Merge branch 'for-linus' of git://www.jni.nu/cris

* 'for-linus' of git://www.jni.nu/cris:
  CRIS: Don't use mask_irq as symbol name
  CRIS: Simplify param.h by simply including <asm-generic/param.h>
  CRISv10: Whitespace fixes for hw_settings.S
  CRISv10: Trivial fixes.
  CRISv32: Fix RS485 port 4 CD Kconfig item.
  CRISv32: Remove duplicated Kconfig items.
  cris: push down BKL into some device drivers

arch/cris/arch-v10/drivers/ds1302.c

@@ -19,6 +19,7 @@
 #include <linux/module.h>
 #include <linux/miscdevice.h>
 #include <linux/delay.h>
+#include <linux/smp_lock.h>
 #include <linux/bcd.h>
 #include <linux/capability.h>
 
@@ -238,9 +239,7 @@ static unsigned char days_in_mo[] =
 
 /* ioctl that supports RTC_RD_TIME and RTC_SET_TIME (read and set time/date). */
 
-static int
-rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	  unsigned long arg) 
+static int rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	unsigned long flags;
 
@@ -354,6 +353,17 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	}
 }
 
+static long rtc_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = rtc_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static void
 print_rtc_status(void)
 {
@@ -376,7 +386,7 @@ print_rtc_status(void)
 
 static const struct file_operations rtc_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl =	rtc_ioctl,
+	.unlocked_ioctl = rtc_unlocked_ioctl,
 }; 
 
 /* Probe for the chip by writing something to its RAM and try reading it back. */

arch/cris/arch-v10/drivers/pcf8563.c

@@ -27,6 +27,7 @@
 #include <linux/delay.h>
 #include <linux/bcd.h>
 #include <linux/mutex.h>
+#include <linux/smp_lock.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -53,7 +54,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */
 static const unsigned char days_in_month[] =
 	{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
 
-int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+static long pcf8563_unlocked_ioctl(struct file *, unsigned int, unsigned long);
 
 /* Cache VL bit value read at driver init since writing the RTC_SECOND
  * register clears the VL status.
@@ -62,7 +63,7 @@ static int voltage_low;
 
 static const struct file_operations pcf8563_fops = {
 	.owner = THIS_MODULE,
-	.ioctl = pcf8563_ioctl,
+	.unlocked_ioctl = pcf8563_unlocked_ioctl,
 };
 
 unsigned char
@@ -212,8 +213,7 @@ pcf8563_exit(void)
  * ioctl calls for this driver. Why return -ENOTTY upon error? Because
  * POSIX says so!
  */
-int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-	unsigned long arg)
+static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	/* Some sanity checks. */
 	if (_IOC_TYPE(cmd) != RTC_MAGIC)
@@ -339,6 +339,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 	return 0;
 }
 
+static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	return pcf8563_ioctl(filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static int __init pcf8563_register(void)
 {
 	if (pcf8563_init() < 0) {

arch/cris/arch-v10/kernel/irq.c

@@ -17,8 +17,8 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 
-#define mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr));
-#define unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr));
+#define crisv10_mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr));
+#define crisv10_unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr));
 
 /* don't use set_int_vector, it bypasses the linux interrupt handlers. it is
  * global just so that the kernel gdb can use it.
@@ -116,12 +116,12 @@ static unsigned int startup_crisv10_irq(unsigned int irq)
 
 static void enable_crisv10_irq(unsigned int irq)
 {
-	unmask_irq(irq);
+	crisv10_unmask_irq(irq);
 }
 
 static void disable_crisv10_irq(unsigned int irq)
 {
-	mask_irq(irq);
+	crisv10_mask_irq(irq);
 }
 
 static void ack_crisv10_irq(unsigned int irq)

arch/cris/arch-v10/lib/dmacopy.c

-/* $Id: dmacopy.c,v 1.1 2001/12/17 13:59:27 bjornw Exp $ 
- *
+/*
  * memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax
  */
 
@@ -14,7 +13,7 @@ void *dma_memcpy(void *pdst,
 {
 	static etrax_dma_descr indma, outdma;
 
-	D(printk("dma_memcpy %d bytes... ", pn));
+	D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn));
 
 #if 0
 	*R_GEN_CONFIG = genconfig_shadow =
@@ -33,10 +32,10 @@ void *dma_memcpy(void *pdst,
 	*R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start);
 	*R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start);
 
-	while(*R_DMA_CH7_CMD == 1) /* wait for completion */ ;
-
-	D(printk("done\n"));
+	while (*R_DMA_CH7_CMD == 1)
+		/* wait for completion */;
 
+	D(printk(KERN_DEBUG "done\n"));
 }
 
 

arch/cris/arch-v10/lib/hw_settings.S

 /*
- * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
- * 
  * This table is used by some tools to extract hardware parameters.
  * The table should be included in the kernel and the decompressor.
  * Don't forget to update the tools if you change this table.

arch/cris/arch-v32/drivers/Kconfig

@@ -360,24 +360,10 @@ config ETRAX_SER4_DSR_BIT
 	string "Ser 4 DSR bit (empty = not used)"
 	depends on ETRAX_SERIAL_PORT4
 
-config ETRAX_SER3_CD_BIT
+config ETRAX_SER4_CD_BIT
 	string "Ser 4 CD bit (empty = not used)"
 	depends on ETRAX_SERIAL_PORT4
 
-config ETRAX_RS485
-	bool "RS-485 support"
-	depends on ETRAXFS_SERIAL
-	help
-	  Enables support for RS-485 serial communication.  For a primer on
-	  RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>.
-
-config ETRAX_RS485_DISABLE_RECEIVER
-	bool "Disable serial receiver"
-	depends on ETRAX_RS485
-	help
-	  It is necessary to disable the serial receiver to avoid serial
-	  loopback.  Not all products are able to do this in software only.
-
 config ETRAX_SYNCHRONOUS_SERIAL
 	bool "Synchronous serial-port support"
 	depends on ETRAX_ARCH_V32

arch/cris/arch-v32/drivers/i2c.c

@@ -649,10 +649,10 @@ i2c_release(struct inode *inode, struct file *filp)
 /* Main device API. ioctl's to write or read to/from i2c registers.
  */
 
-static int
-i2c_ioctl(struct inode *inode, struct file *file,
-	  unsigned int cmd, unsigned long arg)
+static long
+i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
+	int ret;
 	if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) {
 		return -ENOTTY;
 	}
@@ -665,9 +665,13 @@ i2c_ioctl(struct inode *inode, struct file *file,
 				 I2C_ARGREG(arg),
 				 I2C_ARGVALUE(arg)));
 
-			return i2c_writereg(I2C_ARGSLAVE(arg),
+			lock_kernel();
+			ret = i2c_writereg(I2C_ARGSLAVE(arg),
 					    I2C_ARGREG(arg),
 					    I2C_ARGVALUE(arg));
+			unlock_kernel();
+			return ret;
+
 		case I2C_READREG:
 		{
 			unsigned char val;
@@ -675,7 +679,9 @@ i2c_ioctl(struct inode *inode, struct file *file,
 			D(printk("i2cr %d %d ",
 				I2C_ARGSLAVE(arg),
 				I2C_ARGREG(arg)));
+			lock_kernel();
 			val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg));
+			unlock_kernel();
 			D(printk("= %d\n", val));
 			return val;
 		}
@@ -689,7 +695,7 @@ i2c_ioctl(struct inode *inode, struct file *file,
 
 static const struct file_operations i2c_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl =    i2c_ioctl,
+	.unlocked_ioctl = i2c_ioctl,
 	.open		= i2c_open,
 	.release	= i2c_release,
 };

arch/cris/arch-v32/drivers/pcf8563.c

@@ -24,6 +24,7 @@
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/ioctl.h>
+#include <linux/smp_lock.h>
 #include <linux/delay.h>
 #include <linux/bcd.h>
 #include <linux/mutex.h>
@@ -49,7 +50,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */
 static const unsigned char days_in_month[] =
 	{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
 
-int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 
 /* Cache VL bit value read at driver init since writing the RTC_SECOND
  * register clears the VL status.
@@ -58,7 +59,7 @@ static int voltage_low;
 
 static const struct file_operations pcf8563_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl =	pcf8563_ioctl
+	.unlocked_ioctl = pcf8563_unlocked_ioctl,
 };
 
 unsigned char
@@ -208,8 +209,7 @@ pcf8563_exit(void)
  * ioctl calls for this driver. Why return -ENOTTY upon error? Because
  * POSIX says so!
  */
-int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-	unsigned long arg)
+static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	/* Some sanity checks. */
 	if (_IOC_TYPE(cmd) != RTC_MAGIC)
@@ -335,6 +335,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 	return 0;
 }
 
+static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	return pcf8563_ioctl(filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static int __init pcf8563_register(void)
 {
 	if (pcf8563_init() < 0) {

arch/cris/arch-v32/kernel/crisksyms.c

@@ -24,5 +24,5 @@ EXPORT_SYMBOL(crisv32_io_get_name);
 EXPORT_SYMBOL(crisv32_io_get);
 
 /* Functions masking/unmasking interrupts */
-EXPORT_SYMBOL(mask_irq);
-EXPORT_SYMBOL(unmask_irq);
+EXPORT_SYMBOL(crisv32_mask_irq);
+EXPORT_SYMBOL(crisv32_unmask_irq);

arch/cris/arch-v32/kernel/irq.c

@@ -280,8 +280,7 @@ static int irq_cpu(int irq)
 	return cpu;
 }
 
-void
-mask_irq(int irq)
+void crisv32_mask_irq(int irq)
 {
 	int cpu;
 
@@ -289,8 +288,7 @@ mask_irq(int irq)
 		block_irq(irq, cpu);
 }
 
-void
-unmask_irq(int irq)
+void crisv32_unmask_irq(int irq)
 {
 	unblock_irq(irq, irq_cpu(irq));
 }
@@ -298,23 +296,23 @@ unmask_irq(int irq)
 
 static unsigned int startup_crisv32_irq(unsigned int irq)
 {
-	unmask_irq(irq);
+	crisv32_unmask_irq(irq);
 	return 0;
 }
 
 static void shutdown_crisv32_irq(unsigned int irq)
 {
-	mask_irq(irq);
+	crisv32_mask_irq(irq);
 }
 
 static void enable_crisv32_irq(unsigned int irq)
 {
-	unmask_irq(irq);
+	crisv32_unmask_irq(irq);
 }
 
 static void disable_crisv32_irq(unsigned int irq)
 {
-	mask_irq(irq);
+	crisv32_mask_irq(irq);
 }
 
 static void ack_crisv32_irq(unsigned int irq)

arch/cris/arch-v32/kernel/smp.c

@@ -168,8 +168,8 @@ void __init smp_callin(void)
 
 	/* Enable IRQ and idle */
 	REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask);
-	unmask_irq(IPI_INTR_VECT);
-	unmask_irq(TIMER0_INTR_VECT);
+	crisv32_unmask_irq(IPI_INTR_VECT);
+	crisv32_unmask_irq(TIMER0_INTR_VECT);
 	preempt_disable();
 	notify_cpu_starting(cpu);
 	local_irq_enable();

arch/cris/include/arch-v10/arch/irq.h

@@ -93,7 +93,8 @@ void set_break_vector(int n, irqvectptr addr);
   "push $r10\n\t"       /* push orig_r10 */ \
   "clear.d [$sp=$sp-4]\n\t"  /* frametype - this is a normal stackframe */
 
-  /* BLOCK_IRQ and UNBLOCK_IRQ do the same as mask_irq and unmask_irq */
+/* BLOCK_IRQ and UNBLOCK_IRQ do the same as
+ * crisv10_mask_irq and crisv10_unmask_irq */
 
 #define BLOCK_IRQ(mask,nr) \
   "move.d " #mask ",$r0\n\t" \

arch/cris/include/arch-v32/arch/irq.h

@@ -23,8 +23,8 @@ struct etrax_interrupt_vector {
 
 extern struct etrax_interrupt_vector *etrax_irv;	/* head.S */
 
-void mask_irq(int irq);
-void unmask_irq(int irq);
+void crisv32_mask_irq(int irq);
+void crisv32_unmask_irq(int irq);
 
 void set_exception_vector(int n, irqvectptr addr);
 

arch/cris/include/asm/param.h

@@ -2,22 +2,9 @@
 #define _ASMCRIS_PARAM_H
 
 /* Currently we assume that HZ=100 is good for CRIS. */
-#ifdef __KERNEL__
-# define HZ		CONFIG_HZ	/* Internal kernel timer frequency */
-# define USER_HZ	100		/* .. some user interfaces are in "ticks" */
-# define CLOCKS_PER_SEC	(USER_HZ)	/* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
 
 #define EXEC_PAGESIZE	8192
 
-#ifndef NOGROUP
-#define NOGROUP		(-1)
-#endif
-
-#define MAXHOSTNAMELEN	64	/* max length of hostname */
+#include <asm-generic/param.h>
 
-#endif
+#endif /* _ASMCRIS_PARAM_H */