diff options
author | Dave Jiang <dave.jiang@intel.com> | 2021-07-15 21:44:41 +0300 |
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committer | Vinod Koul <vkoul@kernel.org> | 2021-07-21 07:39:16 +0300 |
commit | d9e5481fca74f870cf2fc2f90a0e77e85c0b5b86 (patch) | |
tree | ade36205b03f01058794b58b99db8d645e63520a /drivers/dma/idxd/init.c | |
parent | 448c3de8ac8353fc4447738ae3c56c4eb6c2131d (diff) | |
download | linux-d9e5481fca74f870cf2fc2f90a0e77e85c0b5b86.tar.xz |
dmaengine: dsa: move dsa_bus_type out of idxd driver to standalone
In preparation for dsa_drv compat support to be built-in, move the bus
code to its own compilation unit. A follow-on patch adds the compat
implementation. Recall that the compat implementation allows for the
deprecated / omnibus dsa_drv binding scheme rather than the idiomatic
organization of a full fledged bus driver per driver type.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162637468142.744545.2811632736881720857.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/idxd/init.c')
-rw-r--r-- | drivers/dma/idxd/init.c | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index 33a80f700ff8..9b797fcdfd7b 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -26,6 +26,7 @@ MODULE_VERSION(IDXD_DRIVER_VERSION); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Intel Corporation"); +MODULE_IMPORT_NS(IDXD); static bool sva = true; module_param(sva, bool, 0644); @@ -836,10 +837,6 @@ static int __init idxd_init_module(void) perfmon_init(); - err = idxd_register_bus_type(); - if (err < 0) - return err; - err = idxd_driver_register(&idxd_drv); if (err < 0) goto err_idxd_driver_register; @@ -877,7 +874,6 @@ err_idxd_user_driver_register: err_idxd_dmaengine_driver_register: idxd_driver_unregister(&idxd_drv); err_idxd_driver_register: - idxd_unregister_bus_type(); return err; } module_init(idxd_init_module); @@ -890,30 +886,6 @@ static void __exit idxd_exit_module(void) idxd_driver_unregister(&dsa_drv); pci_unregister_driver(&idxd_pci_driver); idxd_cdev_remove(); - idxd_unregister_bus_type(); perfmon_exit(); } module_exit(idxd_exit_module); - -int __idxd_driver_register(struct idxd_device_driver *idxd_drv, struct module *owner, - const char *mod_name) -{ - struct device_driver *drv = &idxd_drv->drv; - - if (!idxd_drv->type) { - pr_debug("driver type not set (%ps)\n", __builtin_return_address(0)); - return -EINVAL; - } - - drv->name = idxd_drv->name; - drv->bus = &dsa_bus_type; - drv->owner = owner; - drv->mod_name = mod_name; - - return driver_register(drv); -} - -void idxd_driver_unregister(struct idxd_device_driver *idxd_drv) -{ - driver_unregister(&idxd_drv->drv); -} |