1 files changed, 21 insertions, 21 deletions

diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 2a16211f12e5..ebec91d71e1e 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -1,5 +1,5 @@
 /*
- *  i2c-algo-pca.c i2c driver algorithms for PCA9564 adapters                
+ *  i2c-algo-pca.c i2c driver algorithms for PCA9564 adapters
  *    Copyright (C) 2004 Arcom Control Systems
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -99,7 +99,7 @@ static void pca_stop(struct i2c_algo_pca_data *adap)
  *
  * returns after the address has been sent
  */
-static void pca_address(struct i2c_algo_pca_data *adap, 
+static void pca_address(struct i2c_algo_pca_data *adap,
                         struct i2c_msg *msg)
 {
         int sta = pca_get_con(adap);
@@ -108,9 +108,9 @@ static void pca_address(struct i2c_algo_pca_data *adap,
         addr = ( (0x7f & msg->addr) << 1 );
         if (msg->flags & I2C_M_RD )
                 addr |= 1;
-        DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n", 
+        DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n",
              msg->addr, msg->flags & I2C_M_RD ? 'R' : 'W', addr);
-        
+
         pca_outw(adap, I2C_PCA_DAT, addr);
 
         sta &= ~(I2C_PCA_CON_STO|I2C_PCA_CON_STA|I2C_PCA_CON_SI);
@@ -124,7 +124,7 @@ static void pca_address(struct i2c_algo_pca_data *adap,
  *
  * Returns after the byte has been transmitted
  */
-static void pca_tx_byte(struct i2c_algo_pca_data *adap, 
+static void pca_tx_byte(struct i2c_algo_pca_data *adap,
                         __u8 b)
 {
         int sta = pca_get_con(adap);
@@ -142,19 +142,19 @@ static void pca_tx_byte(struct i2c_algo_pca_data *adap,
  *
  * returns immediately.
  */
-static void pca_rx_byte(struct i2c_algo_pca_data *adap, 
+static void pca_rx_byte(struct i2c_algo_pca_data *adap,
                         __u8 *b, int ack)
 {
         *b = pca_inw(adap, I2C_PCA_DAT);
         DEB2("=== READ %#04x %s\n", *b, ack ? "ACK" : "NACK");
 }
 
-/* 
+/*
  * Setup ACK or NACK for next received byte and wait for it to arrive.
  *
  * Returns after next byte has arrived.
  */
-static void pca_rx_ack(struct i2c_algo_pca_data *adap, 
+static void pca_rx_ack(struct i2c_algo_pca_data *adap,
                        int ack)
 {
         int sta = pca_get_con(adap);
@@ -168,8 +168,8 @@ static void pca_rx_ack(struct i2c_algo_pca_data *adap,
         pca_wait(adap);
 }
 
-/* 
- * Reset the i2c bus / SIO 
+/*
+ * Reset the i2c bus / SIO
  */
 static void pca_reset(struct i2c_algo_pca_data *adap)
 {
@@ -203,14 +203,14 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
                 for (curmsg = 0; curmsg < num; curmsg++) {
                         int addr, i;
                         msg = &msgs[curmsg];
-                        
+
                         addr = (0x7f & msg->addr) ;
-                
+
                         if (msg->flags & I2C_M_RD )
-                                printk(KERN_INFO "    [%02d] RD %d bytes from %#02x [%#02x, ...]\n", 
+                                printk(KERN_INFO "    [%02d] RD %d bytes from %#02x [%#02x, ...]\n",
                                        curmsg, msg->len, addr, (addr<<1) | 1);
                         else {
-                                printk(KERN_INFO "    [%02d] WR %d bytes to %#02x [%#02x%s", 
+                                printk(KERN_INFO "    [%02d] WR %d bytes to %#02x [%#02x%s",
                                        curmsg, msg->len, addr, addr<<1,
                                        msg->len == 0 ? "" : ", ");
                                 for(i=0; i < msg->len; i++)
@@ -237,7 +237,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
                 case 0x10: /* A repeated start condition has been transmitted */
                         pca_address(adap, msg);
                         break;
-                        
+
                 case 0x18: /* SLA+W has been transmitted; ACK has been received */
                 case 0x28: /* Data byte in I2CDAT has been transmitted; ACK has been received */
                         if (numbytes < msg->len) {
@@ -287,7 +287,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
                 case 0x38: /* Arbitration lost during SLA+W, SLA+R or data bytes */
                         DEB2("Arbitration lost\n");
                         goto out;
-                        
+
                 case 0x58: /* Data byte has been received; NOT ACK has been returned */
                         if ( numbytes == msg->len - 1 ) {
                                 pca_rx_byte(adap, &msg->buf[numbytes], 0);
@@ -320,13 +320,13 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
                         printk(KERN_ERR DRIVER ": unhandled SIO state 0x%02x\n", state);
                         break;
                 }
-                
+
         }
 
         ret = curmsg;
  out:
         DEB1(KERN_CRIT "}}} transfered %d/%d messages. "
-             "status is %#04x. control is %#04x\n", 
+             "status is %#04x. control is %#04x\n",
              curmsg, num, pca_status(adap),
              pca_get_con(adap));
         return ret;
@@ -350,7 +350,7 @@ static int pca_init(struct i2c_algo_pca_data *adap)
         pca_outw(adap, I2C_PCA_ADR, own << 1);
 
         pca_set_con(adap, I2C_PCA_CON_ENSIO | clock);
-        udelay(500); /* 500 µs for oscilator to stabilise */
+        udelay(500); /* 500 us for oscilator to stabilise */
 
         return 0;
 }
@@ -360,8 +360,8 @@ static const struct i2c_algorithm pca_algo = {
         .functionality  = pca_func,
 };
 
-/* 
- * registering functions to load algorithms at runtime 
+/*
+ * registering functions to load algorithms at runtime
  */
 int i2c_pca_add_bus(struct i2c_adapter *adap)
 {