* @param dpc_h : tasklet handle
* @param pdev : pci configuration pointer for kernel
* @param host : pointer to host structure of mid-layer
* @param dpc_h : tasklet handle
* @param pdev : pci configuration pointer for kernel
* @param host : pointer to host structure of mid-layer
* @param lock : synchronization lock for mid-layer and driver
* @param quiescent : driver is quiescent for now.
* @param outstanding_cmds : number of commands pending in the driver
* @param lock : synchronization lock for mid-layer and driver
* @param quiescent : driver is quiescent for now.
* @param outstanding_cmds : number of commands pending in the driver