tree b3c02c43dea7476ae443fc4a81cba4f63072b714
parent 7873ca4e4401f0ecd8868bf1543113467e6bae61
author Nick Cheng <nick.cheng@areca.com.tw> 1274066562 +0800
committer James Bottomley <James.Bottomley@suse.de> 1274800841 -0500

[SCSI] arcmsr: Support HW reset for EH and polling scheme for scsi device

1. To support instantaneous report for SCSI device existing by periodic
   polling
2. In arcmsr_iop_xfer(), inform AP of F/W's deadlock state to prevent
   endless waiting
3. To block the coming SCSI command while the driver is handling bus reset
4. To support HW reset in bus reset error handler

Signed-off-by: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>