Merge branch 'upstream-davem' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

1 files changed, 13 insertions, 37 deletions

diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index 16f35fadb74b..95f75a43c9f9 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -589,9 +589,6 @@ static s32 e1000_set_default_fc_generic(struct e1000_hw *hw)
         s32 ret_val;
         u16 nvm_data;
 
-        if (mac->fc != e1000_fc_default)
-                return 0;
-
         /* Read and store word 0x0F of the EEPROM. This word contains bits
          * that determine the hardware's default PAUSE (flow control) mode,
          * a bit that determines whether the HW defaults to enabling or
@@ -1107,34 +1104,13 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
                          (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
                         mac->fc = e1000_fc_rx_pause;
                         hw_dbg(hw, "Flow Control = RX PAUSE frames only.\r\n");
-                }
-                /* Per the IEEE spec, at this point flow control should be
-                 * disabled.  However, we want to consider that we could
-                 * be connected to a legacy switch that doesn't advertise
-                 * desired flow control, but can be forced on the link
-                 * partner.  So if we advertised no flow control, that is
-                 * what we will resolve to.  If we advertised some kind of
-                 * receive capability (Rx Pause Only or Full Flow Control)
-                 * and the link partner advertised none, we will configure
-                 * ourselves to enable Rx Flow Control only.  We can do
-                 * this safely for two reasons:  If the link partner really
-                 * didn't want flow control enabled, and we enable Rx, no
-                 * harm done since we won't be receiving any PAUSE frames
-                 * anyway.  If the intent on the link partner was to have
-                 * flow control enabled, then by us enabling RX only, we
-                 * can at least receive pause frames and process them.
-                 * This is a good idea because in most cases, since we are
-                 * predominantly a server NIC, more times than not we will
-                 * be asked to delay transmission of packets than asking
-                 * our link partner to pause transmission of frames.
-                 */
-                else if ((mac->original_fc == e1000_fc_none) ||
-                         (mac->original_fc == e1000_fc_tx_pause)) {
+                } else {
+                        /*
+                         * Per the IEEE spec, at this point flow control
+                         * should be disabled.
+                         */
                         mac->fc = e1000_fc_none;
                         hw_dbg(hw, "Flow Control = NONE.\r\n");
-                } else {
-                        mac->fc = e1000_fc_rx_pause;
-                        hw_dbg(hw, "Flow Control = RX PAUSE frames only.\r\n");
                 }
 
                 /* Now we need to do one last check...  If we auto-
@@ -1164,7 +1140,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 }
 
 /**
- *  e1000e_get_speed_and_duplex_copper - Retreive current speed/duplex
+ *  e1000e_get_speed_and_duplex_copper - Retrieve current speed/duplex
  *  @hw: pointer to the HW structure
  *  @speed: stores the current speed
  *  @duplex: stores the current duplex
@@ -1200,7 +1176,7 @@ s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *dup
 }
 
 /**
- *  e1000e_get_speed_and_duplex_fiber_serdes - Retreive current speed/duplex
+ *  e1000e_get_speed_and_duplex_fiber_serdes - Retrieve current speed/duplex
  *  @hw: pointer to the HW structure
  *  @speed: stores the current speed
  *  @duplex: stores the current duplex
@@ -1410,7 +1386,7 @@ s32 e1000e_cleanup_led_generic(struct e1000_hw *hw)
  *  e1000e_blink_led - Blink LED
  *  @hw: pointer to the HW structure
  *
- *  Blink the led's which are set to be on.
+ *  Blink the LEDs which are set to be on.
  **/
 s32 e1000e_blink_led(struct e1000_hw *hw)
 {
@@ -1515,7 +1491,7 @@ void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop)
  *  @hw: pointer to the HW structure
  *
  *  Returns 0 if successful, else returns -10
- *  (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not casued
+ *  (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused
  *  the master requests to be disabled.
  *
  *  Disables PCI-Express master access and verifies there are no pending
@@ -1876,7 +1852,7 @@ static s32 e1000_ready_nvm_eeprom(struct e1000_hw *hw)
 }
 
 /**
- *  e1000e_read_nvm_spi - Read EEPROM's using SPI
+ *  e1000e_read_nvm_spi - Reads EEPROM using SPI
  *  @hw: pointer to the HW structure
  *  @offset: offset of word in the EEPROM to read
  *  @words: number of words to read
@@ -1980,7 +1956,7 @@ s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
  *  Writes data to EEPROM at offset using SPI interface.
  *
  *  If e1000e_update_nvm_checksum is not called after this function , the
- *  EEPROM will most likley contain an invalid checksum.
+ *  EEPROM will most likely contain an invalid checksum.
  **/
 s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 {
@@ -2222,7 +2198,7 @@ static u8 e1000_calculate_checksum(u8 *buffer, u32 length)
  *
  *  Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
  *
- *  This function checks whether the HOST IF is enabled for command operaton
+ *  This function checks whether the HOST IF is enabled for command operation
  *  and also checks whether the previous command is completed.  It busy waits
  *  in case of previous command is not completed.
  **/
@@ -2254,7 +2230,7 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
 }
 
 /**
- *  e1000e_check_mng_mode - check managament mode
+ *  e1000e_check_mng_mode - check management mode
  *  @hw: pointer to the HW structure
  *
  *  Reads the firmware semaphore register and returns true (>0) if