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path: root/drivers/s390/cio/cmf.c
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Diffstat (limited to 'drivers/s390/cio/cmf.c')
-rw-r--r--drivers/s390/cio/cmf.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index dc98b2c6386..23054f8fa9f 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -1,9 +1,7 @@
/*
- * linux/drivers/s390/cio/cmf.c
- *
* Linux on zSeries Channel Measurement Facility support
*
- * Copyright 2000,2006 IBM Corporation
+ * Copyright IBM Corp. 2000, 2006
*
* Authors: Arnd Bergmann <arndb@de.ibm.com>
* Cornelia Huck <cornelia.huck@de.ibm.com>
@@ -35,7 +33,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
-#include <linux/timex.h> /* get_clock() */
+#include <linux/timex.h> /* get_tod_clock() */
#include <asm/ccwdev.h>
#include <asm/cio.h>
@@ -98,7 +96,7 @@ enum cmb_format {
* enum cmb_format.
*/
static int format = CMF_AUTODETECT;
-module_param(format, bool, 0444);
+module_param(format, bint, 0444);
/**
* struct cmb_operations - functions to use depending on cmb_format
@@ -328,7 +326,7 @@ static int cmf_copy_block(struct ccw_device *cdev)
memcpy(cmb_data->last_block, hw_block, cmb_data->size);
memcpy(reference_buf, hw_block, cmb_data->size);
} while (memcmp(cmb_data->last_block, reference_buf, cmb_data->size));
- cmb_data->last_update = get_clock();
+ cmb_data->last_update = get_tod_clock();
kfree(reference_buf);
return 0;
}
@@ -430,7 +428,7 @@ static void cmf_generic_reset(struct ccw_device *cdev)
memset(cmbops->align(cmb_data->hw_block), 0, cmb_data->size);
cmb_data->last_update = 0;
}
- cdev->private->cmb_start_time = get_clock();
+ cdev->private->cmb_start_time = get_tod_clock();
spin_unlock_irq(cdev->ccwlock);
}
@@ -462,7 +460,7 @@ static struct cmb_area cmb_area = {
* block of memory, which can not be moved as long as any channel
* is active. Therefore, a maximum number of subchannels needs to
* be defined somewhere. This is a module parameter, defaulting to
- * a resonable value of 1024, or 32 kb of memory.
+ * a reasonable value of 1024, or 32 kb of memory.
* Current kernels don't allow kmalloc with more than 128kb, so the
* maximum is 4096.
*/
@@ -1184,7 +1182,7 @@ static ssize_t cmb_enable_store(struct device *dev,
int ret;
unsigned long val;
- ret = strict_strtoul(buf, 16, &val);
+ ret = kstrtoul(buf, 16, &val);
if (ret)
return ret;
@@ -1204,6 +1202,11 @@ static ssize_t cmb_enable_store(struct device *dev,
DEVICE_ATTR(cmb_enable, 0644, cmb_enable_show, cmb_enable_store);
+int ccw_set_cmf(struct ccw_device *cdev, int enable)
+{
+ return cmbops->set(cdev, enable ? 2 : 0);
+}
+
/**
* enable_cmf() - switch on the channel measurement for a specific device
* @cdev: The ccw device to be enabled
@@ -1336,7 +1339,7 @@ module_init(init_cmf);
MODULE_AUTHOR("Arnd Bergmann <arndb@de.ibm.com>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("channel measurement facility base driver\n"
- "Copyright 2003 IBM Corporation\n");
+ "Copyright IBM Corp. 2003\n");
EXPORT_SYMBOL_GPL(enable_cmf);
EXPORT_SYMBOL_GPL(disable_cmf);