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[SCSI] correct transport class abstraction to work outside SCSI

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I recently tried to construct a totally generic transport class and
found there were certain features missing from the current abstract
transport class.  Most notable is that you have to hang the data on the
class_device but most of the API is framed in terms of the generic
device, not the class_device.

These changes are two fold

- Provide the class_device to all of the setup and configure APIs
- Provide and extra API to take the device and the attribute class and
  return the corresponding class_device

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley
2005-08-14 17:09:01 -05:00
committed by James Bottomley
parent 10c1b88987
commit d0a7e57400
6 changed files with 72 additions and 20 deletions
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11
drivers/scsi/scsi_transport_spi.c
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@@ -162,7 +162,8 @@ static inline enum spi_signal_type spi_signal_to_value(const char *name)
return SPI_SIGNAL_UNKNOWN;
}
static int spi_host_setup(struct device *dev)
static int spi_host_setup(struct transport_container *tc, struct device *dev,
struct class_device *cdev)
{
struct Scsi_Host *shost = dev_to_shost(dev);
@@ -196,7 +197,9 @@ static int spi_host_match(struct attribute_container *cont,
return &i->t.host_attrs.ac == cont;
}
static int spi_device_configure(struct device *dev)
static int spi_device_configure(struct transport_container *tc,
struct device *dev,
struct class_device *cdev)
{
struct scsi_device *sdev = to_scsi_device(dev);
struct scsi_target *starget = sdev->sdev_target;
@@ -214,7 +217,9 @@ static int spi_device_configure(struct device *dev)
return 0;
}
static int spi_setup_transport_attrs(struct device *dev)
static int spi_setup_transport_attrs(struct transport_container *tc,
struct device *dev,
struct class_device *cdev)
{
struct scsi_target *starget = to_scsi_target(dev);