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According to JESD223F, the maximum number of queues (MAXQ) is 32. When MCQ is enabled and ESI is disabled, nr_hw_queues=32 causes a shift overflow problem. Fix this by using 64-bit intermediate values to handle the nr_hw_queues=32 case safely. Signed-off-by: wangshuaiwei <wangshuaiwei1@xiaomi.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Link: https://patch.msgid.link/20260224063228.50112-1-wangshuaiwei1@xiaomi.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>