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| author | Finn Thain <fthain@telegraphics.com.au> | 2016-03-23 21:10:16 +1100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-04-11 16:57:09 -0400 |
| commit | e5d55d1abcef09f7440e6211d5bd673baf547630 (patch) | |
| tree | 15cecf89291ecf34f214ed59f79605424511259e /drivers/scsi/dtc.h | |
| parent | f825e40b235f4daf1c9017366809d34c7f5c8c7f (diff) | |
| download | lwn-e5d55d1abcef09f7440e6211d5bd673baf547630.tar.gz lwn-e5d55d1abcef09f7440e6211d5bd673baf547630.zip | |
ncr5380: Remove BOARD_REQUIRES_NO_DELAY macro
The io_recovery_delay macro is intended to insert a microsecond delay
between the chip register accesses that begin a DMA operation. This
is reportedly needed for some ISA boards.
Reverse the sense of the macro test so that in the common case,
where no delay is required, drivers need not define the macro.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/dtc.h')
| -rw-r--r-- | drivers/scsi/dtc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/dtc.h b/drivers/scsi/dtc.h index 1bc638730dda..718f95adcec6 100644 --- a/drivers/scsi/dtc.h +++ b/drivers/scsi/dtc.h @@ -28,6 +28,8 @@ #define NCR5380_bus_reset dtc_bus_reset #define NCR5380_info dtc_info +#define NCR5380_io_delay(x) udelay(x) + /* 15 12 11 10 1001 1100 0000 0000 */ |