From 35c3363363ac7c8877b4984cdd8a2af377a4e92e Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Sat, 2 Nov 2019 12:06:54 +1100 Subject: scsi: core: Clean up SG_NONE Remove SG_NONE and a related misleading comment. Update documentation. This patch does not affect behaviour as zero initialization is redundant. Cc: Jonathan Corbet Cc: Bartlomiej Zolnierkiewicz Cc: Jens Axboe Cc: Viresh Kumar Cc: Oliver Neukum Cc: Alan Stern Cc: Greg Kroah-Hartman Cc: usb-storage@lists.one-eyed-alien.net Link: https://lore.kernel.org/r/b4779b7a6563f6bd8d259ee457871c1c463c420e.1572656814.git.fthain@telegraphics.com.au Signed-off-by: Finn Thain Signed-off-by: Martin K. Petersen --- include/scsi/scsi_host.h | 13 ------------- 1 file changed, 13 deletions(-) (limited to 'include/scsi/scsi_host.h') diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index fccdf84ec7e2..f577647bf5f2 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -23,19 +23,6 @@ struct scsi_host_cmd_pool; struct scsi_transport_template; -/* - * The various choices mean: - * NONE: Self evident. Host adapter is not capable of scatter-gather. - * ALL: Means that the host adapter module can do scatter-gather, - * and that there is no limit to the size of the table to which - * we scatter/gather data. The value we set here is the maximum - * single element sglist. To use chained sglists, the adapter - * has to set a value beyond ALL (and correctly use the chain - * handling API. - * Anything else: Indicates the maximum number of chains that can be - * used in one scatter-gather request. - */ -#define SG_NONE 0 #define SG_ALL SG_CHUNK_SIZE #define MODE_UNKNOWN 0x00 -- cgit v1.2.3