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| author | Matthew Wilcox <matthew@wil.cx> | 2006-02-07 07:54:46 -0700 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-02-27 22:55:09 -0600 |
| commit | 6ea3c0b2dac0d6a857d6bc010e544f4c901fff78 (patch) | |
| tree | 0650d6e8b5be747eb192e558dd90e875ca7a13fb /drivers/scsi/aic7xxx | |
| parent | b0dc1db15225d5801bf3105966c9ce12c5142013 (diff) | |
| download | kernel_samsung_smdk4412-6ea3c0b2dac0d6a857d6bc010e544f4c901fff78.tar.gz kernel_samsung_smdk4412-6ea3c0b2dac0d6a857d6bc010e544f4c901fff78.tar.bz2 kernel_samsung_smdk4412-6ea3c0b2dac0d6a857d6bc010e544f4c901fff78.zip | |
[SCSI] Add spi_populate_*_msg functions
Introduce new helpers:
- spi_populate_width_msg()
- spi_populate_sync_msg()
- spi_populate_ppr_msg()
and use them in drivers which already enable the SPI transport.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/aic7xxx')
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_core.c | 24 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_core.c | 24 |
2 files changed, 14 insertions, 34 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c index 342f77966a5..b6266fd3168 100644 --- a/drivers/scsi/aic7xxx/aic79xx_core.c +++ b/drivers/scsi/aic7xxx/aic79xx_core.c @@ -3762,11 +3762,8 @@ ahd_construct_sdtr(struct ahd_softc *ahd, struct ahd_devinfo *devinfo, { if (offset == 0) period = AHD_ASYNC_XFER_PERIOD; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXTENDED; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXT_SDTR_LEN; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXT_SDTR; - ahd->msgout_buf[ahd->msgout_index++] = period; - ahd->msgout_buf[ahd->msgout_index++] = offset; + ahd->msgout_index += spi_populate_sync_msg( + ahd->msgout_buf + ahd->msgout_index, period, offset); ahd->msgout_len += 5; if (bootverbose) { printf("(%s:%c:%d:%d): Sending SDTR period %x, offset %x\n", @@ -3783,10 +3780,8 @@ static void ahd_construct_wdtr(struct ahd_softc *ahd, struct ahd_devinfo *devinfo, u_int bus_width) { - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXTENDED; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXT_WDTR_LEN; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXT_WDTR; - ahd->msgout_buf[ahd->msgout_index++] = bus_width; + ahd->msgout_index += spi_populate_width_msg( + ahd->msgout_buf + ahd->msgout_index, bus_width); ahd->msgout_len += 4; if (bootverbose) { printf("(%s:%c:%d:%d): Sending WDTR %x\n", @@ -3813,14 +3808,9 @@ ahd_construct_ppr(struct ahd_softc *ahd, struct ahd_devinfo *devinfo, ppr_options |= MSG_EXT_PPR_PCOMP_EN; if (offset == 0) period = AHD_ASYNC_XFER_PERIOD; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXTENDED; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXT_PPR_LEN; - ahd->msgout_buf[ahd->msgout_index++] = MSG_EXT_PPR; - ahd->msgout_buf[ahd->msgout_index++] = period; - ahd->msgout_buf[ahd->msgout_index++] = 0; - ahd->msgout_buf[ahd->msgout_index++] = offset; - ahd->msgout_buf[ahd->msgout_index++] = bus_width; - ahd->msgout_buf[ahd->msgout_index++] = ppr_options; + ahd->msgout_index += spi_populate_ppr_msg( + ahd->msgout_buf + ahd->msgout_index, period, offset, + bus_width, ppr_options); ahd->msgout_len += 8; if (bootverbose) { printf("(%s:%c:%d:%d): Sending PPR bus_width %x, period %x, " diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c index 58ac46103eb..d37566978fb 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_core.c +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c @@ -2461,11 +2461,8 @@ ahc_construct_sdtr(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, { if (offset == 0) period = AHC_ASYNC_XFER_PERIOD; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXTENDED; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXT_SDTR_LEN; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXT_SDTR; - ahc->msgout_buf[ahc->msgout_index++] = period; - ahc->msgout_buf[ahc->msgout_index++] = offset; + ahc->msgout_index += spi_populate_sync_msg( + ahc->msgout_buf + ahc->msgout_index, period, offset); ahc->msgout_len += 5; if (bootverbose) { printf("(%s:%c:%d:%d): Sending SDTR period %x, offset %x\n", @@ -2482,10 +2479,8 @@ static void ahc_construct_wdtr(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, u_int bus_width) { - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXTENDED; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXT_WDTR_LEN; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXT_WDTR; - ahc->msgout_buf[ahc->msgout_index++] = bus_width; + ahc->msgout_index += spi_populate_width_msg( + ahc->msgout_buf + ahc->msgout_index, bus_width); ahc->msgout_len += 4; if (bootverbose) { printf("(%s:%c:%d:%d): Sending WDTR %x\n", @@ -2505,14 +2500,9 @@ ahc_construct_ppr(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, { if (offset == 0) period = AHC_ASYNC_XFER_PERIOD; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXTENDED; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXT_PPR_LEN; - ahc->msgout_buf[ahc->msgout_index++] = MSG_EXT_PPR; - ahc->msgout_buf[ahc->msgout_index++] = period; - ahc->msgout_buf[ahc->msgout_index++] = 0; - ahc->msgout_buf[ahc->msgout_index++] = offset; - ahc->msgout_buf[ahc->msgout_index++] = bus_width; - ahc->msgout_buf[ahc->msgout_index++] = ppr_options; + ahc->msgout_index += spi_populate_ppr_msg( + ahc->msgout_buf + ahc->msgout_index, period, offset, + bus_width, ppr_options); ahc->msgout_len += 8; if (bootverbose) { printf("(%s:%c:%d:%d): Sending PPR bus_width %x, period %x, " |