Merge samba.org:/scratch/anton/linux-2.5

into samba.org:/scratch/anton/sfr

drivers/parport/ieee1284.c

@@ -170,7 +170,7 @@ int parport_wait_peripheral(struct parport *port,
 {
 	int ret;
 	int usec;
-	long deadline;
+	unsigned long deadline;
 	unsigned char status;
 
 	usec = port->physport->spintime; /* usecs of fast polling */

drivers/parport/ieee1284_ops.c

@@ -58,7 +58,7 @@ size_t parport_ieee1284_write_compat (struct parport *port,
 	parport_write_control (port, ctl);
 	parport_data_forward (port);
 	while (count < len) {
-		long expire = jiffies + dev->timeout;
+		unsigned long expire = jiffies + dev->timeout;
 		long wait = (HZ + 99) / 100;
 		unsigned char mask = (PARPORT_STATUS_ERROR
 				      | PARPORT_STATUS_BUSY);
@@ -431,7 +431,7 @@ size_t parport_ieee1284_ecp_write_data (struct parport *port,
 			      | PARPORT_CONTROL_INIT,
 			      PARPORT_CONTROL_INIT);
 	for (written = 0; written < len; written++, buf++) {
-		long expire = jiffies + port->cad->timeout;
+		unsigned long expire = jiffies + port->cad->timeout;
 		unsigned char byte;
 
 		byte = *buf;
@@ -520,7 +520,7 @@ size_t parport_ieee1284_ecp_read_data (struct parport *port,
 	parport_write_control (port,
 			       ctl | PARPORT_CONTROL_AUTOFD);
 	while (count < len) {
-		long expire = jiffies + dev->timeout;
+		unsigned long expire = jiffies + dev->timeout;
 		unsigned char byte;
 		int command;
 
@@ -668,7 +668,7 @@ size_t parport_ieee1284_ecp_write_addr (struct parport *port,
 			      PARPORT_CONTROL_AUTOFD
 			      | PARPORT_CONTROL_INIT);
 	for (written = 0; written < len; written++, buf++) {
-		long expire = jiffies + port->cad->timeout;
+		unsigned long expire = jiffies + port->cad->timeout;
 		unsigned char byte;
 
 		byte = *buf;

include/linux/jiffies.h

 #ifndef _LINUX_JIFFIES_H
 #define _LINUX_JIFFIES_H
 
+#include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <linux/seqlock.h>
@@ -37,10 +38,16 @@ static inline u64 get_jiffies_64(void)
  * good compiler would generate better code (and a really good compiler
  * wouldn't care). Gcc is currently neither.
  */
-#define time_after(a,b)		((long)(b) - (long)(a) < 0)
+#define time_after(a,b)		\
+	(typecheck(unsigned long, a) && \
+	 typecheck(unsigned long, b) && \
+	 ((long)(b) - (long)(a) < 0))
 #define time_before(a,b)	time_after(b,a)
 
-#define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
+#define time_after_eq(a,b)	\
+	(typecheck(unsigned long, a) && \
+	 typecheck(unsigned long, b) && \
+	 ((long)(a) - (long)(b) >= 0))
 #define time_before_eq(a,b)	time_after_eq(b,a)
 
 #endif

include/linux/kernel.h

@@ -188,6 +188,17 @@ extern void dump_stack(void);
         const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
         (type *)( (char *)__mptr - offsetof(type,member) );})
 
+/*
+ * Check at compile time that something is of a particular type.
+ * Always evaluates to 1 so you may use it easily in conparisons.
+ */
+#define typecheck(type,x) \
+({	type __dummy; \
+	typeof(x) __dummy2; \
+	(void)(&__dummy == &__dummy2); \
+	1; \
+})
+
 #endif /* __KERNEL__ */
 
 #define SI_LOAD_SHIFT	16

sound/pci/ac97/ac97_codec.c

@@ -1808,7 +1808,7 @@ static void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name)
  */
 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
 {
-	signed long end_time;
+	unsigned long end_time;
 	end_time = jiffies + timeout;
 	do {
 		unsigned short ext_mid;
@@ -1866,7 +1866,7 @@ int snd_ac97_mixer(snd_card_t * card, ac97_t * _ac97, ac97_t ** rac97)
 	int err;
 	ac97_t *ac97;
 	char name[64];
-	signed long end_time;
+	unsigned long end_time;
 	static snd_device_ops_t ops = {
 		.dev_free =	snd_ac97_dev_free,
 	};

sound/pci/intel8x0.c

@@ -1741,7 +1741,7 @@ static void do_delay(intel8x0_t *chip)
 
 static int snd_intel8x0_ich_chip_init(intel8x0_t *chip)
 {
-	signed long end_time;
+	unsigned long end_time;
 	unsigned int cnt, status, nstatus;
 	
 	/* put logic to right state */