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Diffstat (limited to 'drivers/scsi/scsi_transport_spi.c')
-rw-r--r--drivers/scsi/scsi_transport_spi.c24
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
};