summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-kirkwood/cpuidle.c
diff options
context:
space:
mode:
authorAndrew Lunn <andrew@lunn.ch>2013-01-09 13:22:15 +0100
committerJason Cooper <jason@lakedaemon.net>2013-01-31 18:01:37 +0100
commit9cfc94eb0f4843af5d1141a37d7b7ca5d3b27220 (patch)
tree10a852a3b4717423a0186ba0d47f0e85b39bbc13 /arch/arm/mach-kirkwood/cpuidle.c
parentrtc: Add support of rtc-mv for MVEBU SoCs (diff)
downloadlinux-9cfc94eb0f4843af5d1141a37d7b7ca5d3b27220.tar.xz
linux-9cfc94eb0f4843af5d1141a37d7b7ca5d3b27220.zip
cpuidle: kirkwood: Move out of mach directory
Move the Kirkwood cpuidle driver out of arch/arm/mach-kirkwood and into drivers/cpuidle. Convert the driver into a platform driver. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/mach-kirkwood/cpuidle.c')
-rw-r--r--arch/arm/mach-kirkwood/cpuidle.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/arm/mach-kirkwood/cpuidle.c b/arch/arm/mach-kirkwood/cpuidle.c
deleted file mode 100644
index f7304670f2f8..000000000000
--- a/arch/arm/mach-kirkwood/cpuidle.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * arch/arm/mach-kirkwood/cpuidle.c
- *
- * CPU idle Marvell Kirkwood SoCs
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
- * The cpu idle uses wait-for-interrupt and DDR self refresh in order
- * to implement two idle states -
- * #1 wait-for-interrupt
- * #2 wait-for-interrupt and DDR self refresh
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/cpuidle.h>
-#include <linux/io.h>
-#include <linux/export.h>
-#include <asm/proc-fns.h>
-#include <asm/cpuidle.h>
-#include <mach/kirkwood.h>
-
-#define KIRKWOOD_MAX_STATES 2
-
-/* Actual code that puts the SoC in different idle states */
-static int kirkwood_enter_idle(struct cpuidle_device *dev,
- struct cpuidle_driver *drv,
- int index)
-{
- writel(0x7, DDR_OPERATION_BASE);
- cpu_do_idle();
-
- return index;
-}
-
-static struct cpuidle_driver kirkwood_idle_driver = {
- .name = "kirkwood_idle",
- .owner = THIS_MODULE,
- .en_core_tk_irqen = 1,
- .states[0] = ARM_CPUIDLE_WFI_STATE,
- .states[1] = {
- .enter = kirkwood_enter_idle,
- .exit_latency = 10,
- .target_residency = 100000,
- .flags = CPUIDLE_FLAG_TIME_VALID,
- .name = "DDR SR",
- .desc = "WFI and DDR Self Refresh",
- },
- .state_count = KIRKWOOD_MAX_STATES,
-};
-
-static DEFINE_PER_CPU(struct cpuidle_device, kirkwood_cpuidle_device);
-
-/* Initialize CPU idle by registering the idle states */
-static int kirkwood_init_cpuidle(void)
-{
- struct cpuidle_device *device;
-
- device = &per_cpu(kirkwood_cpuidle_device, smp_processor_id());
- device->state_count = KIRKWOOD_MAX_STATES;
-
- cpuidle_register_driver(&kirkwood_idle_driver);
- if (cpuidle_register_device(device)) {
- pr_err("kirkwood_init_cpuidle: Failed registering\n");
- return -EIO;
- }
- return 0;
-}
-
-device_initcall(kirkwood_init_cpuidle);