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Commit c5c01c97 authored by Marian Balakowicz's avatar Marian Balakowicz Committed by Grant Likely
Browse files

[POWERPC] Add mpc52xx_find_and_map_path(), refactor utility functions 



Add helper routine mpc52xx_find_and_map_path(). Extract common code to
mpc52xx_map_node() and refactor mpc52xx_find_and_map().

Signed-off-by: default avatarJan Wrobel <wrr@semihalf.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent c052a22e

arch/powerpc/platforms/52xx/mpc52xx_common.c

+17 −4
Original line number Diff line number Diff line
@@ -19,14 +19,12 @@ 
#include <asm/mpc52xx.h>





void __iomem *

mpc52xx_find_and_map(const char *compatible)

static void __iomem *

mpc52xx_map_node(struct device_node *ofn)

{

	struct device_node *ofn;

	const u32 *regaddr_p;

	u64 regaddr64, size64;



	ofn = of_find_compatible_node(NULL, NULL, compatible);

	if (!ofn)

		return NULL;
@@ -42,8 +40,23 @@ mpc52xx_find_and_map(const char *compatible) 


	return ioremap((u32)regaddr64, (u32)size64);

}



void __iomem *

mpc52xx_find_and_map(const char *compatible)

{

	return mpc52xx_map_node(

		of_find_compatible_node(NULL, NULL, compatible));

}



EXPORT_SYMBOL(mpc52xx_find_and_map);



void __iomem *

mpc52xx_find_and_map_path(const char *path)

{

	return mpc52xx_map_node(of_find_node_by_path(path));

}



EXPORT_SYMBOL(mpc52xx_find_and_map_path);



/**

 * 	mpc52xx_find_ipb_freq - Find the IPB bus frequency for a device

include/asm-powerpc/mpc52xx.h

+1 −0
Original line number Diff line number Diff line
@@ -249,6 +249,7 @@ struct mpc52xx_cdm { 
#ifndef __ASSEMBLY__



extern void __iomem * mpc52xx_find_and_map(const char *);

extern void __iomem * mpc52xx_find_and_map_path(const char *path);

extern unsigned int mpc52xx_find_ipb_freq(struct device_node *node);

extern void mpc5200_setup_xlb_arbiter(void);

extern void mpc52xx_declare_of_platform_devices(void);