diff options
Diffstat (limited to 'sys/dev/aic7xxx/aic79xx.c')
| -rw-r--r-- | sys/dev/aic7xxx/aic79xx.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/sys/dev/aic7xxx/aic79xx.c b/sys/dev/aic7xxx/aic79xx.c index 1b1d31769f90..2b5015b20e41 100644 --- a/sys/dev/aic7xxx/aic79xx.c +++ b/sys/dev/aic7xxx/aic79xx.c @@ -6229,6 +6229,9 @@ ahd_init(struct ahd_softc *ahd) size_t driver_data_size; int i; int error; +#ifdef AHD_TARGET_MODE + int tmode_enable; +#endif u_int warn_user; uint8_t current_sensing; uint8_t fstat; @@ -6261,8 +6264,22 @@ ahd_init(struct ahd_softc *ahd) /* * Only allow target mode features if this unit has them enabled. */ - if ((AHD_TMODE_ENABLE & (0x1 << ahd->unit)) == 0) +#ifdef AHD_TARGET_MODE + tmode_enable = ((AHD_TMODE_ENABLE & (0x1 << ahd->unit)) != 0); + resource_int_value(device_get_name(ahd->dev_softc), + device_get_unit(ahd->dev_softc), + "tmode_enable", &tmode_enable); + + if (tmode_enable == 0) { ahd->features &= ~AHD_TARGETMODE; + } else { + if (bootverbose && ((ahd->features & AHD_TARGETMODE) != 0)) + printf("%s: enabling target mode\n", ahd_name(ahd)); + } + +#else + ahd->features &= ~AHD_TARGETMODE; +#endif /* DMA tag for mapping buffers into device visible space. */ if (aic_dma_tag_create(ahd, ahd->parent_dmat, /*alignment*/1, @@ -8576,8 +8593,7 @@ ahd_loadseq(struct ahd_softc *ahd) if (sg_prefetch_align == 0) sg_prefetch_align = 8; /* Round down to the nearest power of 2. */ - while (powerof2(sg_prefetch_align) == 0) - sg_prefetch_align--; + sg_prefetch_align = rounddown_pow_of_two(sg_prefetch_align); cacheline_mask = sg_prefetch_align - 1; |