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SubjectRe: 2.6.23-rc2-mm1
On Thu, 09 Aug 2007 15:23:41 +0200
Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:

> Andrew Morton pisze:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23-rc2/2.6.23-rc2-mm1/
>
> I am experiencing some problems with 8139too
>
> [ 28.847004] 8139too 0000:02:0d.0: region #0 not a PIO resource, aborting
> [ 28.854722] Bad IO access at port 0 ()
> [ 28.859459] WARNING: at /home/devel/linux-mm/lib/iomap.c:44 bad_io_access()
> [ 28.867415] [<c040536b>] show_trace_log_lvl+0x1a/0x30
> [ 28.873568] [<c0405ff3>] show_trace+0x12/0x14
> [ 28.879015] [<c0406128>] dump_stack+0x16/0x18
> [ 28.884451] [<c052a904>] bad_io_access+0x58/0x5a
> [ 28.890129] [<c052a927>] pci_iounmap+0x21/0x2b
> [ 28.895635] [<c05b3746>] __rtl8139_cleanup_dev+0x75/0xc6
> [ 28.902037] [<c05b42c4>] rtl8139_init_one+0x59b/0xa9f
> [ 28.908170] [<c053e344>] pci_device_probe+0x44/0x5f
> [ 28.914116] [<c05a7cd0>] driver_probe_device+0xa7/0x19a
> [ 28.920402] [<c05a7f1a>] __driver_attach+0xa6/0xa8
> [ 28.926236] [<c05a71d3>] bus_for_each_dev+0x43/0x61
> [ 28.932139] [<c05a7b51>] driver_attach+0x19/0x1b
> [ 28.937776] [<c05a7504>] bus_add_driver+0x7e/0x1a5
> [ 28.943567] [<c05a80cf>] driver_register+0x45/0x75
> [ 28.949358] [<c053e4a5>] __pci_register_driver+0x56/0x84
> [ 28.955678] [<c0819118>] rtl8139_init_module+0x14/0x1c
> [ 28.961832] [<c0800521>] kernel_init+0x132/0x306
> [ 28.967451] [<c0404fb3>] kernel_thread_helper+0x7/0x14
> [ 28.973588] =======================
> [ 28.978151] initcall 0xc0819104: rtl8139_init_module+0x0/0x1c() returned 0.
> [ 28.986114] initcall 0xc0819104 ran for 161 msecs: rtl8139_init_module+0x0/0x1c()
>
> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.23-rc2-mm1/mm-dmesg
> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.23-rc2-mm1/mm-config
>

Please try reverting 8139too-force-media-setting-fix.patch, then
applying this:


From: Andrew Morton <akpm@linux-foundation.org>

Revert git-netdev-all's 9ee6b32a47b9abc565466a9c3b127a5246b452e5

Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
drivers/net/8139too.c | 50 +++++++++++++++++++++++-----------------
1 file changed, 29 insertions(+), 21 deletions(-)
diff -puN drivers/net/8139too.c~revert-8139too-clean-up-i-o-remapping drivers/net/8139too.c
--- a/drivers/net/8139too.c~revert-8139too-clean-up-i-o-remapping
+++ a/drivers/net/8139too.c
@@ -121,15 +121,8 @@


/* enable PIO instead of MMIO, if CONFIG_8139TOO_PIO is selected */
-enum rtl_bar_map_info {
- rtl_pio_bar = 0, /* PCI BAR #0: PIO */
- rtl_mmio_bar = 1, /* PCI BAR #1: MMIO */
-};
-
#ifdef CONFIG_8139TOO_PIO
-static int use_pio = 1;
-#else
-static int use_pio;
+#define USE_IO_OPS 1
#endif

/* define to 1, 2 or 3 to enable copious debugging info */
@@ -620,17 +613,14 @@ MODULE_DESCRIPTION ("RealTek RTL-8139 Fa
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);

-module_param(multicast_filter_limit, int, 0444);
+module_param(multicast_filter_limit, int, 0);
module_param_array(media, int, NULL, 0);
module_param_array(full_duplex, int, NULL, 0);
-module_param(debug, int, 0444);
-module_param(use_pio, int, 0444);
-
+module_param(debug, int, 0);
+MODULE_PARM_DESC (debug, "8139too bitmapped message enable number");
MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses");
MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps");
MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)");
-MODULE_PARM_DESC (debug, "8139too bitmapped message enable number");
-MODULE_PARM_DESC (use_pio, "Non-zero to enable PIO (rather than MMIO) register mapping");

static int read_eeprom (void __iomem *ioaddr, int location, int addr_len);
static int rtl8139_open (struct net_device *dev);
@@ -718,7 +708,13 @@ static void __rtl8139_cleanup_dev (struc
assert (tp->pci_dev != NULL);
pdev = tp->pci_dev;

- pci_iounmap (pdev, tp->mmio_addr);
+#ifdef USE_IO_OPS
+ if (tp->mmio_addr)
+ ioport_unmap (tp->mmio_addr);
+#else
+ if (tp->mmio_addr)
+ pci_iounmap (pdev, tp->mmio_addr);
+#endif /* USE_IO_OPS */

/* it's ok to call this even if we have no regions to free */
pci_release_regions (pdev);
@@ -794,32 +790,32 @@ static int __devinit rtl8139_init_board
DPRINTK("PIO region size == 0x%02X\n", pio_len);
DPRINTK("MMIO region size == 0x%02lX\n", mmio_len);

+#ifdef USE_IO_OPS
/* make sure PCI base addr 0 is PIO */
if (!(pio_flags & IORESOURCE_IO)) {
dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n");
rc = -ENODEV;
goto err_out;
}
-
/* check for weird/broken PCI region reporting */
if (pio_len < RTL_MIN_IO_SIZE) {
dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n");
rc = -ENODEV;
goto err_out;
}
-
+#else
/* make sure PCI base addr 1 is MMIO */
if (!(mmio_flags & IORESOURCE_MEM)) {
dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n");
rc = -ENODEV;
goto err_out;
}
-
if (mmio_len < RTL_MIN_IO_SIZE) {
dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n");
rc = -ENODEV;
goto err_out;
}
+#endif

rc = pci_request_regions (pdev, DRV_NAME);
if (rc)
@@ -829,16 +825,28 @@ static int __devinit rtl8139_init_board
/* enable PCI bus-mastering */
pci_set_master (pdev);

- /* iomap MMIO region */
- ioaddr = pci_iomap(pdev, use_pio ? rtl_pio_bar : rtl_mmio_bar, 0);
+#ifdef USE_IO_OPS
+ ioaddr = ioport_map(pio_start, pio_len);
+ if (!ioaddr) {
+ dev_err(&pdev->dev, "cannot map PIO, aborting\n");
+ rc = -EIO;
+ goto err_out;
+ }
+ dev->base_addr = pio_start;
+ tp->mmio_addr = ioaddr;
+ tp->regs_len = pio_len;
+#else
+ /* ioremap MMIO region */
+ ioaddr = pci_iomap(pdev, 1, 0);
if (ioaddr == NULL) {
- dev_err(&pdev->dev, "cannot map I/O regions, aborting\n");
+ dev_err(&pdev->dev, "cannot remap MMIO, aborting\n");
rc = -EIO;
goto err_out;
}
dev->base_addr = (long) ioaddr;
tp->mmio_addr = ioaddr;
tp->regs_len = mmio_len;
+#endif /* USE_IO_OPS */

/* Bring old chips out of low-power mode. */
RTL_W8 (HltClk, 'R');
_
-
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