013-05-02 19:05 ` Sebastian Hesselbarth 2013-05-02 19:35 ` Jason Gunthorpe 2013-05-02 19:35 ` Jason Gunthorpe 2013-05-02 19:48 ` Sebastian Hesselbarth 2013-05-02 19:48 ` Sebastian Hesselbarth 2013-05-02 20:02 ` Andrew Lunn 2013-05-02 20:02 ` Andrew Lunn 2013-05-02 20:08 ` Gregory CLEMENT 2013-05-02 20:08 ` Gregory CLEMENT 2013-05-04 17:58 ` Jason Cooper 2013-05-04 17:58 ` Jason Cooper 2013-05-04 17:58 ` Jason Cooper 2013-05-02 19:11 ` Arnd Bergmann 2013-05-02 19:11 ` Arnd Bergmann 2013-05-02 19:34 ` Sebastian Hesselbarth 2013-05-02 19:34 ` Sebastian Hesselbarth 2013-05-02 19:37 ` Jason Gunthorpe 2013-05-02 19:37 ` Jason Gunthorpe 2013-05-02 19:39 ` Sebastian Hesselbarth 2013-05-02 19:39 ` Sebastian Hesselbarth 2013-05-02 19:22 ` Jason Cooper 2013-05-02 19:22 ` Jason Cooper 2013-05-02 19:22 ` Jason Cooper 2013-05-02 21:34 ` Thomas Gleixner 2013-05-02 21:34 ` Thomas Gleixner 2013-05-02 21:56 ` Sebastian Hesselbarth 2013-05-02 21:56 ` Sebastian Hesselbarth 2013-05-02 22:09 ` Arnd Bergmann 2013-05-02 22:09 ` Arnd Bergmann 2013-05-02 22:37 ` Sebastian Hesselbarth 2013-05-02 22:37 ` Sebastian Hesselbarth 2013-05-04 18:12 ` Jason Cooper 2013-05-04 18:12 ` Jason Cooper 2013-05-04 18:12 ` Jason Cooper 2013-05-02 23:48 ` [PATCH v2 0/5] ARM: orion: add orion irqchip driver Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-02 23:48 ` [PATCH v2 1/5] irqchip: add support for Marvell Orion SoCs Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-03 12:55 ` Russell King - ARM Linux 2013-05-03 12:55 ` Russell King - ARM Linux 2013-05-03 13:13 ` Sebastian Hesselbarth 2013-05-03 13:13 ` Sebastian Hesselbarth 2013-05-03 14:09 ` Thomas Gleixner 2013-05-03 14:09 ` Thomas Gleixner 2013-05-03 21:50 ` [RFC patch 0/8] genirq: Support for irq domains in generic irq chip Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` [RFC patch 1/8] genirq: generic chip: Remove the local cur_regs() function Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner [not found] ` <20130503214629.397359626-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org> 2013-05-27 13:38 ` Grant Likely 2013-05-27 13:38 ` Grant Likely 2013-05-03 21:50 ` [RFC patch 2/8] genirq: generic chip: Add support for per chip type mask cache Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` [RFC patch 3/8] genirq: generic chip: Handle separate mask registers Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` [RFC patch 4/8] genirq: generic chip: Cache per irq bit mask Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 22:24 ` Russell King - ARM Linux 2013-05-03 22:24 ` Russell King - ARM Linux 2013-05-03 22:39 ` Thomas Gleixner 2013-05-03 22:39 ` Thomas Gleixner 2013-05-03 21:50 ` [RFC patch 5/8] genirq: Add a mask calculation function Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 21:50 ` [RFC patch 6/8] genirq: Split out code in generic chip Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-27 13:45 ` Grant Likely 2013-05-27 13:45 ` Grant Likely 2013-05-27 13:45 ` Grant Likely 2013-05-03 21:50 ` [RFC patch 7/8] genirq: generic chip: Add linear irq domain support Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-03 22:23 ` Russell King - ARM Linux 2013-05-03 22:23 ` Russell King - ARM Linux 2013-05-03 22:38 ` Thomas Gleixner 2013-05-03 22:38 ` Thomas Gleixner 2013-05-04 2:30 ` Sebastian Hesselbarth 2013-05-04 2:30 ` Sebastian Hesselbarth 2013-05-04 8:04 ` Thomas Gleixner 2013-05-04 8:04 ` Thomas Gleixner 2013-05-06 12:32 ` [RFC patch 7/8] fixup 1/2: " Sebastian Hesselbarth 2013-05-06 12:32 ` Sebastian Hesselbarth 2013-05-06 12:32 ` [RFC patch 7/8] fixup 2/2: " Sebastian Hesselbarth 2013-05-06 12:32 ` Sebastian Hesselbarth 2013-05-06 13:31 ` Thomas Gleixner 2013-05-06 13:31 ` Thomas Gleixner 2013-05-06 13:25 ` [RFC patch 7/8] fixup 1/2: " Thomas Gleixner 2013-05-06 13:25 ` Thomas Gleixner 2013-05-03 21:50 ` [RFC patch 8/8] irqchip: sun4i: Convert to generic irq chip Thomas Gleixner 2013-05-03 21:50 ` Thomas Gleixner 2013-05-04 2:37 ` Sebastian Hesselbarth 2013-05-04 2:37 ` Sebastian Hesselbarth 2013-05-06 9:48 ` [RFC patch 0/8] genirq: Support for irq domains in " Uwe Kleine-König 2013-05-06 9:48 ` Uwe Kleine-König 2013-05-06 14:30 ` [patch 0/8] genirq: Support for irq domains in generic irq chip - V2 Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-06 14:30 ` [patch 1/8] genirq: generic chip: Remove the local cur_regs() function Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-29 9:14 ` [tip:irq/core] genirq: Generic " tip-bot for Gerlando Falauto 2013-05-06 14:30 ` [patch 2/8] genirq: generic chip: Add support for per chip type mask cache Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-29 9:16 ` [tip:irq/core] genirq: Generic " tip-bot for Gerlando Falauto 2013-05-06 14:30 ` [patch 3/8] genirq: generic chip: Handle separate mask registers Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-29 9:17 ` [tip:irq/core] genirq: Generic " tip-bot for Gerlando Falauto 2013-05-06 14:30 ` [patch 4/8] genirq: generic chip: Cache per irq bit mask Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-29 9:18 ` [tip:irq/core] genirq: Generic " tip-bot for Thomas Gleixner 2013-05-06 14:30 ` [patch 5/8] genirq: Add a mask calculation function Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-29 9:19 ` [tip:irq/core] genirq: irqchip: " tip-bot for Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner [this message] 2013-05-06 14:30 ` [patch 6/8] genirq: Split out code in generic chip Thomas Gleixner 2013-05-29 9:21 ` [tip:irq/core] genirq: Generic chip: Split out code into separate functions tip-bot for Thomas Gleixner 2013-05-06 14:30 ` [patch 7/8] genirq: generic chip: Add linear irq domain support Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-29 2:22 ` Grant Likely 2013-05-29 2:22 ` Grant Likely 2013-05-29 8:23 ` Thomas Gleixner 2013-05-29 8:23 ` Thomas Gleixner 2013-05-29 9:22 ` [tip:irq/core] genirq: Generic " tip-bot for Thomas Gleixner 2013-05-06 14:30 ` [patch 8/8] irqchip: sun4i: Convert to generic irq chip Thomas Gleixner 2013-05-06 14:30 ` Thomas Gleixner 2013-05-06 15:18 ` Rob Herring 2013-05-06 15:18 ` Rob Herring 2013-05-12 14:05 ` [PATCH] irq-sun4i: Fix trivial build errors Maxime Ripard 2013-05-12 14:05 ` Maxime Ripard 2013-05-12 14:08 ` [patch 8/8] irqchip: sun4i: Convert to generic irq chip Maxime Ripard 2013-05-12 14:08 ` Maxime Ripard 2013-05-12 14:14 ` Maxime Ripard 2013-05-12 14:14 ` Maxime Ripard 2013-05-13 10:57 ` [patch 0/8] genirq: Support for irq domains in generic irq chip - V2 Gerlando Falauto 2013-05-13 12:01 ` Thomas Gleixner 2013-10-01 15:27 ` Gerlando Falauto 2013-10-01 15:27 ` Gerlando Falauto 2013-05-02 23:48 ` [PATCH v2 2/5] ARM: dove: add DT parsing for legacy mv643xx_eth Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-03 5:06 ` Andrew Lunn 2013-05-03 5:06 ` Andrew Lunn 2013-05-03 5:06 ` Andrew Lunn 2013-05-03 9:58 ` Sebastian Hesselbarth 2013-05-03 9:58 ` Sebastian Hesselbarth 2013-05-04 18:29 ` Jason Cooper 2013-05-04 18:29 ` Jason Cooper 2013-05-04 18:29 ` Jason Cooper [not found] ` <20130504182935.GO31290-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org> 2013-05-04 19:37 ` Florian Fainelli 2013-05-02 23:48 ` [PATCH v2 3/5] ARM: dove: add DT parsing for legacy timer Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-02 23:48 ` [PATCH v2 4/5] ARM: dove: move DT boards to orion irqchip driver Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth 2013-05-02 23:48 ` [PATCH v2 5/5] ARM: dove: add DT nodes for irqchip conversion Sebastian Hesselbarth 2013-05-02 23:48 ` Sebastian Hesselbarth
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