From mboxrd@z Thu Jan 1 00:00:00 1970 From: Finn Thain Subject: [PATCH v3 14/23] ncr5380: Reduce max_lun limit Date: Mon, 21 Mar 2016 13:32:03 +1100 Message-ID: <20160321023153.323999176@telegraphics.com.au> References: <20160321023149.604138431@telegraphics.com.au> Return-path: Received: from kvm5.telegraphics.com.au ([98.124.60.144]:52836 "EHLO kvm5.telegraphics.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752007AbcCUEFb (ORCPT ); Mon, 21 Mar 2016 00:05:31 -0400 Content-Disposition: inline; filename=ncr5380-max_lun Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@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 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 Tested-by: Michael Schmitz --- 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 2016-03-21 13:31:33.000000000 +1100 +++ linux/drivers/scsi/NCR5380.c 2016-03-21 13:31:36.000000000 +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;