From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom
---
kernel/drivers/tty/synclink.c | 491 ++++++++++++++++-------------------------------------
1 files changed, 151 insertions(+), 340 deletions(-)
diff --git a/kernel/drivers/tty/synclink.c b/kernel/drivers/tty/synclink.c
index fbdf4d0..c8324d5 100644
--- a/kernel/drivers/tty/synclink.c
+++ b/kernel/drivers/tty/synclink.c
@@ -252,7 +252,6 @@
char device_name[25]; /* device instance name */
- unsigned int bus_type; /* expansion bus type (ISA,EISA,PCI) */
unsigned char bus; /* expansion bus number (zero based) */
unsigned char function; /* PCI device number */
@@ -943,7 +942,7 @@
return 0;
}
-/**
+/*
* line discipline callback wrappers
*
* The wrappers maintain line discipline references
@@ -2959,8 +2958,7 @@
if (mgsl_paranoia_check(info, tty->name, "mgsl_ioctl"))
return -ENODEV;
- if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
- (cmd != TIOCMIWAIT)) {
+ if (cmd != TIOCMIWAIT) {
if (tty_io_error(tty))
return -EIO;
}
@@ -3433,15 +3431,9 @@
char stat_buf[30];
unsigned long flags;
- if (info->bus_type == MGSL_BUS_TYPE_PCI) {
- seq_printf(m, "%s:PCI io:%04X irq:%d mem:%08X lcr:%08X",
- info->device_name, info->io_base, info->irq_level,
- info->phys_memory_base, info->phys_lcr_base);
- } else {
- seq_printf(m, "%s:(E)ISA io:%04X irq:%d dma:%d",
- info->device_name, info->io_base,
- info->irq_level, info->dma_level);
- }
+ seq_printf(m, "%s:PCI io:%04X irq:%d mem:%08X lcr:%08X",
+ info->device_name, info->io_base, info->irq_level,
+ info->phys_memory_base, info->phys_lcr_base);
/* output current serial signal states */
spin_lock_irqsave(&info->irq_spinlock,flags);
@@ -3557,54 +3549,27 @@
if ( info->max_frame_size % DMABUFFERSIZE )
BuffersPerFrame++;
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- /*
- * The PCI adapter has 256KBytes of shared memory to use.
- * This is 64 PAGE_SIZE buffers.
- *
- * The first page is used for padding at this time so the
- * buffer list does not begin at offset 0 of the PCI
- * adapter's shared memory.
- *
- * The 2nd page is used for the buffer list. A 4K buffer
- * list can hold 128 DMA_BUFFER structures at 32 bytes
- * each.
- *
- * This leaves 62 4K pages.
- *
- * The next N pages are used for transmit frame(s). We
- * reserve enough 4K page blocks to hold the required
- * number of transmit dma buffers (num_tx_dma_buffers),
- * each of MaxFrameSize size.
- *
- * Of the remaining pages (62-N), determine how many can
- * be used to receive full MaxFrameSize inbound frames
- */
- info->tx_buffer_count = info->num_tx_dma_buffers * BuffersPerFrame;
- info->rx_buffer_count = 62 - info->tx_buffer_count;
- } else {
- /* Calculate the number of PAGE_SIZE buffers needed for */
- /* receive and transmit DMA buffers. */
-
-
- /* Calculate the number of DMA buffers necessary to */
- /* hold 7 max size receive frames and one max size transmit frame. */
- /* The receive buffer count is bumped by one so we avoid an */
- /* End of List condition if all receive buffers are used when */
- /* using linked list DMA buffers. */
-
- info->tx_buffer_count = info->num_tx_dma_buffers * BuffersPerFrame;
- info->rx_buffer_count = (BuffersPerFrame * MAXRXFRAMES) + 6;
-
- /*
- * limit total TxBuffers & RxBuffers to 62 4K total
- * (ala PCI Allocation)
- */
-
- if ( (info->tx_buffer_count + info->rx_buffer_count) > 62 )
- info->rx_buffer_count = 62 - info->tx_buffer_count;
-
- }
+ /*
+ * The PCI adapter has 256KBytes of shared memory to use. This is 64
+ * PAGE_SIZE buffers.
+ *
+ * The first page is used for padding at this time so the buffer list
+ * does not begin at offset 0 of the PCI adapter's shared memory.
+ *
+ * The 2nd page is used for the buffer list. A 4K buffer list can hold
+ * 128 DMA_BUFFER structures at 32 bytes each.
+ *
+ * This leaves 62 4K pages.
+ *
+ * The next N pages are used for transmit frame(s). We reserve enough
+ * 4K page blocks to hold the required number of transmit dma buffers
+ * (num_tx_dma_buffers), each of MaxFrameSize size.
+ *
+ * Of the remaining pages (62-N), determine how many can be used to
+ * receive full MaxFrameSize inbound frames
+ */
+ info->tx_buffer_count = info->num_tx_dma_buffers * BuffersPerFrame;
+ info->rx_buffer_count = 62 - info->tx_buffer_count;
if ( debug_level >= DEBUG_LEVEL_INFO )
printk("%s(%d):Allocating %d TX and %d RX DMA buffers.\n",
@@ -3653,23 +3618,10 @@
{
unsigned int i;
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- /* PCI adapter uses shared memory. */
- info->buffer_list = info->memory_base + info->last_mem_alloc;
- info->buffer_list_phys = info->last_mem_alloc;
- info->last_mem_alloc += BUFFERLISTSIZE;
- } else {
- /* ISA adapter uses system memory. */
- /* The buffer lists are allocated as a common buffer that both */
- /* the processor and adapter can access. This allows the driver to */
- /* inspect portions of the buffer while other portions are being */
- /* updated by the adapter using Bus Master DMA. */
-
- info->buffer_list = dma_alloc_coherent(NULL, BUFFERLISTSIZE, &info->buffer_list_dma_addr, GFP_KERNEL);
- if (info->buffer_list == NULL)
- return -ENOMEM;
- info->buffer_list_phys = (u32)(info->buffer_list_dma_addr);
- }
+ /* PCI adapter uses shared memory. */
+ info->buffer_list = info->memory_base + info->last_mem_alloc;
+ info->buffer_list_phys = info->last_mem_alloc;
+ info->last_mem_alloc += BUFFERLISTSIZE;
/* We got the memory for the buffer entry lists. */
/* Initialize the memory block to all zeros. */
@@ -3735,9 +3687,6 @@
*/
static void mgsl_free_buffer_list_memory( struct mgsl_struct *info )
{
- if (info->buffer_list && info->bus_type != MGSL_BUS_TYPE_PCI)
- dma_free_coherent(NULL, BUFFERLISTSIZE, info->buffer_list, info->buffer_list_dma_addr);
-
info->buffer_list = NULL;
info->rx_buffer_list = NULL;
info->tx_buffer_list = NULL;
@@ -3763,24 +3712,13 @@
static int mgsl_alloc_frame_memory(struct mgsl_struct *info,DMABUFFERENTRY *BufferList,int Buffercount)
{
int i;
- u32 phys_addr;
/* Allocate page sized buffers for the receive buffer list */
for ( i = 0; i < Buffercount; i++ ) {
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- /* PCI adapter uses shared memory buffers. */
- BufferList[i].virt_addr = info->memory_base + info->last_mem_alloc;
- phys_addr = info->last_mem_alloc;
- info->last_mem_alloc += DMABUFFERSIZE;
- } else {
- /* ISA adapter uses system memory. */
- BufferList[i].virt_addr = dma_alloc_coherent(NULL, DMABUFFERSIZE, &BufferList[i].dma_addr, GFP_KERNEL);
- if (BufferList[i].virt_addr == NULL)
- return -ENOMEM;
- phys_addr = (u32)(BufferList[i].dma_addr);
- }
- BufferList[i].phys_addr = phys_addr;
+ BufferList[i].virt_addr = info->memory_base + info->last_mem_alloc;
+ BufferList[i].phys_addr = info->last_mem_alloc;
+ info->last_mem_alloc += DMABUFFERSIZE;
}
return 0;
@@ -3808,8 +3746,6 @@
if ( BufferList ) {
for ( i = 0 ; i < Buffercount ; i++ ) {
if ( BufferList[i].virt_addr ) {
- if ( info->bus_type != MGSL_BUS_TYPE_PCI )
- dma_free_coherent(NULL, DMABUFFERSIZE, BufferList[i].virt_addr, BufferList[i].dma_addr);
BufferList[i].virt_addr = NULL;
}
}
@@ -4041,58 +3977,40 @@
}
info->irq_requested = true;
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- if (request_mem_region(info->phys_memory_base,0x40000,"synclink") == NULL) {
- printk( "%s(%d):mem addr conflict device %s Addr=%08X\n",
- __FILE__,__LINE__,info->device_name, info->phys_memory_base);
- goto errout;
- }
- info->shared_mem_requested = true;
- if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclink") == NULL) {
- printk( "%s(%d):lcr mem addr conflict device %s Addr=%08X\n",
- __FILE__,__LINE__,info->device_name, info->phys_lcr_base + info->lcr_offset);
- goto errout;
- }
- info->lcr_mem_requested = true;
-
- info->memory_base = ioremap_nocache(info->phys_memory_base,
- 0x40000);
- if (!info->memory_base) {
- printk( "%s(%d):Can't map shared memory on device %s MemAddr=%08X\n",
- __FILE__,__LINE__,info->device_name, info->phys_memory_base );
- goto errout;
- }
-
- if ( !mgsl_memory_test(info) ) {
- printk( "%s(%d):Failed shared memory test %s MemAddr=%08X\n",
- __FILE__,__LINE__,info->device_name, info->phys_memory_base );
- goto errout;
- }
-
- info->lcr_base = ioremap_nocache(info->phys_lcr_base,
- PAGE_SIZE);
- if (!info->lcr_base) {
- printk( "%s(%d):Can't map LCR memory on device %s MemAddr=%08X\n",
- __FILE__,__LINE__,info->device_name, info->phys_lcr_base );
- goto errout;
- }
- info->lcr_base += info->lcr_offset;
-
- } else {
- /* claim DMA channel */
-
- if (request_dma(info->dma_level,info->device_name) < 0){
- printk( "%s(%d):Can't request DMA channel on device %s DMA=%d\n",
- __FILE__,__LINE__,info->device_name, info->dma_level );
- goto errout;
- }
- info->dma_requested = true;
-
- /* ISA adapter uses bus master DMA */
- set_dma_mode(info->dma_level,DMA_MODE_CASCADE);
- enable_dma(info->dma_level);
+ if (request_mem_region(info->phys_memory_base,0x40000,"synclink") == NULL) {
+ printk( "%s(%d):mem addr conflict device %s Addr=%08X\n",
+ __FILE__,__LINE__,info->device_name, info->phys_memory_base);
+ goto errout;
}
-
+ info->shared_mem_requested = true;
+ if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclink") == NULL) {
+ printk( "%s(%d):lcr mem addr conflict device %s Addr=%08X\n",
+ __FILE__,__LINE__,info->device_name, info->phys_lcr_base + info->lcr_offset);
+ goto errout;
+ }
+ info->lcr_mem_requested = true;
+
+ info->memory_base = ioremap(info->phys_memory_base, 0x40000);
+ if (!info->memory_base) {
+ printk( "%s(%d):Can't map shared memory on device %s MemAddr=%08X\n",
+ __FILE__,__LINE__,info->device_name, info->phys_memory_base );
+ goto errout;
+ }
+
+ if ( !mgsl_memory_test(info) ) {
+ printk( "%s(%d):Failed shared memory test %s MemAddr=%08X\n",
+ __FILE__,__LINE__,info->device_name, info->phys_memory_base );
+ goto errout;
+ }
+
+ info->lcr_base = ioremap(info->phys_lcr_base, PAGE_SIZE);
+ if (!info->lcr_base) {
+ printk( "%s(%d):Can't map LCR memory on device %s MemAddr=%08X\n",
+ __FILE__,__LINE__,info->device_name, info->phys_lcr_base );
+ goto errout;
+ }
+ info->lcr_base += info->lcr_offset;
+
if ( mgsl_allocate_dma_buffers(info) < 0 ) {
printk( "%s(%d):Can't allocate DMA buffers on device %s DMA=%d\n",
__FILE__,__LINE__,info->device_name, info->dma_level );
@@ -4201,16 +4119,10 @@
else if ( info->max_frame_size > 65535 )
info->max_frame_size = 65535;
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- printk( "SyncLink PCI v%d %s: IO=%04X IRQ=%d Mem=%08X,%08X MaxFrameSize=%u\n",
- info->hw_version + 1, info->device_name, info->io_base, info->irq_level,
- info->phys_memory_base, info->phys_lcr_base,
- info->max_frame_size );
- } else {
- printk( "SyncLink ISA %s: IO=%04X IRQ=%d DMA=%d MaxFrameSize=%u\n",
- info->device_name, info->io_base, info->irq_level, info->dma_level,
- info->max_frame_size );
- }
+ printk( "SyncLink PCI v%d %s: IO=%04X IRQ=%d Mem=%08X,%08X MaxFrameSize=%u\n",
+ info->hw_version + 1, info->device_name, info->io_base, info->irq_level,
+ info->phys_memory_base, info->phys_lcr_base,
+ info->max_frame_size );
#if SYNCLINK_GENERIC_HDLC
hdlcdev_init(info);
@@ -4326,41 +4238,6 @@
return 0;
}
-/* enumerate user specified ISA adapters
- */
-static void mgsl_enum_isa_devices(void)
-{
- struct mgsl_struct *info;
- int i;
-
- /* Check for user specified ISA devices */
-
- for (i=0 ;(i < MAX_ISA_DEVICES) && io[i] && irq[i]; i++){
- if ( debug_level >= DEBUG_LEVEL_INFO )
- printk("ISA device specified io=%04X,irq=%d,dma=%d\n",
- io[i], irq[i], dma[i] );
-
- info = mgsl_allocate_device();
- if ( !info ) {
- /* error allocating device instance data */
- if ( debug_level >= DEBUG_LEVEL_ERROR )
- printk( "can't allocate device instance data.\n");
- continue;
- }
-
- /* Copy user configuration info to device instance data */
- info->io_base = (unsigned int)io[i];
- info->irq_level = (unsigned int)irq[i];
- info->irq_level = irq_canonicalize(info->irq_level);
- info->dma_level = (unsigned int)dma[i];
- info->bus_type = MGSL_BUS_TYPE_ISA;
- info->io_addr_size = 16;
- info->irq_flags = 0;
-
- mgsl_add_device( info );
- }
-}
-
static void synclink_cleanup(void)
{
int rc;
@@ -4404,7 +4281,6 @@
printk("%s %s\n", driver_name, driver_version);
- mgsl_enum_isa_devices();
if ((rc = pci_register_driver(&synclink_pci_driver)) < 0)
printk("%s:failed to register PCI driver, error=%d\n",__FILE__,rc);
else
@@ -4457,8 +4333,7 @@
outw( Cmd + info->loopback_bits, info->io_base + CCAR );
/* Read to flush write to CCAR */
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- inw( info->io_base + CCAR );
+ inw( info->io_base + CCAR );
} /* end of usc_RTCmd() */
@@ -4482,8 +4357,7 @@
outw( Cmd + info->mbre_bit, info->io_base );
/* Read to flush write to DCAR */
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- inw( info->io_base );
+ inw( info->io_base );
} /* end of usc_DmaCmd() */
@@ -4512,8 +4386,7 @@
outw( RegValue, info->io_base );
/* Read to flush write to DCAR */
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- inw( info->io_base );
+ inw( info->io_base );
} /* end of usc_OutDmaReg() */
@@ -4565,8 +4438,7 @@
outw( RegValue, info->io_base + CCAR );
/* Read to flush write to CCAR */
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- inw( info->io_base + CCAR );
+ inw( info->io_base + CCAR );
} /* end of usc_OutReg() */
@@ -4765,10 +4637,7 @@
RegValue = usc_InReg( info, RICR ) & 0xc0;
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- usc_OutReg( info, RICR, (u16)(0x030a | RegValue) );
- else
- usc_OutReg( info, RICR, (u16)(0x140a | RegValue) );
+ usc_OutReg( info, RICR, (u16)(0x030a | RegValue) );
/* Unlatch all Rx status bits and clear Rx status IRQ Pending */
@@ -4829,10 +4698,7 @@
* 0000 0000 0011 0110 = 0x0036
*/
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- usc_OutReg( info, TICR, 0x0736 );
- else
- usc_OutReg( info, TICR, 0x1436 );
+ usc_OutReg( info, TICR, 0x0736 );
usc_UnlatchTxstatusBits( info, TXSTATUS_ALL );
usc_ClearIrqPendingBits( info, TRANSMIT_STATUS );
@@ -4922,10 +4788,7 @@
/* DPLL is enabled. Use BRG1 to provide continuous reference clock */
/* for DPLL. DPLL mode in HCR is dependent on the encoding used. */
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- XtalSpeed = 11059200;
- else
- XtalSpeed = 14745600;
+ XtalSpeed = 11059200;
if ( info->params.flags & HDLC_FLAG_DPLL_DIV16 ) {
DpllDivisor = 16;
@@ -5026,12 +4889,6 @@
info->mbre_bit = BIT8;
outw( BIT8, info->io_base ); /* set Master Bus Enable (DCAR) */
- if (info->bus_type == MGSL_BUS_TYPE_ISA) {
- /* Enable DMAEN (Port 7, Bit 14) */
- /* This connects the DMA request signal to the ISA bus */
- usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT15) & ~BIT14));
- }
-
/* DMA Control Register (DCR)
*
* <15..14> 10 Priority mode = Alternating Tx/Rx
@@ -5054,13 +4911,8 @@
* 0110 0000 0000 1011 = 0x600b
*/
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- /* PCI adapter does not need DMA wait state */
- usc_OutDmaReg( info, DCR, 0xa00b );
- }
- else
- usc_OutDmaReg( info, DCR, 0x800b );
-
+ /* PCI adapter does not need DMA wait state */
+ usc_OutDmaReg( info, DCR, 0xa00b );
/* Receive DMA mode Register (RDMR)
*
@@ -5152,12 +5004,8 @@
* <7..0> 0x00 Maximum number of clock cycles per bus grant
*/
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- /* don't limit bus occupancy on PCI adapter */
- usc_OutDmaReg( info, BDCR, 0x0000 );
- }
- else
- usc_OutDmaReg( info, BDCR, 0x2000 );
+ /* don't limit bus occupancy on PCI adapter */
+ usc_OutDmaReg( info, BDCR, 0x0000 );
usc_stop_transmitter(info);
usc_stop_receiver(info);
@@ -5198,10 +5046,7 @@
/* Write 16-bit Time Constant for BRG0 */
/* use clock speed if available, otherwise use 8 for diagnostics */
if (info->params.clock_speed) {
- if (info->bus_type == MGSL_BUS_TYPE_PCI)
- usc_OutReg(info, TC0R, (u16)((11059200/info->params.clock_speed)-1));
- else
- usc_OutReg(info, TC0R, (u16)((14745600/info->params.clock_speed)-1));
+ usc_OutReg(info, TC0R, (u16)((11059200/info->params.clock_speed)-1));
} else
usc_OutReg(info, TC0R, (u16)8);
@@ -5244,10 +5089,7 @@
u16 Tc;
if ( data_rate ) {
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- XtalSpeed = 11059200;
- else
- XtalSpeed = 14745600;
+ XtalSpeed = 11059200;
/* Tc = (Xtal/Speed) - 1 */
@@ -5725,44 +5567,38 @@
*/
static void usc_reset( struct mgsl_struct *info )
{
- if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- int i;
- u32 readval;
+ int i;
+ u32 readval;
- /* Set BIT30 of Misc Control Register */
- /* (Local Control Register 0x50) to force reset of USC. */
+ /* Set BIT30 of Misc Control Register */
+ /* (Local Control Register 0x50) to force reset of USC. */
- volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50);
- u32 *LCR0BRDR = (u32 *)(info->lcr_base + 0x28);
+ volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50);
+ u32 *LCR0BRDR = (u32 *)(info->lcr_base + 0x28);
- info->misc_ctrl_value |= BIT30;
- *MiscCtrl = info->misc_ctrl_value;
+ info->misc_ctrl_value |= BIT30;
+ *MiscCtrl = info->misc_ctrl_value;
- /*
- * Force at least 170ns delay before clearing
- * reset bit. Each read from LCR takes at least
- * 30ns so 10 times for 300ns to be safe.
- */
- for(i=0;i<10;i++)
- readval = *MiscCtrl;
+ /*
+ * Force at least 170ns delay before clearing reset bit. Each read from
+ * LCR takes at least 30ns so 10 times for 300ns to be safe.
+ */
+ for(i=0;i<10;i++)
+ readval = *MiscCtrl;
- info->misc_ctrl_value &= ~BIT30;
- *MiscCtrl = info->misc_ctrl_value;
+ info->misc_ctrl_value &= ~BIT30;
+ *MiscCtrl = info->misc_ctrl_value;
- *LCR0BRDR = BUS_DESCRIPTOR(
- 1, // Write Strobe Hold (0-3)
- 2, // Write Strobe Delay (0-3)
- 2, // Read Strobe Delay (0-3)
- 0, // NWDD (Write data-data) (0-3)
- 4, // NWAD (Write Addr-data) (0-31)
- 0, // NXDA (Read/Write Data-Addr) (0-3)
- 0, // NRDD (Read Data-Data) (0-3)
- 5 // NRAD (Read Addr-Data) (0-31)
- );
- } else {
- /* do HW reset */
- outb( 0,info->io_base + 8 );
- }
+ *LCR0BRDR = BUS_DESCRIPTOR(
+ 1, // Write Strobe Hold (0-3)
+ 2, // Write Strobe Delay (0-3)
+ 2, // Read Strobe Delay (0-3)
+ 0, // NWDD (Write data-data) (0-3)
+ 4, // NWAD (Write Addr-data) (0-31)
+ 0, // NXDA (Read/Write Data-Addr) (0-3)
+ 0, // NRDD (Read Data-Data) (0-3)
+ 5 // NRAD (Read Addr-Data) (0-31)
+ );
info->mbre_bit = 0;
info->loopback_bits = 0;
@@ -6008,12 +5844,6 @@
usc_EnableMasterIrqBit( info );
- if (info->bus_type == MGSL_BUS_TYPE_ISA) {
- /* Enable INTEN (Port 6, Bit12) */
- /* This connects the IRQ request signal to the ISA bus */
- usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12));
- }
-
if (info->params.loopback) {
info->loopback_bits = 0x300;
outw(0x0300, info->io_base + CCAR);
@@ -6107,12 +5937,6 @@
{
usc_loopback_frame( info );
usc_set_sdlc_mode( info );
-
- if (info->bus_type == MGSL_BUS_TYPE_ISA) {
- /* Enable INTEN (Port 6, Bit12) */
- /* This connects the IRQ request signal to the ISA bus */
- usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12));
- }
usc_enable_aux_clock(info, info->params.clock_speed);
@@ -6283,11 +6107,7 @@
* ClkSpeed = 921600 (ISA), 691200 (PCI)
*/
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- usc_OutReg( info, TC0R, (u16)((691200/data_rate) - 1) );
- else
- usc_OutReg( info, TC0R, (u16)((921600/data_rate) - 1) );
-
+ usc_OutReg( info, TC0R, (u16)((691200/data_rate) - 1) );
/*
* Hardware Configuration Register (HCR)
@@ -6892,10 +6712,7 @@
/* Actually copy data from source buffer to DMA buffer. */
/* Also set the data count for this individual DMA buffer. */
- if ( info->bus_type == MGSL_BUS_TYPE_PCI )
- mgsl_load_pci_memory(pBufEntry->virt_addr, Buffer,Copycount);
- else
- memcpy(pBufEntry->virt_addr, Buffer, Copycount);
+ mgsl_load_pci_memory(pBufEntry->virt_addr, Buffer,Copycount);
pBufEntry->count = Copycount;
@@ -7370,9 +7187,6 @@
unsigned long TestLimit = SHARED_MEM_ADDRESS_SIZE/sizeof(unsigned long);
unsigned long * TestAddr;
- if ( info->bus_type != MGSL_BUS_TYPE_PCI )
- return true;
-
TestAddr = (unsigned long *)info->memory_base;
/* Test data lines with test pattern at one location. */
@@ -7605,14 +7419,14 @@
#if SYNCLINK_GENERIC_HDLC
/**
- * called by generic HDLC layer when protocol selected (PPP, frame relay, etc.)
- * set encoding and frame check sequence (FCS) options
+ * hdlcdev_attach - called by generic HDLC layer when protocol selected (PPP, frame relay, etc.)
+ * @dev: pointer to network device structure
+ * @encoding: serial encoding setting
+ * @parity: FCS setting
*
- * dev pointer to network device structure
- * encoding serial encoding setting
- * parity FCS setting
+ * Set encoding and frame check sequence (FCS) options.
*
- * returns 0 if success, otherwise error code
+ * Return: 0 if success, otherwise error code
*/
static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
unsigned short parity)
@@ -7654,10 +7468,9 @@
}
/**
- * called by generic HDLC layer to send frame
- *
- * skb socket buffer containing HDLC frame
- * dev pointer to network device structure
+ * hdlcdev_xmit - called by generic HDLC layer to send a frame
+ * @skb: socket buffer containing HDLC frame
+ * @dev: pointer to network device structure
*/
static netdev_tx_t hdlcdev_xmit(struct sk_buff *skb,
struct net_device *dev)
@@ -7695,12 +7508,12 @@
}
/**
- * called by network layer when interface enabled
- * claim resources and initialize hardware
+ * hdlcdev_open - called by network layer when interface enabled
+ * @dev: pointer to network device structure
*
- * dev pointer to network device structure
+ * Claim resources and initialize hardware.
*
- * returns 0 if success, otherwise error code
+ * Return: 0 if success, otherwise error code
*/
static int hdlcdev_open(struct net_device *dev)
{
@@ -7754,12 +7567,12 @@
}
/**
- * called by network layer when interface is disabled
- * shutdown hardware and release resources
+ * hdlcdev_close - called by network layer when interface is disabled
+ * @dev: pointer to network device structure
*
- * dev pointer to network device structure
+ * Shutdown hardware and release resources.
*
- * returns 0 if success, otherwise error code
+ * Return: 0 if success, otherwise error code
*/
static int hdlcdev_close(struct net_device *dev)
{
@@ -7784,13 +7597,12 @@
}
/**
- * called by network layer to process IOCTL call to network device
+ * hdlcdev_ioctl - called by network layer to process IOCTL call to network device
+ * @dev: pointer to network device structure
+ * @ifr: pointer to network interface request structure
+ * @cmd: IOCTL command code
*
- * dev pointer to network device structure
- * ifr pointer to network interface request structure
- * cmd IOCTL command code
- *
- * returns 0 if success, otherwise error code
+ * Return: 0 if success, otherwise error code
*/
static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
@@ -7888,11 +7700,11 @@
}
/**
- * called by network layer when transmit timeout is detected
+ * hdlcdev_tx_timeout - called by network layer when transmit timeout is detected
*
- * dev pointer to network device structure
+ * @dev: pointer to network device structure
*/
-static void hdlcdev_tx_timeout(struct net_device *dev)
+static void hdlcdev_tx_timeout(struct net_device *dev, unsigned int txqueue)
{
struct mgsl_struct *info = dev_to_port(dev);
unsigned long flags;
@@ -7911,10 +7723,10 @@
}
/**
- * called by device driver when transmit completes
- * reenable network layer transmit if stopped
+ * hdlcdev_tx_done - called by device driver when transmit completes
+ * @info: pointer to device instance information
*
- * info pointer to device instance information
+ * Reenable network layer transmit if stopped.
*/
static void hdlcdev_tx_done(struct mgsl_struct *info)
{
@@ -7923,12 +7735,12 @@
}
/**
- * called by device driver when frame received
- * pass frame to network layer
+ * hdlcdev_rx - called by device driver when frame received
+ * @info: pointer to device instance information
+ * @buf: pointer to buffer contianing frame data
+ * @size: count of data bytes in buf
*
- * info pointer to device instance information
- * buf pointer to buffer contianing frame data
- * size count of data bytes in buf
+ * Pass frame to network layer.
*/
static void hdlcdev_rx(struct mgsl_struct *info, char *buf, int size)
{
@@ -7964,12 +7776,12 @@
};
/**
- * called by device driver when adding device instance
- * do generic HDLC initialization
+ * hdlcdev_init - called by device driver when adding device instance
+ * @info: pointer to device instance information
*
- * info pointer to device instance information
+ * Do generic HDLC initialization.
*
- * returns 0 if success, otherwise error code
+ * Return: 0 if success, otherwise error code
*/
static int hdlcdev_init(struct mgsl_struct *info)
{
@@ -8013,10 +7825,10 @@
}
/**
- * called by device driver when removing device instance
- * do generic HDLC cleanup
+ * hdlcdev_exit - called by device driver when removing device instance
+ * @info: pointer to device instance information
*
- * info pointer to device instance information
+ * Do generic HDLC cleanup.
*/
static void hdlcdev_exit(struct mgsl_struct *info)
{
@@ -8058,7 +7870,6 @@
info->lcr_offset = info->phys_lcr_base & (PAGE_SIZE-1);
info->phys_lcr_base &= ~(PAGE_SIZE-1);
- info->bus_type = MGSL_BUS_TYPE_PCI;
info->io_addr_size = 8;
info->irq_flags = IRQF_SHARED;
--
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