ARM: OMAP2+: remove DSP platform device

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: NKristina 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: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm/mach-omap2/Makefile

@@ -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
 

arch/arm/mach-omap2/common.c

@@ -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();
 }

arch/arm/mach-omap2/dsp.c

-/*
- * 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");

include/linux/platform_data/dsp-omap.h

-#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