Commit 434cec62 authored by Stefan Roese's avatar Stefan Roese Committed by Vinod Koul
Browse files

bus: mvebu-mbus: Provide stub function for mvebu_mbus_get_io_win_info() 



This patch provides a stub function for mvebu_mbus_get_io_win_info(),
which will be used for all non-Orion (ARM32 MVEBU) platforms for
compile test coverage.

On such platforms this function will return an error so that drivers
might detect a potential problem.

Signed-off-by: default avatarStefan Roese <sr@denx.de>
Acked-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Marcin Wojtas <mw@semihalf.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 29b4817d

include/linux/mbus.h

+16 −2
Original line number Diff line number Diff line
@@ -11,6 +11,8 @@ 
#ifndef __LINUX_MBUS_H

#define __LINUX_MBUS_H



#include <linux/errno.h>



struct resource;



struct mbus_dram_target_info
@@ -55,6 +57,8 @@ struct mbus_dram_target_info 
#ifdef CONFIG_PLAT_ORION

extern const struct mbus_dram_target_info *mv_mbus_dram_info(void);

extern const struct mbus_dram_target_info *mv_mbus_dram_info_nooverlap(void);

int mvebu_mbus_get_io_win_info(phys_addr_t phyaddr, u32 *size, u8 *target,

			       u8 *attr);

#else

static inline const struct mbus_dram_target_info *mv_mbus_dram_info(void)

{
@@ -64,14 +68,24 @@ static inline const struct mbus_dram_target_info *mv_mbus_dram_info_nooverlap(vo 
{

	return NULL;

}

static inline int mvebu_mbus_get_io_win_info(phys_addr_t phyaddr, u32 *size,

					     u8 *target, u8 *attr)

{

	/*

	 * On all ARM32 MVEBU platforms with MBus support, this stub

	 * function will not get called. The real function from the

	 * MBus driver is called instead. ARM64 MVEBU platforms like

	 * the Armada 3700 could use the mv_xor device driver which calls

	 * into this function

	 */

	return -EINVAL;

}

#endif



int mvebu_mbus_save_cpu_target(u32 __iomem *store_addr);

void mvebu_mbus_get_pcie_mem_aperture(struct resource *res);

void mvebu_mbus_get_pcie_io_aperture(struct resource *res);

int mvebu_mbus_get_dram_win_info(phys_addr_t phyaddr, u8 *target, u8 *attr);

int mvebu_mbus_get_io_win_info(phys_addr_t phyaddr, u32 *size, u8 *target,

			       u8 *attr);

int mvebu_mbus_add_window_remap_by_id(unsigned int target,

				      unsigned int attribute,

				      phys_addr_t base, size_t size,

CRA Git | Maintained and supported by SUSTech CRA and CCSE