Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ARM: OMAP2+: hwmod: remove prm_clkdm, cm_clkdm; allow hwmods to have no clockdomain

Browse source 
Remove prm_clkdm and cm_clkdm and allow hwmods to have no clockdomain.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <b-cousson@ti.com>
This commit is contained in:
Paul Walmsley 2012-06-19 15:01:02 -06:00
parent 485802a6c5
commit 868c157df9
9 changed files with 19 additions and 47 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/arm/mach-omap2/Makefile
View file

@ -116,7 +116,6 @@ obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o
# PRCM clockdomain control
clockdomain-common += clockdomain.o
clockdomain-common += clockdomains_common_data.o
obj-$(CONFIG_ARCH_OMAP2) += $(clockdomain-common)
obj-$(CONFIG_ARCH_OMAP2) += clockdomain2xxx_3xxx.o
obj-$(CONFIG_ARCH_OMAP2) += clockdomains2xxx_3xxx_data.o

2
arch/arm/mach-omap2/clockdomain.h
View file

@ -206,7 +206,5 @@ extern struct clkdm_ops omap4_clkdm_operations;
extern struct clkdm_dep gfx_24xx_wkdeps[];
extern struct clkdm_dep dsp_24xx_wkdeps[];
extern struct clockdomain wkup_common_clkdm;
extern struct clockdomain prm_common_clkdm;
extern struct clockdomain cm_common_clkdm;
#endif

2
arch/arm/mach-omap2/clockdomains2420_data.c
View file

@ -131,8 +131,6 @@ static struct clockdomain dss_2420_clkdm = {
static struct clockdomain *clockdomains_omap242x[] __initdata = {
&wkup_common_clkdm,
&cm_common_clkdm,
&prm_common_clkdm,
&mpu_2420_clkdm,
&iva1_2420_clkdm,
&dsp_2420_clkdm,

2
arch/arm/mach-omap2/clockdomains2430_data.c
View file

@ -157,8 +157,6 @@ static struct clockdomain dss_2430_clkdm = {
static struct clockdomain *clockdomains_omap243x[] __initdata = {
&wkup_common_clkdm,
&cm_common_clkdm,
&prm_common_clkdm,
&mpu_2430_clkdm,
&mdm_clkdm,
&dsp_2430_clkdm,

2
arch/arm/mach-omap2/clockdomains3xxx_data.c
View file

@ -347,8 +347,6 @@ static struct clkdm_autodep clkdm_autodeps[] = {
static struct clockdomain *clockdomains_omap3430_common[] __initdata = {
&wkup_common_clkdm,
&cm_common_clkdm,
&prm_common_clkdm,
&mpu_3xxx_clkdm,
&neon_clkdm,
&iva2_clkdm,

2
arch/arm/mach-omap2/clockdomains44xx_data.c
View file

@ -430,8 +430,6 @@ static struct clockdomain *clockdomains_omap44xx[] __initdata = {
&l4_wkup_44xx_clkdm,
&emu_sys_44xx_clkdm,
&l3_dma_44xx_clkdm,
&prm_common_clkdm,
&cm_common_clkdm,
NULL
};

24
arch/arm/mach-omap2/clockdomains_common_data.c
View file

@ -1,24 +0,0 @@
/*
* OMAP2+-common clockdomain data
*
* Copyright (C) 2008-2012 Texas Instruments, Inc.
* Copyright (C) 2008-2010 Nokia Corporation
*
* Paul Walmsley, Jouni Högander
*/
#include <linux/kernel.h>
#include <linux/io.h>
#include "clockdomain.h"
/* These are implicit clockdomains - they are never defined as such in TRM */
struct clockdomain prm_common_clkdm = {
.name = "prm_clkdm",
.pwrdm = { .name = "wkup_pwrdm" },
};
struct clockdomain cm_common_clkdm = {
.name = "cm_clkdm",
.pwrdm = { .name = "core_pwrdm" },
};

28
arch/arm/mach-omap2/omap_hwmod.c
View file

@ -810,7 +810,7 @@ static int _omap4_wait_target_disable(struct omap_hwmod *oh)
if (!cpu_is_omap44xx())
return 0;
if (!oh)
if (!oh || !oh->clkdm)
return -EINVAL;
if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
@ -1285,23 +1285,22 @@ static struct omap_hwmod *_lookup(const char *name)
return oh;
}
/**
* _init_clkdm - look up a clockdomain name, store pointer in omap_hwmod
* @oh: struct omap_hwmod *
*
* Convert a clockdomain name stored in a struct omap_hwmod into a
* clockdomain pointer, and save it into the struct omap_hwmod.
* return -EINVAL if clkdm_name does not exist or if the lookup failed.
* Return -EINVAL if the clkdm_name lookup failed.
*/
static int _init_clkdm(struct omap_hwmod *oh)
{
if (cpu_is_omap24xx() || cpu_is_omap34xx())
return 0;
if (!oh->clkdm_name) {
pr_warning("omap_hwmod: %s: no clkdm_name\n", oh->name);
return -EINVAL;
}
if (!oh->clkdm_name)
return 0;
oh->clkdm = clkdm_lookup(oh->clkdm_name);
if (!oh->clkdm) {
@ -1447,16 +1446,20 @@ static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
if (IS_ERR_VALUE(ret))
return ret;
if (cpu_is_omap24xx() || cpu_is_omap34xx())
if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
return omap2_prm_assert_hardreset(oh->prcm.omap2.module_offs,
ohri.rst_shift);
else if (cpu_is_omap44xx())
} else if (cpu_is_omap44xx()) {
if (!oh->clkdm)
return -EINVAL;
return omap4_prminst_assert_hardreset(ohri.rst_shift,
oh->clkdm->pwrdm.ptr->prcm_partition,
oh->clkdm->pwrdm.ptr->prcm_offs,
oh->prcm.omap4.rstctrl_offs);
else
} else {
return -EINVAL;
}
}
/**
@ -1489,6 +1492,10 @@ static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
if (ohri.st_shift)
pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n",
oh->name, name);
if (!oh->clkdm)
return -EINVAL;
ret = omap4_prminst_deassert_hardreset(ohri.rst_shift,
oh->clkdm->pwrdm.ptr->prcm_partition,
oh->clkdm->pwrdm.ptr->prcm_offs,
@ -1527,6 +1534,9 @@ static int _read_hardreset(struct omap_hwmod *oh, const char *name)
return omap2_prm_is_hardreset_asserted(oh->prcm.omap2.module_offs,
ohri.st_shift);
} else if (cpu_is_omap44xx()) {
if (!oh->clkdm)
return -EINVAL;
return omap4_prminst_is_hardreset_asserted(ohri.rst_shift,
oh->clkdm->pwrdm.ptr->prcm_partition,
oh->clkdm->pwrdm.ptr->prcm_offs,

3
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
View file

@ -2540,14 +2540,12 @@ static struct omap_hwmod omap44xx_prcm_mpu_hwmod = {
static struct omap_hwmod omap44xx_cm_core_aon_hwmod = {
.name = "cm_core_aon",
.class = &omap44xx_prcm_hwmod_class,
.clkdm_name = "cm_clkdm",
};
/* cm_core */
static struct omap_hwmod omap44xx_cm_core_hwmod = {
.name = "cm_core",
.class = &omap44xx_prcm_hwmod_class,
.clkdm_name = "cm_clkdm",
};
/* prm */
@ -2564,7 +2562,6 @@ static struct omap_hwmod_rst_info omap44xx_prm_resets[] = {
static struct omap_hwmod omap44xx_prm_hwmod = {
.name = "prm",
.class = &omap44xx_prcm_hwmod_class,
.clkdm_name = "prm_clkdm",
.mpu_irqs = omap44xx_prm_irqs,
.rst_lines = omap44xx_prm_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_prm_resets),