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ARM: OMAP2+: remove DSP platform device

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It was added to support DSP Bridge. Since DSP Bridge was removed, and
nothing else is using the platform device, remove it too.

Signed-off-by: Kristina Martšenko <kristina.martsenko@gmail.com>
Cc: Omar Ramirez Luna <omar.ramirez@copitl.com>
Cc: Suman Anna <s-anna@ti.com>
Cc: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kristina Martšenko 2014-07-16 02:30:19 +03:00 committed by Greg Kroah-Hartman
parent f190be7f39
commit f65f6455fc
4 changed files with 0 additions and 174 deletions
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4
arch/arm/mach-omap2/Makefile
View file

@ -232,10 +232,6 @@ obj-$(CONFIG_HW_PERF_EVENTS) += pmu.o
iommu-$(CONFIG_OMAP_IOMMU) := omap-iommu.o
obj-y += $(iommu-m) $(iommu-y)
ifneq ($(CONFIG_TIDSPBRIDGE),)
obj-y += dsp.o
endif
# OMAP2420 MSDI controller integration support ("MMC")
obj-$(CONFIG_SOC_OMAP2420) += msdi.o

2
arch/arm/mach-omap2/common.c
View file

@ -14,7 +14,6 @@
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_data/dsp-omap.h>
#include "common.h"
#include "omap-secure.h"
@ -30,7 +29,6 @@ int __weak omap_secure_ram_reserve_memblock(void)
void __init omap_reserve(void)
{
omap_dsp_reserve_sdram_memblock();
omap_secure_ram_reserve_memblock();
omap_barrier_reserve_memblock();
}

134
arch/arm/mach-omap2/dsp.c
View file

@ -1,134 +0,0 @@
/*
* TI's OMAP DSP platform device registration
*
* Copyright (C) 2005-2006 Texas Instruments, Inc.
* Copyright (C) 2009 Nokia Corporation
*
* Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
*
* 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.
*/
/*
* XXX The function pointers to the PRM/CM functions are incorrect and
* should be removed. No device driver should be changing PRM/CM bits
* directly; that's a layering violation -- those bits are the responsibility
* of the OMAP PM core code.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <asm/memblock.h>
#include "control.h"
#include "cm2xxx_3xxx.h"
#include "prm2xxx_3xxx.h"
#ifdef CONFIG_TIDSPBRIDGE_DVFS
#include "omap-pm.h"
#endif
#include "soc.h"
#include <linux/platform_data/dsp-omap.h>
static struct platform_device *omap_dsp_pdev;
static struct omap_dsp_platform_data omap_dsp_pdata __initdata = {
#ifdef CONFIG_TIDSPBRIDGE_DVFS
.dsp_set_min_opp = omap_pm_dsp_set_min_opp,
.dsp_get_opp = omap_pm_dsp_get_opp,
.cpu_set_freq = omap_pm_cpu_set_freq,
.cpu_get_freq = omap_pm_cpu_get_freq,
#endif
.dsp_prm_read = omap2_prm_read_mod_reg,
.dsp_prm_write = omap2_prm_write_mod_reg,
.dsp_prm_rmw_bits = omap2_prm_rmw_mod_reg_bits,
.dsp_cm_read = omap2_cm_read_mod_reg,
.dsp_cm_write = omap2_cm_write_mod_reg,
.dsp_cm_rmw_bits = omap2_cm_rmw_mod_reg_bits,
.set_bootaddr = omap_ctrl_write_dsp_boot_addr,
.set_bootmode = omap_ctrl_write_dsp_boot_mode,
};
static phys_addr_t omap_dsp_phys_mempool_base;
void __init omap_dsp_reserve_sdram_memblock(void)
{
phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
phys_addr_t paddr;
if (!cpu_is_omap34xx())
return;
if (!size)
return;
paddr = arm_memblock_steal(size, SZ_1M);
if (!paddr) {
pr_err("%s: failed to reserve %llx bytes\n",
__func__, (unsigned long long)size);
return;
}
omap_dsp_phys_mempool_base = paddr;
}
static phys_addr_t omap_dsp_get_mempool_base(void)
{
return omap_dsp_phys_mempool_base;
}
static int __init omap_dsp_init(void)
{
struct platform_device *pdev;
int err = -ENOMEM;
struct omap_dsp_platform_data *pdata = &omap_dsp_pdata;
if (!cpu_is_omap34xx())
return 0;
pdata->phys_mempool_base = omap_dsp_get_mempool_base();
if (pdata->phys_mempool_base) {
pdata->phys_mempool_size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
pr_info("%s: %llx bytes @ %llx\n", __func__,
(unsigned long long)pdata->phys_mempool_size,
(unsigned long long)pdata->phys_mempool_base);
}
pdev = platform_device_alloc("omap-dsp", -1);
if (!pdev)
goto err_out;
err = platform_device_add_data(pdev, pdata, sizeof(*pdata));
if (err)
goto err_out;
err = platform_device_add(pdev);
if (err)
goto err_out;
omap_dsp_pdev = pdev;
return 0;
err_out:
platform_device_put(pdev);
return err;
}
module_init(omap_dsp_init);
static void __exit omap_dsp_exit(void)
{
if (!cpu_is_omap34xx())
return;
platform_device_unregister(omap_dsp_pdev);
}
module_exit(omap_dsp_exit);
MODULE_AUTHOR("Hiroshi DOYU");
MODULE_DESCRIPTION("TI's OMAP DSP platform device registration");
MODULE_LICENSE("GPL");

34
include/linux/platform_data/dsp-omap.h
View file

@ -1,34 +0,0 @@
#ifndef __OMAP_DSP_H__
#define __OMAP_DSP_H__
#include <linux/types.h>
struct omap_dsp_platform_data {
void (*dsp_set_min_opp) (u8 opp_id);
u8 (*dsp_get_opp) (void);
void (*cpu_set_freq) (unsigned long f);
unsigned long (*cpu_get_freq) (void);
unsigned long mpu_speed[6];
/* functions to write and read PRCM registers */
void (*dsp_prm_write)(u32, s16 , u16);
u32 (*dsp_prm_read)(s16 , u16);
u32 (*dsp_prm_rmw_bits)(u32, u32, s16, s16);
void (*dsp_cm_write)(u32, s16 , u16);
u32 (*dsp_cm_read)(s16 , u16);
u32 (*dsp_cm_rmw_bits)(u32, u32, s16, s16);
void (*set_bootaddr)(u32);
void (*set_bootmode)(u8);
phys_addr_t phys_mempool_base;
phys_addr_t phys_mempool_size;
};
#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE)
extern void omap_dsp_reserve_sdram_memblock(void);
#else
static inline void omap_dsp_reserve_sdram_memblock(void) { }
#endif
#endif