Merge branch 'vexpress' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

From Catalin Marinas <catalin.marinas@arm.com>:

 "... move the vexpress poweroff/restart code from arch/arm to
 driver/power/reset so that the code can be reused in arm64."
This commit is contained in:
Anton Vorontsov 2013-03-30 15:47:40 -07:00
commit 18bc4e79fd
7 changed files with 20 additions and 12 deletions

View File

@ -17,6 +17,9 @@ config ARCH_VEXPRESS
select NO_IOPORT
select PLAT_VERSATILE
select PLAT_VERSATILE_CLCD
select POWER_RESET
select POWER_RESET_VEXPRESS
select POWER_SUPPLY
select REGULATOR_FIXED_VOLTAGE if REGULATOR
select VEXPRESS_CONFIG
help

View File

@ -4,7 +4,7 @@
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
-I$(srctree)/arch/arm/plat-versatile/include
obj-y := v2m.o reset.o
obj-y := v2m.o
obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o

View File

@ -361,8 +361,6 @@ static void __init v2m_init(void)
for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++)
amba_device_register(v2m_amba_devs[i], &iomem_resource);
pm_power_off = vexpress_power_off;
ct_desc->init_tile();
}
@ -374,7 +372,6 @@ MACHINE_START(VEXPRESS, "ARM-Versatile Express")
.init_irq = v2m_init_irq,
.init_time = v2m_timer_init,
.init_machine = v2m_init,
.restart = vexpress_restart,
MACHINE_END
static struct map_desc v2m_rs1_io_desc __initdata = {
@ -464,7 +461,6 @@ static void __init v2m_dt_init(void)
{
l2x0_of_init(0x00400000, 0xfe0fffff);
of_platform_populate(NULL, v2m_dt_bus_match, NULL, NULL);
pm_power_off = vexpress_power_off;
}
static const char * const v2m_dt_match[] __initconst = {
@ -481,5 +477,4 @@ DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
.init_irq = irqchip_init,
.init_time = v2m_dt_timer_init,
.init_machine = v2m_dt_init,
.restart = vexpress_restart,
MACHINE_END

View File

@ -30,3 +30,10 @@ config POWER_RESET_RESTART
Some boards don't actually have the ability to power off.
Instead they restart, and u-boot holds the SoC until the
user presses a key. u-boot then boots into Linux.
config POWER_RESET_VEXPRESS
bool
depends on POWER_RESET
help
Power off and reset support for the ARM Ltd. Versatile
Express boards.

View File

@ -1,3 +1,4 @@
obj-$(CONFIG_POWER_RESET_GPIO) += gpio-poweroff.o
obj-$(CONFIG_POWER_RESET_QNAP) += qnap-poweroff.o
obj-$(CONFIG_POWER_RESET_RESTART) += restart-poweroff.o
obj-$(CONFIG_POWER_RESET_RESTART) += restart-poweroff.o
obj-$(CONFIG_POWER_RESET_VEXPRESS) += vexpress-poweroff.o

View File

@ -18,6 +18,8 @@
#include <linux/stat.h>
#include <linux/vexpress.h>
#include <asm/system_misc.h>
static void vexpress_reset_do(struct device *dev, const char *what)
{
int err = -ENOENT;
@ -39,14 +41,14 @@ static void vexpress_reset_do(struct device *dev, const char *what)
static struct device *vexpress_power_off_device;
void vexpress_power_off(void)
static void vexpress_power_off(void)
{
vexpress_reset_do(vexpress_power_off_device, "power off");
}
static struct device *vexpress_restart_device;
void vexpress_restart(char str, const char *cmd)
static void vexpress_restart(char str, const char *cmd)
{
vexpress_reset_do(vexpress_restart_device, "restart");
}
@ -103,14 +105,17 @@ static int vexpress_reset_probe(struct platform_device *pdev)
switch (func) {
case FUNC_SHUTDOWN:
vexpress_power_off_device = &pdev->dev;
pm_power_off = vexpress_power_off;
break;
case FUNC_RESET:
if (!vexpress_restart_device)
vexpress_restart_device = &pdev->dev;
arm_pm_restart = vexpress_restart;
device_create_file(&pdev->dev, &dev_attr_active);
break;
case FUNC_REBOOT:
vexpress_restart_device = &pdev->dev;
arm_pm_restart = vexpress_restart;
device_create_file(&pdev->dev, &dev_attr_active);
break;
};

View File

@ -115,9 +115,6 @@ unsigned __vexpress_get_site(struct device *dev, struct device_node *node);
void vexpress_sysreg_early_init(void __iomem *base);
void vexpress_sysreg_of_early_init(void);
void vexpress_power_off(void);
void vexpress_restart(char str, const char *cmd);
/* Clocks */
struct clk *vexpress_osc_setup(struct device *dev);