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nexedi
linux
Commits
caad866a
Commit
caad866a
authored
Jun 09, 2003
by
Greg Kroah-Hartman
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PCI: remove pci_present() from drivers/net/dgrs.c
parent
77bfc31b
Changes
1
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1 changed file
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37 additions
and
41 deletions
+37
-41
drivers/net/dgrs.c
drivers/net/dgrs.c
+37
-41
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drivers/net/dgrs.c
View file @
caad866a
...
@@ -1356,55 +1356,51 @@ static int __init dgrs_scan(void)
...
@@ -1356,55 +1356,51 @@ static int __init dgrs_scan(void)
uint
irq
;
uint
irq
;
uint
plxreg
;
uint
plxreg
;
uint
plxdma
;
uint
plxdma
;
struct
pci_dev
*
pdev
=
NULL
;
/*
/*
* First, check for PCI boards
* First, check for PCI boards
*/
*/
if
(
pci_present
()
)
while
((
pdev
=
pci_find_device
(
SE6_PCI_VENDOR_ID
,
SE6_PCI_DEVICE_ID
,
pdev
))
!=
NULL
)
{
{
struct
pci_dev
*
pdev
=
NULL
;
/*
* Get and check the bus-master and latency values.
* Some PCI BIOSes fail to set the master-enable bit,
* and the latency timer must be set to the maximum
* value to avoid data corruption that occurs when the
* timer expires during a transfer. Yes, it's a bug.
*/
if
(
pci_enable_device
(
pdev
))
continue
;
pci_set_master
(
pdev
);
while
((
pdev
=
pci_find_device
(
SE6_PCI_VENDOR_ID
,
SE6_PCI_DEVICE_ID
,
pdev
))
!=
NULL
)
plxreg
=
pci_resource_start
(
pdev
,
0
);
{
io
=
pci_resource_start
(
pdev
,
1
);
/*
mem
=
pci_resource_start
(
pdev
,
2
);
* Get and check the bus-master and latency values.
pci_read_config_dword
(
pdev
,
0x30
,
&
plxdma
);
* Some PCI BIOSes fail to set the master-enable bit,
irq
=
pdev
->
irq
;
* and the latency timer must be set to the maximum
plxdma
&=
~
15
;
* value to avoid data corruption that occurs when the
* timer expires during a transfer. Yes, it's a bug.
*/
if
(
pci_enable_device
(
pdev
))
continue
;
pci_set_master
(
pdev
);
plxreg
=
pci_resource_start
(
pdev
,
0
);
io
=
pci_resource_start
(
pdev
,
1
);
mem
=
pci_resource_start
(
pdev
,
2
);
pci_read_config_dword
(
pdev
,
0x30
,
&
plxdma
);
irq
=
pdev
->
irq
;
plxdma
&=
~
15
;
/*
* On some BIOSES, the PLX "expansion rom" (used for DMA)
* address comes up as "0". This is probably because
* the BIOS doesn't see a valid 55 AA ROM signature at
* the "ROM" start and zeroes the address. To get
* around this problem the SE-6 is configured to ask
* for 4 MB of space for the dual port memory. We then
* must set its range back to 2 MB, and use the upper
* half for DMA register access
*/
OUTL
(
io
+
PLX_SPACE0_RANGE
,
0xFFE00000L
);
if
(
plxdma
==
0
)
plxdma
=
mem
+
(
2048L
*
1024L
);
pci_write_config_dword
(
pdev
,
0x30
,
plxdma
+
1
);
pci_read_config_dword
(
pdev
,
0x30
,
&
plxdma
);
plxdma
&=
~
15
;
dgrs_found_device
(
io
,
mem
,
irq
,
plxreg
,
plxdma
);
/*
* On some BIOSES, the PLX "expansion rom" (used for DMA)
* address comes up as "0". This is probably because
* the BIOS doesn't see a valid 55 AA ROM signature at
* the "ROM" start and zeroes the address. To get
* around this problem the SE-6 is configured to ask
* for 4 MB of space for the dual port memory. We then
* must set its range back to 2 MB, and use the upper
* half for DMA register access
*/
OUTL
(
io
+
PLX_SPACE0_RANGE
,
0xFFE00000L
);
if
(
plxdma
==
0
)
plxdma
=
mem
+
(
2048L
*
1024L
);
pci_write_config_dword
(
pdev
,
0x30
,
plxdma
+
1
);
pci_read_config_dword
(
pdev
,
0x30
,
&
plxdma
);
plxdma
&=
~
15
;
cards_found
++
;
dgrs_found_device
(
io
,
mem
,
irq
,
plxreg
,
plxdma
);
}
cards_found
++
;
}
}
/*
/*
...
...
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