diff options
Diffstat (limited to 'drivers/scsi/scsi_transport_spi.c')
| -rw-r--r-- | drivers/scsi/scsi_transport_spi.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 8a172d4f4564..5fbeadd96819 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -597,6 +597,28 @@ static DEVICE_ATTR(signalling, S_IRUGO, show_spi_host_signalling, store_spi_host_signalling); +static ssize_t show_spi_host_width(struct device *cdev, + struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = transport_class_to_shost(cdev); + + return sprintf(buf, "%s\n", shost->max_id == 16 ? "wide" : "narrow"); +} +static DEVICE_ATTR(host_width, S_IRUGO, + show_spi_host_width, NULL); + +static ssize_t show_spi_host_hba_id(struct device *cdev, + struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = transport_class_to_shost(cdev); + + return sprintf(buf, "%d\n", shost->this_id); +} +static DEVICE_ATTR(hba_id, S_IRUGO, + show_spi_host_hba_id, NULL); + #define DV_SET(x, y) \ if(i->f->set_##x) \ i->f->set_##x(sdev->sdev_target, y) @@ -1380,6 +1402,8 @@ static DECLARE_ANON_TRANSPORT_CLASS(spi_device_class, static struct attribute *host_attributes[] = { &dev_attr_signalling.attr, + &dev_attr_host_width.attr, + &dev_attr_hba_id.attr, NULL }; |