CRIS: v10: remove all BKL usage
authorJesper Nilsson <jesper.nilsson@axis.com>
Mon, 2 Aug 2010 11:46:12 +0000 (13:46 +0200)
committerJesper Nilsson <jesper.nilsson@axis.com>
Wed, 4 Aug 2010 10:59:28 +0000 (12:59 +0200)
We don't need to take the BKL here.
Also fixes compile error after last commit (smp_lock.h was not included)

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
arch/cris/arch-v10/drivers/i2c.c

index 54e2e1a..77a9418 100644 (file)
@@ -59,8 +59,8 @@ static const char i2c_name[] = "i2c";
 
 #define SDABIT CONFIG_ETRAX_I2C_DATA_PORT
 #define SCLBIT CONFIG_ETRAX_I2C_CLK_PORT
-#define i2c_enable() 
-#define i2c_disable() 
+#define i2c_enable()
+#define i2c_disable()
 
 /* enable or disable output-enable, to select output or input on the i2c bus */
 
@@ -90,7 +90,7 @@ static const char i2c_name[] = "i2c";
 
 #define i2c_dir_out() \
        *R_PORT_PB_I2C = (port_pb_i2c_shadow &= ~IO_MASK(R_PORT_PB_I2C, i2c_oe_)); \
-       REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 1); 
+       REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 1);
 #define i2c_dir_in() \
        *R_PORT_PB_I2C = (port_pb_i2c_shadow |= IO_MASK(R_PORT_PB_I2C, i2c_oe_)); \
        REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 0);
@@ -188,7 +188,7 @@ i2c_outbyte(unsigned char x)
                } else {
                        i2c_data(I2C_DATA_LOW);
                }
-               
+
                i2c_delay(CLOCK_LOW_TIME/2);
                i2c_clk(I2C_CLOCK_HIGH);
                i2c_delay(CLOCK_HIGH_TIME);
@@ -415,7 +415,7 @@ i2c_sendnack(void)
 *#
 *#--------------------------------------------------------------------------*/
 int
-i2c_writereg(unsigned char theSlave, unsigned char theReg, 
+i2c_writereg(unsigned char theSlave, unsigned char theReg,
             unsigned char theValue)
 {
        int error, cntr = 3;
@@ -467,7 +467,7 @@ i2c_writereg(unsigned char theSlave, unsigned char theReg,
                 * enable interrupt again
                 */
                local_irq_restore(flags);
-               
+
        } while(error && cntr--);
 
        i2c_delay(CLOCK_LOW_TIME);
@@ -503,7 +503,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
                 * generate start condition
                 */
                i2c_start();
-    
+
                /*
                 * send slave address
                 */
@@ -554,7 +554,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
                 * enable interrupt again
                 */
                local_irq_restore(flags);
-               
+
        } while(error && cntr--);
 
        spin_unlock(&i2c_lock);
@@ -577,8 +577,7 @@ 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_unlocked(struct file *file, unsigned int cmd, unsigned long arg)
+static long i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) {
                return -EINVAL;
@@ -587,7 +586,7 @@ i2c_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg)
        switch (_IOC_NR(cmd)) {
                case I2C_WRITEREG:
                        /* write to an i2c slave */
-                       D(printk("i2cw %d %d %d\n", 
+                       D(printk(KERN_DEBUG "i2cw %d %d %d\n",
                                 I2C_ARGSLAVE(arg),
                                 I2C_ARGREG(arg),
                                 I2C_ARGVALUE(arg)));
@@ -599,32 +598,20 @@ i2c_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg)
                {
                        unsigned char val;
                        /* read from an i2c slave */
-                       D(printk("i2cr %d %d ", 
+                       D(printk(KERN_DEBUG "i2cr %d %d ",
                                I2C_ARGSLAVE(arg),
                                I2C_ARGREG(arg)));
                        val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg));
-                       D(printk("= %d\n", val));
+                       D(printk(KERN_DEBUG "= %d\n", val));
                        return val;
-               }                                           
+               }
                default:
                        return -EINVAL;
 
        }
-       
        return 0;
 }
 
-static long i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-       long ret;
-
-       lock_kernel();
-       ret = i2c_ioctl_unlocked(file, cmd, arg);
-       unlock_kernel();
-
-       return ret;
-}
-
 static const struct file_operations i2c_fops = {
        .owner          = THIS_MODULE,
        .unlocked_ioctl = i2c_ioctl,