From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: LAK <linux-arm-kernel@lists.infradead.org>,
Russell King <linux@arm.linux.org.uk>,
Lennert Buytenhek <buytenh@wantstofly.org>
Subject: [patch 04/23] arm: Use irq flag setter function
Date: Fri, 25 Mar 2011 13:21:54 -0000 [thread overview]
Message-ID: <20110325132047.748781678@linutronix.de> (raw)
In-Reply-To: 20110325131617.258789658@linutronix.de
[-- Attachment #1: arm-use-wrapper.patch --]
[-- Type: text/plain, Size: 1412 bytes --]
Use the proper accessor function instead of fiddling in the status
bits directly.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
---
arch/arm/kernel/irq.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
Index: linux-2.6-tip/arch/arm/kernel/irq.c
===================================================================
--- linux-2.6-tip.orig/arch/arm/kernel/irq.c
+++ linux-2.6-tip/arch/arm/kernel/irq.c
@@ -144,24 +144,21 @@ asm_do_IRQ(unsigned int irq, struct pt_r
void set_irq_flags(unsigned int irq, unsigned int iflags)
{
- struct irq_desc *desc;
- unsigned long flags;
+ unsigned long clr = 0, set = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
if (irq >= nr_irqs) {
printk(KERN_ERR "Trying to set irq flags for IRQ%d\n", irq);
return;
}
- desc = irq_to_desc(irq);
- raw_spin_lock_irqsave(&desc->lock, flags);
- desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
if (iflags & IRQF_VALID)
- desc->status &= ~IRQ_NOREQUEST;
+ clr |= IRQ_NOREQUEST;
if (iflags & IRQF_PROBE)
- desc->status &= ~IRQ_NOPROBE;
+ clr |= IRQ_NOPROBE;
if (!(iflags & IRQF_NOAUTOEN))
- desc->status &= ~IRQ_NOAUTOEN;
- raw_spin_unlock_irqrestore(&desc->lock, flags);
+ clr |= IRQ_NOAUTOEN;
+ /* Order is clear bits in "clr" then set bits in "set" */
+ irq_modify_status(irq, clr, set & ~clr);
}
void __init init_IRQ(void)
next prev parent reply other threads:[~2011-03-25 13:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
2011-03-25 13:21 ` [patch 01/23] arm: Ns9xxx: Remove private irq flow handler Thomas Gleixner
2011-03-25 13:21 ` [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc Thomas Gleixner
2011-03-26 20:12 ` Varun Wadekar
2011-03-26 20:24 ` Thomas Gleixner
2011-03-26 22:37 ` Colin Cross
2011-03-27 8:07 ` Thomas Gleixner
2011-03-25 13:21 ` [patch 03/23] arm: Use genirq lockdep helper to set lock class Thomas Gleixner
2011-03-25 13:21 ` Thomas Gleixner [this message]
2011-03-25 13:21 ` [patch 05/23] arm: msm: Convert to new irq chip functions Thomas Gleixner
2011-03-25 13:21 ` [patch 06/23] arm: Cleanup irq_desc access Thomas Gleixner
2011-03-25 13:21 ` [patch 07/23] arm: plat-samsung: Use proper irq accessor functions Thomas Gleixner
2011-03-25 13:21 ` [patch 08/23] arm: stmp3xxx: Use generic_handle_irq() Thomas Gleixner
2011-03-25 13:21 ` [patch 09/23] arm: nomadik: Use local irq state Thomas Gleixner
2011-03-25 13:22 ` [patch 10/23] arm: plat-omap: Cleanup irq_desc access Thomas Gleixner
2011-03-25 13:22 ` [patch 11/23] arm: msm: Use proper irq accessor functions Thomas Gleixner
2011-03-25 13:22 ` [patch 12/23] arm: vt8500: Use proper irq accessors Thomas Gleixner
2011-03-25 13:22 ` [patch 13/23] arm: mxc: Use generic_handle_irq() Thomas Gleixner
2011-03-25 13:22 ` [patch 14/23] arm: gemini: Use proper irq accessor functions Thomas Gleixner
2011-03-25 13:22 ` [patch 15/23] arm: ep93xx: " Thomas Gleixner
2011-03-25 13:22 ` [patch 16/23] arm: davinci: Cleanup irq chip code Thomas Gleixner
2011-03-25 13:22 ` [patch 17/23] arm: at91: Cleanup irq chip Thomas Gleixner
2011-03-25 21:03 ` Thomas Gleixner
2011-03-27 15:02 ` Sergei Shtylyov
2011-03-27 15:47 ` Thomas Gleixner
2011-03-25 13:22 ` [patch 18/23] arm: gic: Use proper accessor functions Thomas Gleixner
2011-03-25 13:22 ` [patch 19/23] arm: dove: Use proper irq " Thomas Gleixner
2011-03-25 13:22 ` [patch 20/23] arm: Use generic show_interrupts() Thomas Gleixner
2011-03-25 13:22 ` [patch 21/23] arm: Cleanup the irq namespace Thomas Gleixner
2011-04-18 17:43 ` H Hartley Sweeten
2011-03-25 13:22 ` [patch 22/23] arm: Reorder irq_set_ function calls Thomas Gleixner
2011-03-25 13:22 ` [patch 23/23] arm: Fold irq_set_chip/irq_set_handler Thomas Gleixner
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