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authorFinn Thain <fthain@telegraphics.com.au>2014-11-12 06:11:53 +0100
committerChristoph Hellwig <hch@lst.de>2014-11-20 09:11:05 +0100
commit76f13b9321ec8f9550cd1557ed28ac6ae91e612c (patch)
treecb4066631e701617bc35131231469e2c8c343ccf /drivers/scsi/NCR5380.h
parentncr5380: Remove more useless prototypes (diff)
downloadlinux-76f13b9321ec8f9550cd1557ed28ac6ae91e612c.tar.xz
linux-76f13b9321ec8f9550cd1557ed28ac6ae91e612c.zip
ncr5380: Cleanup TAG_NEXT and TAG_NONE macros
Both atari_NCR5380.c and sun3_NCR5380.c core drivers #undef TAG_NONE and then redefine it. But the original definition is unused because NCR5380.c lacks support for tagged queueing. So just define it once. The TAG_NEXT macro only appears in the arguments to NCR5380_select() calls. But that routine doesn't use its tag argument as the tag was already assigned in NCR5380_main(). So remove the unused argument and the macro. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.de> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/NCR5380.h')
-rw-r--r--drivers/scsi/NCR5380.h11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h
index b1ed20aaf10e..b36e3b4a9d43 100644
--- a/drivers/scsi/NCR5380.h
+++ b/drivers/scsi/NCR5380.h
@@ -224,14 +224,11 @@
#define DISCONNECT_LONG 2
/*
- * These are "special" values for the tag parameter passed to NCR5380_select.
+ * "Special" value for the (unsigned char) command tag, to indicate
+ * I_T_L nexus instead of I_T_L_Q.
*/
-#define TAG_NEXT -1 /* Use next free tag */
-#define TAG_NONE -2 /*
- * Establish I_T_L nexus instead of I_T_L_Q
- * even on SCSI-II devices.
- */
+#define TAG_NONE 0xff
/*
* These are "special" values for the irq and dma_channel fields of the
@@ -323,7 +320,7 @@ static irqreturn_t NCR5380_intr(int irq, void *dev_id);
static void NCR5380_main(struct work_struct *work);
static void __maybe_unused NCR5380_print_options(struct Scsi_Host *instance);
static void NCR5380_reselect(struct Scsi_Host *instance);
-static int NCR5380_select(struct Scsi_Host *instance, Scsi_Cmnd * cmd, int tag);
+static int NCR5380_select(struct Scsi_Host *instance, Scsi_Cmnd *cmd);
#if defined(PSEUDO_DMA) || defined(REAL_DMA) || defined(REAL_DMA_POLL)
static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char *phase, int *count, unsigned char **data);
#endif