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Diffstat (limited to 'arch/x86/platform/olpc/olpc-xo1.c')
-rw-r--r--arch/x86/platform/olpc/olpc-xo1.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/x86/platform/olpc/olpc-xo1.c b/arch/x86/platform/olpc/olpc-xo1.c
index 127775696d6c..ab81fb271760 100644
--- a/arch/x86/platform/olpc/olpc-xo1.c
+++ b/arch/x86/platform/olpc/olpc-xo1.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
+#include <linux/mfd/core.h>
#include <asm/io.h>
#include <asm/olpc.h>
@@ -56,25 +57,24 @@ static void xo1_power_off(void)
static int __devinit olpc_xo1_probe(struct platform_device *pdev)
{
struct resource *res;
+ int err;
/* don't run on non-XOs */
if (!machine_is_olpc())
return -ENODEV;
+ err = mfd_cell_enable(pdev);
+ if (err)
+ return err;
+
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res) {
dev_err(&pdev->dev, "can't fetch device resource info\n");
return -EIO;
}
-
- if (!request_region(res->start, resource_size(res), DRV_NAME)) {
- dev_err(&pdev->dev, "can't request region\n");
- return -EIO;
- }
-
if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = res->start;
- else if (strcmp(pdev->name, "cs5535-acpi") == 0)
+ else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
acpi_base = res->start;
/* If we have both addresses, we can override the poweroff hook */
@@ -88,14 +88,11 @@ static int __devinit olpc_xo1_probe(struct platform_device *pdev)
static int __devexit olpc_xo1_remove(struct platform_device *pdev)
{
- struct resource *r;
-
- r = platform_get_resource(pdev, IORESOURCE_IO, 0);
- release_region(r->start, resource_size(r));
+ mfd_cell_disable(pdev);
if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = 0;
- else if (strcmp(pdev->name, "cs5535-acpi") == 0)
+ else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
acpi_base = 0;
pm_power_off = NULL;
@@ -113,7 +110,7 @@ static struct platform_driver cs5535_pms_drv = {
static struct platform_driver cs5535_acpi_drv = {
.driver = {
- .name = "cs5535-acpi",
+ .name = "olpc-xo1-pm-acpi",
.owner = THIS_MODULE,
},
.probe = olpc_xo1_probe,
@@ -143,7 +140,7 @@ static void __exit olpc_xo1_exit(void)
MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:olpc-xo1");
+MODULE_ALIAS("platform:cs5535-pms");
module_init(olpc_xo1_init);
module_exit(olpc_xo1_exit);