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Subject[PATCH 2.6.16-mm1 3/4] PCI legacy I/O port free driver (take 6) - Make Intel e1000 driver legacy I/O port free
This patch makes Intel e1000 driver legacy I/O port free.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>

---
drivers/net/e1000/e1000.h | 6 +-
drivers/net/e1000/e1000_main.c | 123 ++++++++++++++++++++++-------------------
2 files changed, 71 insertions(+), 58 deletions(-)
Index: linux-2.6.16-mm1/drivers/net/e1000/e1000.h
===================================================================
--- linux-2.6.16-mm1.orig/drivers/net/e1000/e1000.h 2006-03-23 20:04:06.000000000 +0900
+++ linux-2.6.16-mm1/drivers/net/e1000/e1000.h 2006-03-23 20:04:13.000000000 +0900
@@ -77,8 +77,9 @@
#define BAR_1 1
#define BAR_5 5

-#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
- PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
+#define E1000_NO_IOPORT (1 << 0)
+#define INTEL_E1000_ETHERNET_DEVICE(device_id, flags) {\
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id), .driver_data = flags}

struct e1000_adapter;

@@ -338,6 +339,7 @@
#ifdef NETIF_F_TSO
boolean_t tso_force;
#endif
+ int bars; /* BARs to be enabled */
};


Index: linux-2.6.16-mm1/drivers/net/e1000/e1000_main.c
===================================================================
--- linux-2.6.16-mm1.orig/drivers/net/e1000/e1000_main.c 2006-03-23 20:04:06.000000000 +0900
+++ linux-2.6.16-mm1/drivers/net/e1000/e1000_main.c 2006-03-23 20:04:13.000000000 +0900
@@ -86,54 +86,54 @@
* {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
*/
static struct pci_device_id e1000_pci_tbl[] = {
- INTEL_E1000_ETHERNET_DEVICE(0x1000),
- INTEL_E1000_ETHERNET_DEVICE(0x1001),
- INTEL_E1000_ETHERNET_DEVICE(0x1004),
- INTEL_E1000_ETHERNET_DEVICE(0x1008),
- INTEL_E1000_ETHERNET_DEVICE(0x1009),
- INTEL_E1000_ETHERNET_DEVICE(0x100C),
- INTEL_E1000_ETHERNET_DEVICE(0x100D),
- INTEL_E1000_ETHERNET_DEVICE(0x100E),
- INTEL_E1000_ETHERNET_DEVICE(0x100F),
- INTEL_E1000_ETHERNET_DEVICE(0x1010),
- INTEL_E1000_ETHERNET_DEVICE(0x1011),
- INTEL_E1000_ETHERNET_DEVICE(0x1012),
- INTEL_E1000_ETHERNET_DEVICE(0x1013),
- INTEL_E1000_ETHERNET_DEVICE(0x1014),
- INTEL_E1000_ETHERNET_DEVICE(0x1015),
- INTEL_E1000_ETHERNET_DEVICE(0x1016),
- INTEL_E1000_ETHERNET_DEVICE(0x1017),
- INTEL_E1000_ETHERNET_DEVICE(0x1018),
- INTEL_E1000_ETHERNET_DEVICE(0x1019),
- INTEL_E1000_ETHERNET_DEVICE(0x101A),
- INTEL_E1000_ETHERNET_DEVICE(0x101D),
- INTEL_E1000_ETHERNET_DEVICE(0x101E),
- INTEL_E1000_ETHERNET_DEVICE(0x1026),
- INTEL_E1000_ETHERNET_DEVICE(0x1027),
- INTEL_E1000_ETHERNET_DEVICE(0x1028),
- INTEL_E1000_ETHERNET_DEVICE(0x105E),
- INTEL_E1000_ETHERNET_DEVICE(0x105F),
- INTEL_E1000_ETHERNET_DEVICE(0x1060),
- INTEL_E1000_ETHERNET_DEVICE(0x1075),
- INTEL_E1000_ETHERNET_DEVICE(0x1076),
- INTEL_E1000_ETHERNET_DEVICE(0x1077),
- INTEL_E1000_ETHERNET_DEVICE(0x1078),
- INTEL_E1000_ETHERNET_DEVICE(0x1079),
- INTEL_E1000_ETHERNET_DEVICE(0x107A),
- INTEL_E1000_ETHERNET_DEVICE(0x107B),
- INTEL_E1000_ETHERNET_DEVICE(0x107C),
- INTEL_E1000_ETHERNET_DEVICE(0x107D),
- INTEL_E1000_ETHERNET_DEVICE(0x107E),
- INTEL_E1000_ETHERNET_DEVICE(0x107F),
- INTEL_E1000_ETHERNET_DEVICE(0x108A),
- INTEL_E1000_ETHERNET_DEVICE(0x108B),
- INTEL_E1000_ETHERNET_DEVICE(0x108C),
- INTEL_E1000_ETHERNET_DEVICE(0x1096),
- INTEL_E1000_ETHERNET_DEVICE(0x1098),
- INTEL_E1000_ETHERNET_DEVICE(0x1099),
- INTEL_E1000_ETHERNET_DEVICE(0x109A),
- INTEL_E1000_ETHERNET_DEVICE(0x10B5),
- INTEL_E1000_ETHERNET_DEVICE(0x10B9),
+ INTEL_E1000_ETHERNET_DEVICE(0x1000, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1001, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1004, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1008, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1009, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x100C, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x100D, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x100E, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x100F, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1010, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1011, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1012, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1013, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1014, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1015, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1016, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1017, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1018, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1019, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x101A, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x101D, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x101E, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1026, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1027, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1028, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x105E, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x105F, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1060, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1075, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1076, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1077, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1078, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1079, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x107A, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x107B, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x107C, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x107D, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x107E, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x107F, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x108A, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x108B, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x108C, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x1096, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1098, 0),
+ INTEL_E1000_ETHERNET_DEVICE(0x1099, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x109A, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x10B5, E1000_NO_IOPORT),
+ INTEL_E1000_ETHERNET_DEVICE(0x10B9, 0),
/* required last entry */
{0,}
};
@@ -619,7 +619,14 @@
int i, err, pci_using_dac;
uint16_t eeprom_data;
uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
- if ((err = pci_enable_device(pdev)))
+ int bars;
+
+ if (ent->driver_data & E1000_NO_IOPORT)
+ bars = pci_select_bars(pdev, IORESOURCE_MEM);
+ else
+ bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
+
+ if ((err = pci_enable_device_bars(pdev, bars)))
return err;

if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
@@ -652,6 +659,7 @@
adapter->pdev = pdev;
adapter->hw.back = adapter;
adapter->msg_enable = (1 << debug) - 1;
+ adapter->bars = bars;

mmio_start = pci_resource_start(pdev, BAR_0);
mmio_len = pci_resource_len(pdev, BAR_0);
@@ -662,12 +670,15 @@
goto err_ioremap;
}

- for (i = BAR_1; i <= BAR_5; i++) {
- if (pci_resource_len(pdev, i) == 0)
- continue;
- if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
- adapter->hw.io_base = pci_resource_start(pdev, i);
- break;
+ if (!(ent->driver_data & E1000_NO_IOPORT)) {
+ for (i = BAR_1; i <= BAR_5; i++) {
+ if (pci_resource_len(pdev, i) == 0)
+ continue;
+ if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
+ adapter->hw.io_base =
+ pci_resource_start(pdev, i);
+ break;
+ }
}
}

@@ -4575,7 +4586,7 @@
if (retval)
DPRINTK(PROBE, ERR, "Error in setting power state\n");
e1000_pci_restore_state(adapter);
- ret_val = pci_enable_device(pdev);
+ ret_val = pci_enable_device_bars(pdev, adapter->bars);
pci_set_master(pdev);

retval = pci_enable_wake(pdev, PCI_D3hot, 0);
-
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