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ARM: EXYNOS: Remove i2c sys configuration related code

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As all these code has been moved into i2c driver, now we can
safely remove them from machine files.

CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
This commit is contained in:
Pankaj Dubey 2015-01-09 01:14:23 +09:00 committed by Kukjin Kim
parent 97bf6af1f9
commit 32b0aa9aae
5 changed files with 4 additions and 70 deletions
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39
arch/arm/mach-exynos/exynos.c
View File

@ -27,20 +27,16 @@
#include <asm/mach/map.h>
#include <asm/memory.h>
#include <mach/map.h>
#include "common.h"
#include "mfc.h"
#include "regs-pmu.h"
#include "regs-sys.h"
void __iomem *pmu_base_addr;
static struct map_desc exynos4_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_SYS,
.pfn = __phys_to_pfn(EXYNOS4_PA_SYSCON),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_SROMC,
.pfn = __phys_to_pfn(EXYNOS4_PA_SROMC),
.length = SZ_4K,
@ -70,11 +66,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
static struct map_desc exynos5_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_SYS,
.pfn = __phys_to_pfn(EXYNOS5_PA_SYSCON),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_SROMC,
.pfn = __phys_to_pfn(EXYNOS5_PA_SROMC),
.length = SZ_4K,
@ -213,32 +204,6 @@ static void __init exynos_init_irq(void)
static void __init exynos_dt_machine_init(void)
{
struct device_node *i2c_np;
const char *i2c_compat = "samsung,s3c2440-i2c";
unsigned int tmp;
int id;
/*
* Exynos5's legacy i2c controller and new high speed i2c
* controller have muxed interrupt sources. By default the
* interrupts for 4-channel HS-I2C controller are enabled.
* If node for first four channels of legacy i2c controller
* are available then re-configure the interrupts via the
* system register.
*/
if (soc_is_exynos5()) {
for_each_compatible_node(i2c_np, NULL, i2c_compat) {
if (of_device_is_available(i2c_np)) {
id = of_alias_get_id(i2c_np, "i2c");
if (id < 4) {
tmp = readl(EXYNOS5_SYS_I2C_CFG);
writel(tmp & ~(0x1 << id),
EXYNOS5_SYS_I2C_CFG);
}
}
}
}
/*
* This is called from smp_prepare_cpus if we've built for SMP, but
* we still need to set it up for PM and firmware ops if not.

3
arch/arm/mach-exynos/include/mach/map.h
View File

@ -24,9 +24,6 @@
#define EXYNOS_PA_CHIPID 0x10000000
#define EXYNOS4_PA_SYSCON 0x10010000
#define EXYNOS5_PA_SYSCON 0x10050100
#define EXYNOS4_PA_CMU 0x10030000
#define EXYNOS5_PA_CMU 0x10010000

3
arch/arm/mach-exynos/pm.c
View File

@ -23,12 +23,13 @@
#include <asm/smp_scu.h>
#include <asm/suspend.h>
#include <mach/map.h>
#include <plat/pm-common.h>
#include "common.h"
#include "exynos-pmu.h"
#include "regs-pmu.h"
#include "regs-sys.h"
static inline void __iomem *exynos_boot_vector_addr(void)
{

22
arch/arm/mach-exynos/regs-sys.h
View File

@ -1,22 +0,0 @@
/*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS - system register definition
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_REGS_SYS_H
#define __ASM_ARCH_REGS_SYS_H __FILE__
#include <mach/map.h>
#define S5P_SYSREG(x) (S3C_VA_SYS + (x))
/* For EXYNOS5 */
#define EXYNOS5_SYS_I2C_CFG S5P_SYSREG(0x0234)
#endif /* __ASM_ARCH_REGS_SYS_H */

7
arch/arm/mach-exynos/suspend.c
View File

@ -34,7 +34,6 @@
#include "common.h"
#include "regs-pmu.h"
#include "regs-sys.h"
#include "exynos-pmu.h"
#define S5P_CHECK_SLEEP 0x00000BAD
@ -53,10 +52,6 @@ struct exynos_wkup_irq {
u32 mask;
};
static struct sleep_save exynos5_sys_save[] = {
SAVE_ITEM(EXYNOS5_SYS_I2C_CFG),
};
static struct sleep_save exynos_core_save[] = {
/* SROM side */
SAVE_ITEM(S5P_SROM_BW),
@ -497,8 +492,6 @@ static const struct exynos_pm_data exynos5250_pm_data = {
.wkup_irq = exynos5250_wkup_irq,
.wake_disable_mask = ((0xFF << 8) | (0x1F << 1)),
.release_ret_regs = exynos_release_ret_regs,
.extra_save = exynos5_sys_save,
.num_extra_save = ARRAY_SIZE(exynos5_sys_save),
.pm_suspend = exynos_pm_suspend,
.pm_resume = exynos_pm_resume,
.pm_prepare = exynos_pm_prepare,