6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Daniel Wagner wagi@kernel.org
[ Upstream commit fea4952df0eeec4e1a295ebaac9f61c0065fae87 ]
Introducing a callback in struct bus_type so that a subsystem can hook up the getters directly. This approach avoids exposing random getters in any subsystems APIs.
Acked-by: Bjorn Helgaas bhelgaas@google.com Reviewed-by: Christoph Hellwig hch@lst.de Reviewed-by: Hannes Reinecke hare@suse.de Reviewed-by: Ming Lei ming.lei@redhat.com Acked-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Daniel Wagner wagi@kernel.org Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-1-27211e... Signed-off-by: Jens Axboe axboe@kernel.dk Stable-dep-of: a2d5a0072235 ("scsi: smartpqi: Use is_kdump_kernel() to check for kdump") Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/device/bus.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h index cdc4757217f9b..b18658bce2c38 100644 --- a/include/linux/device/bus.h +++ b/include/linux/device/bus.h @@ -48,6 +48,7 @@ struct fwnode_handle; * will never get called until they do. * @remove: Called when a device removed from this bus. * @shutdown: Called at shut-down time to quiesce the device. + * @irq_get_affinity: Get IRQ affinity mask for the device on this bus. * * @online: Called to put the device back online (after offlining it). * @offline: Called to put the device offline for hot-removal. May fail. @@ -87,6 +88,8 @@ struct bus_type { void (*sync_state)(struct device *dev); void (*remove)(struct device *dev); void (*shutdown)(struct device *dev); + const struct cpumask *(*irq_get_affinity)(struct device *dev, + unsigned int irq_vec);
int (*online)(struct device *dev); int (*offline)(struct device *dev);