netdev - [PATCH 4/4] microblaze: Remove NO

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Message-Id: <1324477932-19262-4-git-send-email-monstr@monstr.eu>
Date:	Wed, 21 Dec 2011 15:32:12 +0100
From:	Michal Simek <monstr@...str.eu>
To:	linux-kernel@...r.kernel.org
Cc:	netdev@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	Michal Simek <monstr@...str.eu>,
	Grant Likely <grant.likely@...retlab.ca>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ryan Mallon <rmallon@...il.com>
Subject: [PATCH 4/4] microblaze: Remove NO_IRQ from architecture

NO_IRQ shouldn't be used by any driver. All Microblaze
drivers are fixed that's why NO_IRQ can be removed.

Signed-off-by: Michal Simek <monstr@...str.eu>
CC: Grant Likely <grant.likely@...retlab.ca>
CC: Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC: Ryan Mallon <rmallon@...il.com>
---
 arch/microblaze/include/asm/irq.h |    2 --
 arch/microblaze/pci/pci-common.c  |    4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h
index b116a82..a175132 100644
--- a/arch/microblaze/include/asm/irq.h
+++ b/arch/microblaze/include/asm/irq.h
@@ -27,8 +27,6 @@ typedef unsigned long irq_hw_number_t;
 
 extern unsigned int nr_irq;
 
-#define NO_IRQ 0
-
 struct pt_regs;
 extern void do_IRQ(struct pt_regs *regs);
 
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index db841c7..0d71b2e 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -242,7 +242,7 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
 			 line, pin);
 
 		virq = irq_create_mapping(NULL, line);
-		if (virq != NO_IRQ)
+		if (virq)
 			irq_set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
 	} else {
 		pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %s\n",
@@ -253,7 +253,7 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
 		virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
 					     oirq.size);
 	}
-	if (virq == NO_IRQ) {
+	if (!virq) {
 		pr_debug(" Failed to map !\n");
 		return -1;
 	}
-- 
1.7.5.4

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