From mboxrd@z Thu Jan 1 00:00:00 1970 From: Finn Thain Subject: [PATCH v2 14/22] ncr5380: Reduce max_lun limit Date: Wed, 16 Mar 2016 14:18:55 +1100 Message-ID: <20160316031845.451670102@telegraphics.com.au> References: <20160316031841.911913894@telegraphics.com.au> Return-path: Content-Disposition: inline; filename=ncr5380-max_lun Sender: linux-kernel-owner@vger.kernel.org To: "James E.J. Bottomley" , "Martin K. Petersen" , Michael Schmitz , linux-m68k@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ondrej Zary , Sam Creasey List-Id: linux-m68k@vger.kernel.org The driver has a limit of eight LUs because of the byte-sized bitfield that is used for busy flags. That means the maximum LUN is 7. The default is 8. Signed-off-by: Finn Thain --- Changed since v1: - Reduce shost->max_lun limit instead of adding 'MAX_LUN' limit. --- drivers/scsi/NCR5380.c | 2 ++ 1 file changed, 2 insertions(+) Index: linux/drivers/scsi/NCR5380.c =================================================================== --- linux.orig/drivers/scsi/NCR5380.c 2016-03-16 14:18:27.000000000 +1100 +++ linux/drivers/scsi/NCR5380.c 2016-03-16 14:18:29.000000000 +1100 @@ -488,6 +488,8 @@ static int NCR5380_init(struct Scsi_Host int i; unsigned long deadline; + instance->max_lun = 7; + hostdata->host = instance; hostdata->id_mask = 1 << instance->this_id; hostdata->id_higher_mask = 0;