[PATCH 1/2] fails: add print messages

[David Fries]

add print messages for debugging
---
 drivers/ide/via82cxxx.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index e65d010..ccd5640 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -409,6 +409,8 @@ static void via_write_devctl(ide_hwif_t *hwif, u8 ctl)
 
 	outb(ctl, hwif->io_ports.ctl_addr);
 	outb(vdev->cached_device[hwif->channel], hwif->io_ports.device_addr);
+	printk("via_write_devctl        write %u, %lu\n",
+		vdev->cached_device[hwif->channel], hwif->io_ports.device_addr);
 }
 
 static void __via_dev_select(ide_drive_t *drive, u8 select)
@@ -442,6 +444,9 @@ static void via_tf_load(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)
 		outb(tf->lbah, io_ports->lbah_addr);
 	if (valid & IDE_VALID_DEVICE)
 		__via_dev_select(drive, tf->device);
+	printk("via_tf_load write tf->device %u in place of tf->device %u\n"
+		" value io_ports->device_addr %lu\n",
+		tf->device, tf->device, io_ports->device_addr);
 }
 
 const struct ide_tp_ops via_tp_ops = {
-- 
1.7.0



Uniform Multi-Platform E-IDE driver
via82cxxx 0000:00:07.1: VIA vt82c586b (rev 41) IDE UDMA33
via82cxxx 0000:00:07.1: IDE controller (0x1106:0x0571 rev 0x06)
via82cxxx 0000:00:07.1: not 100% native mode: will probe irqs later
ide: disallowing DMA for hda
ide: disallowing DMA for hdb
    ide0: BM-DMA at 0xe400-0xe407
ide: disallowing DMA for hdc
ide: disallowing DMA for hdd
    ide1: BM-DMA at 0xe408-0xe40f
via_write_devctl        write 160, 502
via_write_devctl        write 176, 502
via_write_devctl        write 160, 502
hda: Maxtor 6Y120P0, ATA DISK drive
via_write_devctl        write 176, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_write_devctl        write 176, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
ide1: no devices on the port
via_write_devctl        write 160, 502
via_write_devctl        write 0, 374
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
ide_generic: please use "probe_mask=0x3f" module parameter for probing all legacy ISA IDE ports
ide-gd driver 1.18
hda: max request size: 128KiB
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 175 in place of tf->device 175
 value io_ports->device_addr 502
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 160 in place of tf->device 160
 value io_ports->device_addr 502
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 160 in place of tf->device 160
 value io_ports->device_addr 502
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 224 in place of tf->device 224
 value io_ports->device_addr 502
via_write_devctl        write 224, 502
hda: 66055248 sectors (33820 MB) w/7936KiB Cache, CHS=65531/16/63
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 160 in place of tf->device 160
 value io_ports->device_addr 502
via_write_devctl        write 160, 502
hda: cache flushes supported
 hda:via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 224 in place of tf->device 224
 value io_ports->device_addr 502
 hda1 hda2 hda3
hda: p3 size 236037312 exceeds device capacity, enabling native capacity
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 224 in place of tf->device 224
 value io_ports->device_addr 502
via_write_devctl        write 224, 502
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 227 in place of tf->device 227
 value io_ports->device_addr 502
via_write_devctl        write 227, 502
hda: p3 size 236037312 exceeds device capacity, limited to end of disk
via_write_devctl        write 160, 502
via_tf_load write tf->device 0 in place of tf->device 0
 value io_ports->device_addr 502
via_tf_load write tf->device 160 in place of tf->device 160
 value io_ports->device_addr 502
via_write_devctl        write 160, 502
ide-cd driver 5.00
VFS: Cannot open root device "1602" or unknown-block(22,2)
Please append a correct "root=" boot option; here are the available partitions:
0300        33027624 hda driver: ide-gd
  0301           49391 hda1
  0302         1992816 hda2
  0303        30985416 hda3
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(22,2)