From: Marek Szyprowski Date: Tue, 24 May 2016 13:31:28 +0000 (+0200) Subject: ARM: EXYNOS: Remove code for MFC custom reserved memory handling X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b9bacc1e503e6ed893c8642f4de1b27ff98e5365;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ARM: EXYNOS: Remove code for MFC custom reserved memory handling Once MFC driver has been converted to generic reserved memory bindings, there is no need for custom memory reservation code. Signed-off-by: Marek Szyprowski Reviewed-by: Javier Martinez Canillas Signed-off-by: Krzysztof Kozlowski --- diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index 34d29df3e006..b91b38204e2a 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -23,5 +23,3 @@ AFLAGS_sleep.o :=-Wa,-march=armv7-a$(plus_sec) obj-$(CONFIG_EXYNOS5420_MCPM) += mcpm-exynos.o CFLAGS_mcpm-exynos.o += -march=armv7-a - -obj-$(CONFIG_S5P_DEV_MFC) += s5p-dev-mfc.o diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 52ccf247e079..a8620c6eb723 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -27,7 +27,6 @@ #include #include "common.h" -#include "mfc.h" static struct map_desc exynos4_iodesc[] __initdata = { { @@ -237,23 +236,6 @@ static char const *const exynos_dt_compat[] __initconst = { NULL }; -static void __init exynos_reserve(void) -{ -#ifdef CONFIG_S5P_DEV_MFC - int i; - char *mfc_mem[] = { - "samsung,mfc-v5", - "samsung,mfc-v6", - "samsung,mfc-v7", - "samsung,mfc-v8", - }; - - for (i = 0; i < ARRAY_SIZE(mfc_mem); i++) - if (of_scan_flat_dt(s5p_fdt_alloc_mfc_mem, mfc_mem[i])) - break; -#endif -} - static void __init exynos_dt_fixup(void) { /* @@ -275,6 +257,5 @@ DT_MACHINE_START(EXYNOS_DT, "SAMSUNG EXYNOS (Flattened Device Tree)") .init_machine = exynos_dt_machine_init, .init_late = exynos_init_late, .dt_compat = exynos_dt_compat, - .reserve = exynos_reserve, .dt_fixup = exynos_dt_fixup, MACHINE_END diff --git a/arch/arm/mach-exynos/mfc.h b/arch/arm/mach-exynos/mfc.h deleted file mode 100644 index dec93cd5b3c6..000000000000 --- a/arch/arm/mach-exynos/mfc.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Copyright (C) 2013 Samsung Electronics Co.Ltd - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#ifndef __MACH_EXYNOS_MFC_H -#define __MACH_EXYNOS_MFC_H __FILE__ - -int __init s5p_fdt_alloc_mfc_mem(unsigned long node, const char *uname, - int depth, void *data); - -#endif /* __MACH_EXYNOS_MFC_H */ diff --git a/arch/arm/mach-exynos/s5p-dev-mfc.c b/arch/arm/mach-exynos/s5p-dev-mfc.c deleted file mode 100644 index 8ef1f3ee4e98..000000000000 --- a/arch/arm/mach-exynos/s5p-dev-mfc.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd - * - * Base S5P MFC resource and device definitions - * - * 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. - */ - -#include -#include -#include -#include -#include -#include -#include - -static struct platform_device s5p_device_mfc_l; -static struct platform_device s5p_device_mfc_r; - -struct s5p_mfc_dt_meminfo { - unsigned long loff; - unsigned long lsize; - unsigned long roff; - unsigned long rsize; - char *compatible; -}; - -struct s5p_mfc_reserved_mem { - phys_addr_t base; - unsigned long size; - struct device *dev; -}; - -static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata; - - -static void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize, - phys_addr_t lbase, unsigned int lsize) -{ - int i; - - s5p_mfc_mem[0].dev = &s5p_device_mfc_r.dev; - s5p_mfc_mem[0].base = rbase; - s5p_mfc_mem[0].size = rsize; - - s5p_mfc_mem[1].dev = &s5p_device_mfc_l.dev; - s5p_mfc_mem[1].base = lbase; - s5p_mfc_mem[1].size = lsize; - - for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) { - struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i]; - if (memblock_remove(area->base, area->size)) { - printk(KERN_ERR "Failed to reserve memory for MFC device (%ld bytes at 0x%08lx)\n", - area->size, (unsigned long) area->base); - area->base = 0; - } - } -} - -int __init s5p_fdt_alloc_mfc_mem(unsigned long node, const char *uname, - int depth, void *data) -{ - const __be32 *prop; - int len; - struct s5p_mfc_dt_meminfo mfc_mem; - - if (!data) - return 0; - - if (!of_flat_dt_is_compatible(node, data)) - return 0; - - prop = of_get_flat_dt_prop(node, "samsung,mfc-l", &len); - if (!prop || (len != 2 * sizeof(unsigned long))) - return 0; - - mfc_mem.loff = be32_to_cpu(prop[0]); - mfc_mem.lsize = be32_to_cpu(prop[1]); - - prop = of_get_flat_dt_prop(node, "samsung,mfc-r", &len); - if (!prop || (len != 2 * sizeof(unsigned long))) - return 0; - - mfc_mem.roff = be32_to_cpu(prop[0]); - mfc_mem.rsize = be32_to_cpu(prop[1]); - - s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, - mfc_mem.loff, mfc_mem.lsize); - - return 1; -}