6 files changed, 41 insertions, 40 deletions

diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index b9e328e..a2dd740 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/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
diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c
index 5068263..2fd6a74 100644
--- a/arch/cris/arch-v32/drivers/i2c.c
+++ b/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;
 		}
@@ -688,10 +694,10 @@ i2c_ioctl(struct inode *inode, struct file *file,
 }
 
 static const struct file_operations i2c_fops = {
-	.owner =    THIS_MODULE,
-	.ioctl =    i2c_ioctl,
-	.open =     i2c_open,
-	.release =  i2c_release,
+	.owner		= THIS_MODULE,
+	.unlocked_ioctl = i2c_ioctl,
+	.open		= i2c_open,
+	.release	= i2c_release,
 };
 
 static int __init i2c_init(void)
diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c
index f447850..bef6eb5 100644
--- a/arch/cris/arch-v32/drivers/pcf8563.c
+++ b/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.
@@ -57,8 +58,8 @@ int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
 static int voltage_low;
 
 static const struct file_operations pcf8563_fops = {
-	.owner =	THIS_MODULE,
-	.ioctl =	pcf8563_ioctl
+	.owner		= THIS_MODULE,
+	.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) {
diff --git a/arch/cris/arch-v32/kernel/crisksyms.c b/arch/cris/arch-v32/kernel/crisksyms.c
index 64933e2..bde8d1a 100644
--- a/arch/cris/arch-v32/kernel/crisksyms.c
+++ b/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);
diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c
index b624119..0b1febe 100644
--- a/arch/cris/arch-v32/kernel/irq.c
+++ b/arch/cris/arch-v32/kernel/irq.c
@@ -280,8 +280,7 @@ out:
 	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)
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index 058addd..84fed3b 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/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();