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path: root/drivers/s390/block/xpram.c
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Diffstat (limited to 'drivers/s390/block/xpram.c')
-rw-r--r--drivers/s390/block/xpram.c63
1 files changed, 3 insertions, 60 deletions
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 91ef710edfd2..ce98fab4d43c 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -39,8 +39,6 @@
#include <linux/hdreg.h> /* HDIO_GETGEO */
#include <linux/device.h>
#include <linux/bio.h>
-#include <linux/suspend.h>
-#include <linux/platform_device.h>
#include <linux/gfp.h>
#include <linux/uaccess.h>
@@ -140,7 +138,7 @@ static long xpram_page_out (unsigned long page_addr, unsigned int xpage_index)
/*
* Check if xpram is available.
*/
-static int xpram_present(void)
+static int __init xpram_present(void)
{
unsigned long mem_page;
int rc;
@@ -156,7 +154,7 @@ static int xpram_present(void)
/*
* Return index of the last available xpram page.
*/
-static unsigned long xpram_highest_page_index(void)
+static unsigned long __init xpram_highest_page_index(void)
{
unsigned int page_index, add_bit;
unsigned long mem_page;
@@ -384,42 +382,6 @@ out:
}
/*
- * Resume failed: Print error message and call panic.
- */
-static void xpram_resume_error(const char *message)
-{
- pr_err("Resuming the system failed: %s\n", message);
- panic("xpram resume error\n");
-}
-
-/*
- * Check if xpram setup changed between suspend and resume.
- */
-static int xpram_restore(struct device *dev)
-{
- if (!xpram_pages)
- return 0;
- if (xpram_present() != 0)
- xpram_resume_error("xpram disappeared");
- if (xpram_pages != xpram_highest_page_index() + 1)
- xpram_resume_error("Size of xpram changed");
- return 0;
-}
-
-static const struct dev_pm_ops xpram_pm_ops = {
- .restore = xpram_restore,
-};
-
-static struct platform_driver xpram_pdrv = {
- .driver = {
- .name = XPRAM_NAME,
- .pm = &xpram_pm_ops,
- },
-};
-
-static struct platform_device *xpram_pdev;
-
-/*
* Finally, the init/exit functions.
*/
static void __exit xpram_exit(void)
@@ -430,8 +392,6 @@ static void __exit xpram_exit(void)
blk_cleanup_disk(xpram_disks[i]);
}
unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
- platform_device_unregister(xpram_pdev);
- platform_driver_unregister(&xpram_pdrv);
}
static int __init xpram_init(void)
@@ -449,24 +409,7 @@ static int __init xpram_init(void)
rc = xpram_setup_sizes(xpram_pages);
if (rc)
return rc;
- rc = platform_driver_register(&xpram_pdrv);
- if (rc)
- return rc;
- xpram_pdev = platform_device_register_simple(XPRAM_NAME, -1, NULL, 0);
- if (IS_ERR(xpram_pdev)) {
- rc = PTR_ERR(xpram_pdev);
- goto fail_platform_driver_unregister;
- }
- rc = xpram_setup_blkdev();
- if (rc)
- goto fail_platform_device_unregister;
- return 0;
-
-fail_platform_device_unregister:
- platform_device_unregister(xpram_pdev);
-fail_platform_driver_unregister:
- platform_driver_unregister(&xpram_pdrv);
- return rc;
+ return xpram_setup_blkdev();
}
module_init(xpram_init);