[RESEND PATCH v6] ARM: EXYNOS: Remove i2c sys configuration related code
Kukjin Kim
kgene at kernel.org
Mon Jan 5 05:01:57 PST 2015
Pankaj Dubey wrote:
>
> As all these code has been moved into i2c driver, now we can
> safely remove them from machine files.
>
> CC: Russell King <linux at arm.linux.org.uk>
> Signed-off-by: Pankaj Dubey <pankaj.dubey at samsung.com>
> ---
> This patch is leftover patch from patch series [1], resending it after rebasing.
> It can be cleanly applied on kgene/for-next and linux-next/next-20150103.
>
> [1]: http://www.spinics.net/lists/linux-samsung-soc/msg39440.html
>
Hi Pankaj,
Happy new year and looks good to me. Nice cleanup ;)
Thanks for your gentle reminder and will apply.
- Kukjin
>
> arch/arm/mach-exynos/exynos.c | 39 ++-------------------------------
> arch/arm/mach-exynos/include/mach/map.h | 3 ---
> arch/arm/mach-exynos/pm.c | 3 ++-
> arch/arm/mach-exynos/regs-sys.h | 22 -------------------
> arch/arm/mach-exynos/suspend.c | 7 ------
> 5 files changed, 4 insertions(+), 70 deletions(-)
> delete mode 100644 arch/arm/mach-exynos/regs-sys.h
>
> diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
> index c13d083..2c84439 100644
> --- a/arch/arm/mach-exynos/exynos.c
> +++ b/arch/arm/mach-exynos/exynos.c
> @@ -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.
> diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
> index 1ad3f49..de3ae59 100644
> --- a/arch/arm/mach-exynos/include/mach/map.h
> +++ b/arch/arm/mach-exynos/include/mach/map.h
> @@ -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
>
> diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
> index 86f3ecd..dfc8594 100644
> --- a/arch/arm/mach-exynos/pm.c
> +++ b/arch/arm/mach-exynos/pm.c
> @@ -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)
> {
> diff --git a/arch/arm/mach-exynos/regs-sys.h b/arch/arm/mach-exynos/regs-sys.h
> deleted file mode 100644
> index 84332b0..0000000
> --- a/arch/arm/mach-exynos/regs-sys.h
> +++ /dev/null
> @@ -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 */
> diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
> index f8e7dcd..342797b 100644
> --- a/arch/arm/mach-exynos/suspend.c
> +++ b/arch/arm/mach-exynos/suspend.c
> @@ -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,
> --
> 2.2.0
>
> --
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