diff options
| author | Hannes Reinecke <hare@suse.de> | 2014-11-24 17:37:29 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-11-24 18:13:17 +0300 |
| commit | e858d930fe6c0baaad60bceb0aa1f44611eaf302 (patch) | |
| tree | f9034d300a4c9f4435ddba047837611a7bfd6bdd /drivers/scsi/esp_scsi.c | |
| parent | 8a9aeb45d0f16932f5dc78a48c09f5fc3ab13832 (diff) | |
| download | linux-e858d930fe6c0baaad60bceb0aa1f44611eaf302.tar.xz | |
esp_scsi: enable CONFIG2_FENAB for am53c974
CONFIG2_FENAB ('feature enable') changed definition between chip
revisions, from 'Latch SCSI Phase' to 'Latch SCSI Phase, display
chip ID upon reset, and enable 24 bit addresses'.
So only enable it for am53c974 where we know what it's doing.
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/esp_scsi.c')
| -rw-r--r-- | drivers/scsi/esp_scsi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index 8ea03af435ba..ce5bd52fe692 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -1343,6 +1343,8 @@ static int esp_data_bytes_sent(struct esp *esp, struct esp_cmd_entry *ent, (((unsigned int)esp_read8(ESP_TCMED)) << 8)); if (esp->rev == FASHME) ecount |= ((unsigned int)esp_read8(FAS_RLO)) << 16; + if (esp->rev == PCSCSI && (esp->config2 & ESP_CONFIG2_FENAB)) + ecount |= ((unsigned int)esp_read8(ESP_TCHI)) << 16; } bytes_sent = esp->data_dma_len; |