Messages in this thread Patch in this message | | | From | Lin Ming <> | Subject | [PATCH v6 01/11] [SCSI]: add wrapper to access and set scsi_bus_type in struct acpi_bus_type | Date | Mon, 25 Jun 2012 16:13:02 +0800 |
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From: Holger Macht <holger@homac.de>
For being able to bind ata devices against acpi devices, scsi_bus_type needs to be set as bus in struct acpi_bus_type. So add wrapper to scsi_lib to accomplish that.
Signed-off-by: Holger Macht <holger@homac.de> Signed-off-by: Lin Ming <ming.m.lin@intel.com> --- drivers/scsi/scsi_lib.c | 17 +++++++++++++++++ include/scsi/scsi.h | 10 ++++++++++ 2 files changed, 27 insertions(+)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 6dfb978..08f1e29 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -68,6 +68,23 @@ static struct scsi_host_sg_pool scsi_sg_pools[] = { struct kmem_cache *scsi_sdb_cache; +#ifdef CONFIG_ACPI +#include <acpi/acpi_bus.h> + +int scsi_register_acpi_bus_type(struct acpi_bus_type *bus) +{ + bus->bus = &scsi_bus_type; + return register_acpi_bus_type(bus); +} +EXPORT_SYMBOL_GPL(scsi_register_acpi_bus_type); + +void scsi_unregister_acpi_bus_type(struct acpi_bus_type *bus) +{ + unregister_acpi_bus_type(bus); +} +EXPORT_SYMBOL_GPL(scsi_unregister_acpi_bus_type); +#endif + /* * When to reinvoke queueing after a resource shortage. It's 3 msecs to * not change behaviour from the previous unplug mechanism, experimentation diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index f34a5a8..4527b3a 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -214,6 +214,16 @@ scsi_command_size(const unsigned char *cmnd) scsi_varlen_cdb_length(cmnd) : COMMAND_SIZE(cmnd[0]); } +#ifdef CONFIG_ACPI +struct acpi_bus_type; + +extern int +scsi_register_acpi_bus_type(struct acpi_bus_type *bus); + +extern void +scsi_unregister_acpi_bus_type(struct acpi_bus_type *bus); +#endif + /* * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft * T10/1561-D Revision 4 Draft dated 7th November 2002. -- 1.7.10
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