[PATCH v3 10/12] scsi/ncr5380: Expedite register polling
From: linux@armlinux.org.uk (Russell King - ARM Linux)
Date: 2016-10-10 09:18:27
Also in:
linux-scsi, lkml
On Mon, Oct 10, 2016 at 12:46:53AM -0400, Finn Thain wrote:
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 <redacted> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Ondrej Zary <redacted> Tested-by: Michael Schmitz <schmitzmic@gmail.com> ---
quoted hunk ↗ jump to hunk
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c index ae1d4c6..fb7600d 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
This seems to be non-obviously unrelated to this commit - should it be in some other commit? -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.