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sbp2: check for ARM failure 

Sbp2 did not check for successful registration of the lower address range
when CONFIG_IEEE1394_SBP2_PHYS_DMA was set. If hpsb_register_addrspace
failed, a "login timed-out" would occur which is misleading. Now sbp2 logs
a sensible error message.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
This commit is contained in:
Stefan Richter 2006-03-28 19:59:42 -05:00 committed by Jody McIntyre
parent 180a43044f
commit 556640510d
1 changed files with 7 additions and 3 deletions
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10
drivers/ieee1394/sbp2.c
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@ -749,9 +749,13 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
#ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA
/* Handle data movement if physical dma is not
* enabled/supportedon host controller */
hpsb_register_addrspace(&sbp2_highlevel, ud->ne->host, &sbp2_physdma_ops,
0x0ULL, 0xfffffffcULL);
* enabled or not supported on host controller */
if (!hpsb_register_addrspace(&sbp2_highlevel, ud->ne->host,
&sbp2_physdma_ops,
0x0ULL, 0xfffffffcULL)) {
SBP2_ERR("failed to register lower 4GB address range");
goto failed_alloc;
}
#endif
}