[SCSI] ipr: Better handle adapter boot time errors
If an ipr adapter encounters an adapter error requiring an adapter reset to recover from prior to driver load time, the error will be ignored and recovery will not happen until the initial timeout occurs waiting for the firmware to come ready, which means a five minute timeout. Fix is to read the interrupt register before clearing any of the interrupts at probe time. Signed-off-by: NBrian King <brking@linux.vnet.ibm.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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