diff options
| author |   Finn Thain <fthain@telegraphics.com.au> | 2016-10-10 00:46:53 -0400 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2016-11-08 17:29:48 -0500 |
| commit | 7c60663143c29ea64f51e692f950f8619e0e4c77 (patch) | |
| tree | ffbf801aafc04514ec6ae720998d64b26364bbff /drivers/scsi/arm | |
| parent | scsi: ncr5380: Pass hostdata pointer to register polling routines (diff) | |
| download | linux-dev-7c60663143c29ea64f51e692f950f8619e0e4c77.tar.xz linux-dev-7c60663143c29ea64f51e692f950f8619e0e4c77.zip | |
scsi: ncr5380: Expedite register polling
Avoid the call to NCR5380_poll_politely2() when possible. The call is
easily short-circuited on the PIO fast path, using the inline wrapper.
This requires that the NCR5380_read macro be made available before
any #include "NCR5380.h" so a few declarations have to be moved too.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/arm')
| -rw-r--r-- | drivers/scsi/arm/cumana_1.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c index ae1d4c6786de..fb7600dec5be 100644 --- a/drivers/scsi/arm/cumana_1.c +++ b/drivers/scsi/arm/cumana_1.c @@ -29,6 +29,10 @@ #define NCR5380_implementation_fields \ unsigned ctrl +struct NCR5380_hostdata; +static u8 cumanascsi_read(struct NCR5380_hostdata *, unsigned int); +static void cumanascsi_write(struct NCR5380_hostdata *, unsigned int, u8); + #include "../NCR5380.h" #define CTRL 0x16fc |