mv643xx_eth: kill superfluous comments

Half of the functions in the mv643xx_eth driver are prefixed by
useless and baroque comment blocks on _what_ those functions do (which
is obvious from the code itself) rather than why, and there's no point
in keeping those comments around.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Dale Farnsworth <dale@farnsworth.org>

1 files changed, 0 insertions, 552 deletions

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 80482cac173d..63e0d0fff951 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -445,26 +445,6 @@ static unsigned int mv643xx_eth_port_disable_tx(struct mv643xx_eth_private *mp)
 /* rx ***********************************************************************/
 static void mv643xx_eth_free_completed_tx_descs(struct net_device *dev);
 
-/*
- * rx_return_buff - Returns a Rx buffer back to the Rx ring.
- *
- * DESCRIPTION:
- *      This routine returns a Rx buffer back to the Rx ring. It retrieves the
- *      next 'used' descriptor and attached the returned buffer to it.
- *      In case the Rx ring was in "resource error" condition, where there are
- *      no available Rx resources, the function resets the resource error flag.
- *
- * INPUT:
- *      struct mv643xx_eth_private      *mp             Ethernet Port Control srtuct.
- *      struct pkt_info         *p_pkt_info     Information on returned buffer.
- *
- * OUTPUT:
- *      New available Rx resource in Rx descriptor ring.
- *
- * RETURN:
- *      ETH_ERROR in case the routine can not access Rx desc ring.
- *      ETH_OK otherwise.
- */
 static FUNC_RET_STATUS rx_return_buff(struct mv643xx_eth_private *mp,
                                                 struct pkt_info *p_pkt_info)
 {
@@ -500,14 +480,6 @@ static FUNC_RET_STATUS rx_return_buff(struct mv643xx_eth_private *mp,
         return ETH_OK;
 }
 
-/*
- * mv643xx_eth_rx_refill_descs
- *
- * Fills / refills RX queue on a certain gigabit ethernet port
- *
- * Input :      pointer to ethernet interface network device structure
- * Output :     N/A
- */
 static void mv643xx_eth_rx_refill_descs(struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -546,44 +518,11 @@ static void mv643xx_eth_rx_refill_descs(struct net_device *dev)
         }
 }
 
-/*
- * mv643xx_eth_rx_refill_descs_timer_wrapper
- *
- * Timer routine to wake up RX queue filling task. This function is
- * used only in case the RX queue is empty, and all alloc_skb has
- * failed (due to out of memory event).
- *
- * Input :      pointer to ethernet interface network device structure
- * Output :     N/A
- */
 static inline void mv643xx_eth_rx_refill_descs_timer_wrapper(unsigned long data)
 {
         mv643xx_eth_rx_refill_descs((struct net_device *)data);
 }
 
-/*
- * port_receive - Get received information from Rx ring.
- *
- * DESCRIPTION:
- *      This routine returns the received data to the caller. There is no
- *      data copying during routine operation. All information is returned
- *      using pointer to packet information struct passed from the caller.
- *      If the routine exhausts Rx ring resources then the resource error flag
- *      is set.
- *
- * INPUT:
- *      struct mv643xx_eth_private      *mp             Ethernet Port Control srtuct.
- *      struct pkt_info         *p_pkt_info     User packet buffer.
- *
- * OUTPUT:
- *      Rx ring current and used indexes are updated.
- *
- * RETURN:
- *      ETH_ERROR in case the routine can not access Rx desc ring.
- *      ETH_QUEUE_FULL if Rx ring resources are exhausted.
- *      ETH_END_OF_JOB if there is no received data.
- *      ETH_OK otherwise.
- */
 static FUNC_RET_STATUS port_receive(struct mv643xx_eth_private *mp,
                                                 struct pkt_info *p_pkt_info)
 {
@@ -639,17 +578,6 @@ static FUNC_RET_STATUS port_receive(struct mv643xx_eth_private *mp,
         return ETH_OK;
 }
 
-/*
- * mv643xx_eth_receive
- *
- * This function is forward packets that are received from the port's
- * queues toward kernel core or FastRoute them to another interface.
- *
- * Input :      dev - a pointer to the required interface
- *              max - maximum number to receive (0 means unlimted)
- *
- * Output :     number of served packets
- */
 static int mv643xx_eth_receive_queue(struct net_device *dev, int budget)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -719,11 +647,6 @@ static int mv643xx_eth_receive_queue(struct net_device *dev, int budget)
 }
 
 #ifdef MV643XX_ETH_NAPI
-/*
- * mv643xx_eth_poll
- *
- * This function is used in case of NAPI
- */
 static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
 {
         struct mv643xx_eth_private *mp = container_of(napi, struct mv643xx_eth_private, napi);
@@ -756,13 +679,6 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
 
 
 /* tx ***********************************************************************/
-/**
- * has_tiny_unaligned_frags - check if skb has any small, unaligned fragments
- *
- * Hardware can't handle unaligned fragments smaller than 9 bytes.
- * This helper function detects that case.
- */
-
 static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
 {
         unsigned int frag;
@@ -776,9 +692,6 @@ static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
         return 0;
 }
 
-/**
- * alloc_tx_desc_index - return the index of the next available tx desc
- */
 static int alloc_tx_desc_index(struct mv643xx_eth_private *mp)
 {
         int tx_desc_curr;
@@ -793,12 +706,6 @@ static int alloc_tx_desc_index(struct mv643xx_eth_private *mp)
         return tx_desc_curr;
 }
 
-/**
- * tx_fill_frag_descs - fill tx hw descriptors for an skb's fragments.
- *
- * Ensure the data for each fragment to be transmitted is mapped properly,
- * then fill in descriptors in the tx hw queue.
- */
 static void tx_fill_frag_descs(struct mv643xx_eth_private *mp,
                                    struct sk_buff *skb)
 {
@@ -837,12 +744,6 @@ static inline __be16 sum16_as_be(__sum16 sum)
         return (__force __be16)sum;
 }
 
-/**
- * tx_submit_descs_for_skb - submit data from an skb to the tx hw
- *
- * Ensure the data for an skb to be transmitted is mapped properly,
- * then fill in descriptors in the tx hw queue and start the hardware.
- */
 static void tx_submit_descs_for_skb(struct mv643xx_eth_private *mp,
                                         struct sk_buff *skb)
 {
@@ -906,10 +807,6 @@ static void tx_submit_descs_for_skb(struct mv643xx_eth_private *mp,
         mp->tx_desc_count += nr_frags + 1;
 }
 
-/**
- * mv643xx_eth_start_xmit - queue an skb to the hardware for transmission
- *
- */
 static int mv643xx_eth_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -951,26 +848,6 @@ static int mv643xx_eth_start_xmit(struct sk_buff *skb, struct net_device *dev)
 /* mii management interface *************************************************/
 static int phy_addr_get(struct mv643xx_eth_private *mp);
 
-/*
- * read_smi_reg - Read PHY registers
- *
- * DESCRIPTION:
- *      This routine utilize the SMI interface to interact with the PHY in
- *      order to perform PHY register read.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *      unsigned int    phy_reg         PHY register address offset.
- *      unsigned int    *value          Register value buffer.
- *
- * OUTPUT:
- *      Write the value of a specified PHY register into given buffer.
- *
- * RETURN:
- *      false if the PHY is busy or read data is not in valid state.
- *      true otherwise.
- *
- */
 static void read_smi_reg(struct mv643xx_eth_private *mp,
                                 unsigned int phy_reg, unsigned int *value)
 {
@@ -1007,26 +884,6 @@ out:
         spin_unlock_irqrestore(&mp->shared_smi->phy_lock, flags);
 }
 
-/*
- * write_smi_reg - Write to PHY registers
- *
- * DESCRIPTION:
- *      This routine utilize the SMI interface to interact with the PHY in
- *      order to perform writes to PHY registers.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *      unsigned int    phy_reg         PHY register address offset.
- *      unsigned int    value           Register value.
- *
- * OUTPUT:
- *      Write the given value to the specified PHY register.
- *
- * RETURN:
- *      false if the PHY is busy.
- *      true otherwise.
- *
- */
 static void write_smi_reg(struct mv643xx_eth_private *mp,
                                    unsigned int phy_reg, unsigned int value)
 {
@@ -1055,23 +912,6 @@ out:
 
 
 /* mib counters *************************************************************/
-/*
- * clear_mib_counters - Clear all MIB counters
- *
- * DESCRIPTION:
- *      This function clears all MIB counters of a specific ethernet port.
- *      A read from the MIB counter will reset the counter.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *
- * OUTPUT:
- *      After reading all MIB counters, the counters resets.
- *
- * RETURN:
- *      MIB counter value.
- *
- */
 static void clear_mib_counters(struct mv643xx_eth_private *mp)
 {
         unsigned int port_num = mp->port_num;
@@ -1286,9 +1126,6 @@ static const struct ethtool_ops mv643xx_eth_ethtool_ops = {
 
 
 /* address handling *********************************************************/
-/*
- * uc_addr_get - Read the MAC address from the port's hw registers
- */
 static void uc_addr_get(struct mv643xx_eth_private *mp, unsigned char *p_addr)
 {
         unsigned int port_num = mp->port_num;
@@ -1306,22 +1143,6 @@ static void uc_addr_get(struct mv643xx_eth_private *mp, unsigned char *p_addr)
         p_addr[5] = mac_l & 0xff;
 }
 
-/*
- * init_mac_tables - Clear all entrance in the UC, SMC and OMC tables
- *
- * DESCRIPTION:
- *      Go through all the DA filter tables (Unicast, Special Multicast &
- *      Other Multicast) and set each entry to 0.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *
- * OUTPUT:
- *      Multicast and Unicast packets are rejected.
- *
- * RETURN:
- *      None.
- */
 static void init_mac_tables(struct mv643xx_eth_private *mp)
 {
         unsigned int port_num = mp->port_num;
@@ -1339,15 +1160,6 @@ static void init_mac_tables(struct mv643xx_eth_private *mp)
         }
 }
 
-/*
- * The entries in each table are indexed by a hash of a packet's MAC
- * address.  One bit in each entry determines whether the packet is
- * accepted.  There are 4 entries (each 8 bits wide) in each register
- * of the table.  The bits in each entry are defined as follows:
- *      0       Accept=1, Drop=0
- *      3-1     Queue                   (ETH_Q0=0)
- *      7-4     Reserved = 0;
- */
 static void set_filter_table_entry(struct mv643xx_eth_private *mp,
                                             int table, unsigned char entry)
 {
@@ -1364,9 +1176,6 @@ static void set_filter_table_entry(struct mv643xx_eth_private *mp,
         wrl(mp, table + tbl_offset, table_reg);
 }
 
-/*
- * uc_addr_set - Write a MAC address into the port's hw registers
- */
 static void uc_addr_set(struct mv643xx_eth_private *mp, unsigned char *p_addr)
 {
         unsigned int port_num = mp->port_num;
@@ -1386,14 +1195,6 @@ static void uc_addr_set(struct mv643xx_eth_private *mp, unsigned char *p_addr)
         set_filter_table_entry(mp, table, p_addr[5] & 0x0f);
 }
 
-/*
- * mv643xx_eth_update_mac_address
- *
- * Update the MAC address of the port in the address table
- *
- * Input :      pointer to ethernet interface network device structure
- * Output :     N/A
- */
 static void mv643xx_eth_update_mac_address(struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -1402,17 +1203,6 @@ static void mv643xx_eth_update_mac_address(struct net_device *dev)
         uc_addr_set(mp, dev->dev_addr);
 }
 
-/*
- * mv643xx_eth_set_mac_address
- *
- * Change the interface's mac address.
- * No special hardware thing should be done because interface is always
- * put in promiscuous mode.
- *
- * Input :      pointer to ethernet interface network device structure and
- *              a pointer to the designated entry to be added to the cache.
- * Output :     zero upon success, negative upon failure
- */
 static int mv643xx_eth_set_mac_address(struct net_device *dev, void *addr)
 {
         int i;
@@ -1424,20 +1214,6 @@ static int mv643xx_eth_set_mac_address(struct net_device *dev, void *addr)
         return 0;
 }
 
-/*
- * mc_addr - Multicast address settings.
- *
- * The MV device supports multicast using two tables:
- * 1) Special Multicast Table for MAC addresses of the form
- *    0x01-00-5E-00-00-XX (where XX is between 0x00 and 0x_FF).
- *    The MAC DA[7:0] bits are used as a pointer to the Special Multicast
- *    Table entries in the DA-Filter table.
- * 2) Other Multicast Table for multicast of another type. A CRC-8bit
- *    is used as an index to the Other Multicast Table entries in the
- *    DA-Filter table.  This function calculates the CRC-8bit value.
- * In either case, set_filter_table_entry() is then called
- * to set to set the actual table entry.
- */
 static void mc_addr(struct mv643xx_eth_private *mp, unsigned char *p_addr)
 {
         unsigned int port_num = mp->port_num;
@@ -1528,9 +1304,6 @@ static void mc_addr(struct mv643xx_eth_private *mp, unsigned char *p_addr)
         set_filter_table_entry(mp, table, crc_result);
 }
 
-/*
- * Set the entire multicast list based on dev->mc_list.
- */
 static void set_multicast_list(struct net_device *dev)
 {
 
@@ -1588,14 +1361,6 @@ static void set_multicast_list(struct net_device *dev)
                         mc_addr(mp, mc_list->dmi_addr);
 }
 
-/*
- * mv643xx_eth_set_rx_mode
- *
- * Change from promiscuos to regular rx mode
- *
- * Input :      pointer to ethernet interface network device structure
- * Output :     N/A
- */
 static void mv643xx_eth_set_rx_mode(struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -1613,28 +1378,6 @@ static void mv643xx_eth_set_rx_mode(struct net_device *dev)
 
 
 /* rx/tx queue initialisation ***********************************************/
-/*
- * ether_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory.
- *
- * DESCRIPTION:
- *      This function prepares a Rx chained list of descriptors and packet
- *      buffers in a form of a ring. The routine must be called after port
- *      initialization routine and before port start routine.
- *      The Ethernet SDMA engine uses CPU bus addresses to access the various
- *      devices in the system (i.e. DRAM). This function uses the ethernet
- *      struct 'virtual to physical' routine (set by the user) to set the ring
- *      with physical addresses.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port Control srtuct.
- *
- * OUTPUT:
- *      The routine updates the Ethernet port control struct with information
- *      regarding the Rx descriptors and buffers.
- *
- * RETURN:
- *      None.
- */
 static void ether_init_rx_desc_ring(struct mv643xx_eth_private *mp)
 {
         volatile struct rx_desc *p_rx_desc;
@@ -1684,28 +1427,6 @@ static void mv643xx_eth_free_rx_rings(struct net_device *dev)
                                 mp->p_rx_desc_area, mp->rx_desc_dma);
 }
 
-/*
- * ether_init_tx_desc_ring - Curve a Tx chain desc list and buffer in memory.
- *
- * DESCRIPTION:
- *      This function prepares a Tx chained list of descriptors and packet
- *      buffers in a form of a ring. The routine must be called after port
- *      initialization routine and before port start routine.
- *      The Ethernet SDMA engine uses CPU bus addresses to access the various
- *      devices in the system (i.e. DRAM). This function uses the ethernet
- *      struct 'virtual to physical' routine (set by the user) to set the ring
- *      with physical addresses.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port Control srtuct.
- *
- * OUTPUT:
- *      The routine updates the Ethernet port control struct with information
- *      regarding the Tx descriptors and buffers.
- *
- * RETURN:
- *      None.
- */
 static void ether_init_tx_desc_ring(struct mv643xx_eth_private *mp)
 {
         int tx_desc_num = mp->tx_ring_size;
@@ -1725,11 +1446,6 @@ static void ether_init_tx_desc_ring(struct mv643xx_eth_private *mp)
         mp->tx_desc_area_size = tx_desc_num * sizeof(struct tx_desc);
 }
 
-/**
- * mv643xx_eth_free_tx_descs - Free the tx desc data for completed descriptors
- *
- * If force is non-zero, frees uncompleted descriptors as well
- */
 static int mv643xx_eth_free_tx_descs(struct net_device *dev, int force)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -1828,7 +1544,6 @@ static void mv643xx_eth_free_tx_rings(struct net_device *dev)
 /* netdev ops and related ***************************************************/
 static void port_reset(struct mv643xx_eth_private *mp);
 
-/* Set the mv643xx port configuration register for the speed/duplex mode. */
 static void mv643xx_eth_update_pscr(struct net_device *dev,
                                     struct ethtool_cmd *ecmd)
 {
@@ -1874,17 +1589,6 @@ static void mv643xx_eth_update_pscr(struct net_device *dev,
         }
 }
 
-/*
- * mv643xx_eth_int_handler
- *
- * Main interrupt handler for the gigbit ethernet ports
- *
- * Input :      irq     - irq number (not used)
- *              dev_id  - a pointer to the required interface's data structure
- *              regs    - not used
- * Output :     N/A
- */
-
 static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id)
 {
         struct net_device *dev = (struct net_device *)dev_id;
@@ -1947,22 +1651,6 @@ static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-/*
- * phy_reset - Reset Ethernet port PHY.
- *
- * DESCRIPTION:
- *      This routine utilizes the SMI interface to reset the ethernet port PHY.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *
- * OUTPUT:
- *      The PHY is reset.
- *
- * RETURN:
- *      None.
- *
- */
 static void phy_reset(struct mv643xx_eth_private *mp)
 {
         unsigned int phy_reg_data;
@@ -1979,33 +1667,6 @@ static void phy_reset(struct mv643xx_eth_private *mp)
         } while (phy_reg_data & 0x8000);
 }
 
-/*
- * port_start - Start the Ethernet port activity.
- *
- * DESCRIPTION:
- *      This routine prepares the Ethernet port for Rx and Tx activity:
- *       1. Initialize Tx and Rx Current Descriptor Pointer for each queue that
- *          has been initialized a descriptor's ring (using
- *          ether_init_tx_desc_ring for Tx and ether_init_rx_desc_ring for Rx)
- *       2. Initialize and enable the Ethernet configuration port by writing to
- *          the port's configuration and command registers.
- *       3. Initialize and enable the SDMA by writing to the SDMA's
- *          configuration and command registers.  After completing these steps,
- *          the ethernet port SDMA can starts to perform Rx and Tx activities.
- *
- *      Note: Each Rx and Tx queue descriptor's list must be initialized prior
- *      to calling this function (use ether_init_tx_desc_ring for Tx queues
- *      and ether_init_rx_desc_ring for Rx queues).
- *
- * INPUT:
- *      dev - a pointer to the required interface
- *
- * OUTPUT:
- *      Ethernet port is ready to receive and transmit.
- *
- * RETURN:
- *      None.
- */
 static void port_start(struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -2070,29 +1731,6 @@ static void port_start(struct net_device *dev)
 }
 
 #ifdef MV643XX_ETH_COAL
-
-/*
- * set_rx_coal - Sets coalescing interrupt mechanism on RX path
- *
- * DESCRIPTION:
- *      This routine sets the RX coalescing interrupt mechanism parameter.
- *      This parameter is a timeout counter, that counts in 64 t_clk
- *      chunks ; that when timeout event occurs a maskable interrupt
- *      occurs.
- *      The parameter is calculated using the tClk of the MV-643xx chip
- *      , and the required delay of the interrupt in usec.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet port
- *      unsigned int delay              Delay in usec
- *
- * OUTPUT:
- *      Interrupt coalescing mechanism value is set in MV-643xx chip.
- *
- * RETURN:
- *      The interrupt coalescing value set in the gigE port.
- *
- */
 static unsigned int set_rx_coal(struct mv643xx_eth_private *mp,
                                         unsigned int delay)
 {
@@ -2109,28 +1747,6 @@ static unsigned int set_rx_coal(struct mv643xx_eth_private *mp,
 }
 #endif
 
-/*
- * set_tx_coal - Sets coalescing interrupt mechanism on TX path
- *
- * DESCRIPTION:
- *      This routine sets the TX coalescing interrupt mechanism parameter.
- *      This parameter is a timeout counter, that counts in 64 t_clk
- *      chunks ; that when timeout event occurs a maskable interrupt
- *      occurs.
- *      The parameter is calculated using the t_cLK frequency of the
- *      MV-643xx chip and the required delay in the interrupt in uSec
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet port
- *      unsigned int delay              Delay in uSeconds
- *
- * OUTPUT:
- *      Interrupt coalescing mechanism value is set in MV-643xx chip.
- *
- * RETURN:
- *      The interrupt coalescing value set in the gigE port.
- *
- */
 static unsigned int set_tx_coal(struct mv643xx_eth_private *mp,
                                         unsigned int delay)
 {
@@ -2142,30 +1758,6 @@ static unsigned int set_tx_coal(struct mv643xx_eth_private *mp,
         return coal;
 }
 
-/*
- * port_init - Initialize the Ethernet port driver
- *
- * DESCRIPTION:
- *      This function prepares the ethernet port to start its activity:
- *      1) Completes the ethernet port driver struct initialization toward port
- *              start routine.
- *      2) Resets the device to a quiescent state in case of warm reboot.
- *      3) Enable SDMA access to all four DRAM banks as well as internal SRAM.
- *      4) Clean MAC tables. The reset status of those tables is unknown.
- *      5) Set PHY address.
- *      Note: Call this routine prior to port_start routine and after
- *      setting user values in the user fields of Ethernet port control
- *      struct.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet port control struct
- *
- * OUTPUT:
- *      See description.
- *
- * RETURN:
- *      None.
- */
 static void port_init(struct mv643xx_eth_private *mp)
 {
         mp->rx_resource_err = 0;
@@ -2175,19 +1767,6 @@ static void port_init(struct mv643xx_eth_private *mp)
         init_mac_tables(mp);
 }
 
-/*
- * mv643xx_eth_open
- *
- * This function is called when openning the network device. The function
- * should initialize all the hardware, initialize cyclic Rx/Tx
- * descriptors chain and buffers and allocate an IRQ to the network
- * device.
- *
- * Input :      a pointer to the network device structure
- *
- * Output :     zero of success , nonzero if fails.
- */
-
 static int mv643xx_eth_open(struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -2320,24 +1899,6 @@ out_free_irq:
         return err;
 }
 
-/*
- * port_reset - Reset Ethernet port
- *
- * DESCRIPTION:
- *      This routine resets the chip by aborting any SDMA engine activity and
- *      clearing the MIB counters. The Receiver and the Transmit unit are in
- *      idle state after this command is performed and the port is disabled.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *
- * OUTPUT:
- *      Channel activity is halted.
- *
- * RETURN:
- *      None.
- *
- */
 static void port_reset(struct mv643xx_eth_private *mp)
 {
         unsigned int port_num = mp->port_num;
@@ -2357,16 +1918,6 @@ static void port_reset(struct mv643xx_eth_private *mp)
         wrl(mp, PORT_SERIAL_CONTROL(port_num), reg_data);
 }
 
-/*
- * mv643xx_eth_stop
- *
- * This function is used when closing the network device.
- * It updates the hardware,
- * release all memory that holds buffers and descriptors and release the IRQ.
- * Input :      a pointer to the device structure
- * Output :     zero if success , nonzero if fails
- */
-
 static int mv643xx_eth_stop(struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -2400,13 +1951,6 @@ static int mv643xx_eth_do_ioctl(struct net_device *dev, struct ifreq *ifr, int c
         return generic_mii_ioctl(&mp->mii, if_mii(ifr), cmd, NULL);
 }
 
-/*
- * Changes MTU (maximum transfer unit) of the gigabit ethenret port
- *
- * Input :      pointer to ethernet interface network device structure
- *              new mtu size
- * Output :     0 upon success, -EINVAL upon failure
- */
 static int mv643xx_eth_change_mtu(struct net_device *dev, int new_mtu)
 {
         if ((new_mtu > 9500) || (new_mtu < 64))
@@ -2431,11 +1975,6 @@ static int mv643xx_eth_change_mtu(struct net_device *dev, int new_mtu)
         return 0;
 }
 
-/*
- * mv643xx_eth_tx_timeout_task
- *
- * Actual routine to reset the adapter when a timeout on Tx has occurred
- */
 static void mv643xx_eth_tx_timeout_task(struct work_struct *ugly)
 {
         struct mv643xx_eth_private *mp = container_of(ugly, struct mv643xx_eth_private,
@@ -2454,14 +1993,6 @@ static void mv643xx_eth_tx_timeout_task(struct work_struct *ugly)
                 netif_wake_queue(dev);
 }
 
-/*
- * mv643xx_eth_tx_timeout
- *
- * Called upon a timeout on transmitting a packet
- *
- * Input :      pointer to ethernet interface network device structure.
- * Output :     N/A
- */
 static void mv643xx_eth_tx_timeout(struct net_device *dev)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -2488,9 +2019,6 @@ static void mv643xx_eth_netpoll(struct net_device *netdev)
 }
 #endif
 
-/*
- * Wrappers for MII support library.
- */
 static int mv643xx_eth_mdio_read(struct net_device *dev, int phy_id, int location)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
@@ -2607,23 +2135,6 @@ static struct platform_driver mv643xx_eth_shared_driver = {
         },
 };
 
-/*
- * phy_addr_set - Set the ethernet port PHY address.
- *
- * DESCRIPTION:
- *      This routine sets the given ethernet port PHY address.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *      int             phy_addr        PHY address.
- *
- * OUTPUT:
- *      None.
- *
- * RETURN:
- *      None.
- *
- */
 static void phy_addr_set(struct mv643xx_eth_private *mp, int phy_addr)
 {
         u32 reg_data;
@@ -2635,22 +2146,6 @@ static void phy_addr_set(struct mv643xx_eth_private *mp, int phy_addr)
         wrl(mp, PHY_ADDR, reg_data);
 }
 
-/*
- * phy_addr_get - Get the ethernet port PHY address.
- *
- * DESCRIPTION:
- *      This routine returns the given ethernet port PHY address.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *
- * OUTPUT:
- *      None.
- *
- * RETURN:
- *      PHY address.
- *
- */
 static int phy_addr_get(struct mv643xx_eth_private *mp)
 {
         unsigned int reg_data;
@@ -2660,24 +2155,6 @@ static int phy_addr_get(struct mv643xx_eth_private *mp)
         return ((reg_data >> (5 * mp->port_num)) & 0x1f);
 }
 
-/*
- * phy_detect - Detect whether a phy is present
- *
- * DESCRIPTION:
- *      This function tests whether there is a PHY present on
- *      the specified port.
- *
- * INPUT:
- *      struct mv643xx_eth_private *mp  Ethernet Port.
- *
- * OUTPUT:
- *      None
- *
- * RETURN:
- *      0 on success
- *      -ENODEV on failure
- *
- */
 static int phy_detect(struct mv643xx_eth_private *mp)
 {
         unsigned int phy_reg_data0;
@@ -2726,17 +2203,6 @@ static void mv643xx_init_ethtool_cmd(struct net_device *dev, int phy_address,
         }
 }
 
-/*/
- * mv643xx_eth_probe
- *
- * First function called after registering the network device.
- * It's purpose is to initialize the device as an ethernet device,
- * fill the ethernet device structure with pointers * to functions,
- * and set the MAC address of the interface
- *
- * Input :      struct device *
- * Output :     -ENOMEM if failed , 0 if success
- */
 static int mv643xx_eth_probe(struct platform_device *pdev)
 {
         struct mv643xx_eth_platform_data *pd;
@@ -2949,15 +2415,6 @@ static struct platform_driver mv643xx_eth_driver = {
         },
 };
 
-/*
- * mv643xx_eth_init_module
- *
- * Registers the network drivers into the Linux kernel
- *
- * Input :      N/A
- *
- * Output :     N/A
- */
 static int __init mv643xx_eth_init_module(void)
 {
         int rc;
@@ -2971,15 +2428,6 @@ static int __init mv643xx_eth_init_module(void)
         return rc;
 }
 
-/*
- * mv643xx_eth_cleanup_module
- *
- * Registers the network drivers into the Linux kernel
- *
- * Input :      N/A
- *
- * Output :     N/A
- */
 static void __exit mv643xx_eth_cleanup_module(void)
 {
         platform_driver_unregister(&mv643xx_eth_driver);