Commit d6b9ccbb authored by Hannes Reinecke's avatar Hannes Reinecke Committed by James Bottomley
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[SCSI] aic79xx: Print out signalling

This is a cross-port of a similar patch for aic7xxx;
only it's a bit simpler here as we don't support HVD
and all controller actually implement this register.
I hope.

Signed-off-by: default avatarHannes Reinecke <>
Signed-off-by: default avatarJames Bottomley <>
parent 9080063f
......@@ -2694,7 +2694,25 @@ static void ahd_linux_set_hold_mcs(struct scsi_target *starget, int hold)
ahd_unlock(ahd, &flags);
static void ahd_linux_get_signalling(struct Scsi_Host *shost)
struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
unsigned long flags;
u8 mode;
ahd_lock(ahd, &flags);
mode = ahd_inb(ahd, SBLKCTL);
ahd_unlock(ahd, &flags);
if (mode & ENAB40)
spi_signalling(shost) = SPI_SIGNAL_LVD;
else if (mode & ENAB20)
spi_signalling(shost) = SPI_SIGNAL_SE;
spi_signalling(shost) = SPI_SIGNAL_UNKNOWN;
static struct spi_function_template ahd_linux_transport_functions = {
.set_offset = ahd_linux_set_offset,
......@@ -2719,6 +2737,7 @@ static struct spi_function_template ahd_linux_transport_functions = {
.show_pcomp_en = 1,
.set_hold_mcs = ahd_linux_set_hold_mcs,
.show_hold_mcs = 1,
.get_signalling = ahd_linux_get_signalling,
static int __init
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