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scsi: ufs: Add Multi-Circular Queue support
Adds MCQ support to UFS. The design uses shared tags across all the hw queues. The queue-depth is chosen within range supported by controller & device. It also takes EXT_IID into account while choosing the queue depth. It supports default, read, poll and a dev cmd queue. It enables MCQ after determining the queue-depth that the ufs device supports. Co-developed-by: Can Guo <quic_cang@quicinc.com> Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com> Signed-off-by: Can Guo <quic_cang@quicinc.com>
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