From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Wed, 16 Dec 2009 18:05:04 +0000 (+0100)
Subject: imx: provide helper macro to define IO_ADDRESS
X-Git-Tag: firefly_0821_release~9833^2~2609^2~5^2~56^2~12
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1f2ddd64da6e53365102d831aa9e0446b78f0300;p=firefly-linux-kernel-4.4.55.git

imx: provide helper macro to define IO_ADDRESS

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Holger Schurig <hs4233@mail.mn-solutions.de>
Cc: Dmitriy Taychenachev <dimichxp@gmail.com>
---

diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h
index 78db75475f69..db14c56930a3 100644
--- a/arch/arm/plat-mxc/include/mach/hardware.h
+++ b/arch/arm/plat-mxc/include/mach/hardware.h
@@ -22,6 +22,11 @@
 
 #include <asm/sizes.h>
 
+#define IMX_IO_ADDRESS(addr, module)					\
+	((void __force __iomem *)					\
+	 (((unsigned long)((addr) - (module ## _BASE_ADDR)) < module ## _SIZE) ?\
+	 (addr) - (module ## _BASE_ADDR) + (module ## _BASE_ADDR_VIRT) : 0))
+
 #ifdef CONFIG_ARCH_MX3
 #include <mach/mx3x.h>
 #include <mach/mx31.h>