/*!*****************************************************************************
*!
-*! Implements an interface for i2c compatible eeproms to run under linux.
-*! Supports 2k, 8k(?) and 16k. Uses adaptive timing adjustents by
+*! Implements an interface for i2c compatible eeproms to run under Linux.
+*! Supports 2k, 8k(?) and 16k. Uses adaptive timing adjustments by
*! Johan.Adolfsson@axis.com
*!
*! Probing results:
*! in the spin-lock.
*!
*! $Log: eeprom.c,v $
+*! Revision 1.12 2005/06/19 17:06:46 starvik
+*! Merge of Linux 2.6.12.
+*!
+*! Revision 1.11 2005/01/26 07:14:46 starvik
+*! Applied diff from kernel janitors (Nish Aravamudan).
+*!
*! Revision 1.10 2003/09/11 07:29:48 starvik
*! Merge of Linux 2.6.0-test5
*!
*! Revision 1.8 2001/06/15 13:24:29 jonashg
*! * Added verification of pointers from userspace in read and write.
*! * Made busy counter volatile.
-*! * Added define for inital write delay.
+*! * Added define for initial write delay.
*! * Removed warnings by using loff_t instead of unsigned long.
*!
*! Revision 1.7 2001/06/14 15:26:54 jonashg
*! (c) 1999 Axis Communications AB, Lund, Sweden
*!*****************************************************************************/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/wait.h>
#include <asm/uaccess.h>
#include "i2c.h"
static int eeprom_open(struct inode * inode, struct file * file)
{
- if(MINOR(inode->i_rdev) != EEPROM_MINOR_NR)
+ if(iminor(inode) != EEPROM_MINOR_NR)
return -ENXIO;
- if(MAJOR(inode->i_rdev) != EEPROM_MAJOR_NR)
+ if(imajor(inode) != EEPROM_MAJOR_NR)
return -ENXIO;
if( eeprom.size > 0 )
return -EFAULT;
}
- while(eeprom.busy)
- {
- interruptible_sleep_on(&eeprom.wait_q);
+ wait_event_interruptible(eeprom.wait_q, !eeprom.busy);
+ if (signal_pending(current))
+ return -EINTR;
- /* bail out if we get interrupted */
- if (signal_pending(current))
- return -EINTR;
-
- }
eeprom.busy++;
page = (unsigned char) (p >> 8);
return -EFAULT;
}
- while(eeprom.busy)
- {
- interruptible_sleep_on(&eeprom.wait_q);
- /* bail out if we get interrupted */
- if (signal_pending(current))
- return -EINTR;
- }
+ wait_event_interruptible(eeprom.wait_q, !eeprom.busy);
+ /* bail out if we get interrupted */
+ if (signal_pending(current))
+ return -EINTR;
eeprom.busy++;
for(i = 0; (i < EEPROM_RETRIES) && (restart > 0); i++)
{