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ARM: OMAP: PM: only register TWL with voltage layer when device is present 

Current code registers voltage layer details for TWL PMIC even when a TWL
has not been registered.  Fix this to only register the TWL with voltage
layer when the TWL PMIC is initialized by board-level code.

Signed-off-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Kevin Hilman 2011-11-23 14:43:01 -08:00 committed by Tony Lindgren
parent cc1b0765da
commit 46232a3622
3 changed files with 16 additions and 4 deletions
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6
arch/arm/mach-omap2/pm.c
View File

@ -24,6 +24,7 @@
#include "powerdomain.h"
#include "clockdomain.h"
#include "pm.h"
#include "twl-common.h"
static struct omap_device_pm_latency *pm_lats;
@ -226,11 +227,8 @@ postcore_initcall(omap2_common_pm_init);
static int __init omap2_common_pm_late_init(void)
{
/* Init the OMAP TWL parameters */
omap3_twl_init();
omap4_twl_init();
/* Init the voltage layer */
omap_pmic_late_init();
omap_voltage_late_init();
/* Initialize the voltages */

11
arch/arm/mach-omap2/twl-common.c
View File

@ -30,6 +30,7 @@
#include <plat/usb.h>
#include "twl-common.h"
#include "pm.h"
static struct i2c_board_info __initdata pmic_i2c_board_info = {
.addr = 0x48,
@ -48,6 +49,16 @@ void __init omap_pmic_init(int bus, u32 clkrate,
omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1);
}
void __init omap_pmic_late_init(void)
{
/* Init the OMAP TWL parameters (if PMIC has been registerd) */
if (!pmic_i2c_board_info.irq)
return;
omap3_twl_init();
omap4_twl_init();
}
#if defined(CONFIG_ARCH_OMAP3)
static struct twl4030_usb_data omap3_usb_pdata = {
.usb_mode = T2_USB_MODE_ULPI,

3
arch/arm/mach-omap2/twl-common.h
View File

@ -1,6 +1,8 @@
#ifndef __OMAP_PMIC_COMMON__
#define __OMAP_PMIC_COMMON__
#include <plat/irqs.h>
#define TWL_COMMON_PDATA_USB (1 << 0)
#define TWL_COMMON_PDATA_BCI (1 << 1)
#define TWL_COMMON_PDATA_MADC (1 << 2)
@ -30,6 +32,7 @@ struct twl4030_platform_data;
void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq,
struct twl4030_platform_data *pmic_data);
void omap_pmic_late_init(void);
static inline void omap2_pmic_init(const char *pmic_type,
struct twl4030_platform_data *pmic_data)