[SCSI] qla2xxx: Add acquiring of risc semaphore before doing ISP reset.
Try to acquire the semaphore; if semaphore is hung then acquire it by force. The ISP reset clears the semaphore, thereby implicitly releasing it. Signed-off-by: NJoe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: NSaurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>
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