[patch 2.4.28-pre3] 3c59x: reload EEPROM values at rmmod for needy cards

["John W. Linville" <linville@xxxxxxxxxxxxx>]

Enable reload of EEPROM values in reset at rmmod for cards that need
it, similar to old EEPROM_NORESET flag but in reverse.

Signed-of-by: John W. Linville <linville@xxxxxxxxxxxxx>
---
(Most?) 3c905 and (some?) 3c905B cards need an additional bit unmasked
in the reset at rmmod or else they don't get reinitialized properly when
the driver is reloaded.

 drivers/net/3c59x.c |   17 +++++++++--------
 1 files changed, 9 insertions(+), 8 deletions(-)

Please note that this depends on the "3c59x: resync with 2.6" patch
which I posted earlier today.

--- linux-2.4/drivers/net/3c59x.c.orig
+++ linux-2.4/drivers/net/3c59x.c
@@ -413,7 +413,7 @@ enum {      IS_VORTEX=1, IS_BOOMERANG=2, IS_C
        HAS_PWR_CTRL=0x20, HAS_MII=0x40, HAS_NWAY=0x80, HAS_CB_FNS=0x100,
        INVERT_MII_PWR=0x200, INVERT_LED_PWR=0x400, MAX_COLLISION_RESET=0x800,
        EEPROM_OFFSET=0x1000, HAS_HWCKSM=0x2000, WNO_XCVR_PWR=0x4000,
-       EXTRA_PREAMBLE=0x8000, };
+       EXTRA_PREAMBLE=0x8000, EEPROM_RESET=0x10000, };
 
 enum vortex_chips {
        CH_3C590 = 0,
@@ -502,16 +502,16 @@ static struct vortex_chip_info {
        {"3c900B-FL Cyclone 10base-FL",
         PCI_USES_IO|PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, },
        {"3c905 Boomerang 100baseTx",
-        PCI_USES_IO|PCI_USES_MASTER, IS_BOOMERANG|HAS_MII, 64, },
+        PCI_USES_IO|PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_RESET, 64, },
        {"3c905 Boomerang 100baseT4",
-        PCI_USES_IO|PCI_USES_MASTER, IS_BOOMERANG|HAS_MII, 64, },
+        PCI_USES_IO|PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_RESET, 64, },
        {"3c905B Cyclone 100baseTx",
-        PCI_USES_IO|PCI_USES_MASTER, 
IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, },
+        PCI_USES_IO|PCI_USES_MASTER, 
IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE|EEPROM_RESET, 128, },
 
        {"3c905B Cyclone 10/100/BNC",
-        PCI_USES_IO|PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM, 128, },
+        PCI_USES_IO|PCI_USES_MASTER, 
IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EEPROM_RESET, 128, },
        {"3c905B-FX Cyclone 100baseFx",
-        PCI_USES_IO|PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, },
+        PCI_USES_IO|PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM|EEPROM_RESET, 128, 
},
        {"3c905C Tornado",
        PCI_USES_IO|PCI_USES_MASTER, 
IS_TORNADO|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, },
        {"3c920B-EMB-WNM (ATI Radeon 9100 IGP)",
@@ -562,7 +562,7 @@ static struct vortex_chip_info {
        {"3c982 Hydra Dual Port B",
         PCI_USES_IO|PCI_USES_MASTER, IS_TORNADO|HAS_HWCKSM|HAS_NWAY, 128, },
        {"3c905B-T4",
-        PCI_USES_IO|PCI_USES_MASTER, 
IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, },
+        PCI_USES_IO|PCI_USES_MASTER, 
IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE|EEPROM_RESET, 128, },
        {"3c920B-EMB-WNM Tornado",
         PCI_USES_IO|PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|HAS_HWCKSM, 128, },
 
@@ -3091,7 +3091,8 @@ static void __devexit vortex_remove_one 
                        pci_restore_state(VORTEX_PCI(vp), vp->power_state);
        }
        /* Should really use issue_and_wait() here */
-       outw(TotalReset|0x14, dev->base_addr + EL3_CMD);
+       outw(TotalReset | ((vp->drv_flags & EEPROM_RESET) ? 0x04 : 0x14),
+            dev->base_addr + EL3_CMD);
 
        pci_free_consistent(pdev,
                                                sizeof(struct boom_rx_desc) * 
RX_RING_SIZE