From: David Vrabel <dvrabel@arcom.com>
To: Greg KH <gregkh@suse.de>
Cc: David Vrabel <dvrabel@arcom.com>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: [patch 1/2] driver core: platform_get_irq*(): return -ENXIO on error
Date: Thu, 19 Jan 2006 17:52:27 +0000 [thread overview]
Message-ID: <43CFD1DB.4010900@arcom.com> (raw)
In-Reply-To: <43CFD12F.2070900@cantab.net>
[-- Attachment #1: Type: text/plain, Size: 312 bytes --]
platform_get_irq*() cannot return 0 on error as 0 is a valid IRQ on some
platforms, return -ENXIO instead.
Signed-off-by: David Vrabel <dvrabel@arcom.com>
--
David Vrabel, Design Engineer
Arcom, Clifton Road Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK Web: http://www.arcom.com/
[-- Attachment #2: platform_get_irq-return-error --]
[-- Type: text/plain, Size: 622 bytes --]
Index: linux-2.6-working/drivers/base/platform.c
===================================================================
--- linux-2.6-working.orig/drivers/base/platform.c 2006-01-05 16:49:23.000000000 +0000
+++ linux-2.6-working/drivers/base/platform.c 2006-01-05 17:10:18.000000000 +0000
@@ -59,7 +59,7 @@
{
struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num);
- return r ? r->start : 0;
+ return r ? r->start : -ENXIO;
}
/**
@@ -94,7 +94,7 @@
{
struct resource *r = platform_get_resource_byname(dev, IORESOURCE_IRQ, name);
- return r ? r->start : 0;
+ return r ? r->start : -ENXIO;
}
/**
next prev parent reply other threads:[~2006-01-19 17:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-05 17:11 [DRIVER CORE] platform_get_irq*(): return NO_IRQ on error David Vrabel
2006-01-05 17:26 ` Russell King
2006-01-05 17:37 ` Greg KH
2006-01-05 18:03 ` David Vrabel
2006-01-05 18:08 ` Greg KH
2006-01-19 17:49 ` [patch 0/2] driver core: platform_get_irq*(): return -ENXIO " David Vrabel
2006-01-19 17:52 ` David Vrabel [this message]
2006-01-19 17:56 ` [patch 2/2] handle errors returned by platform_get_irq*() David Vrabel
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