[PATCH v3 3/3] dmaengine: mpc512x: initialize with subsys_initcall()

Alexander Popov alex.popov at linux.com
Fri Sep 25 03:28:57 AEST 2015


Initialize Freescale MPC512x DMA driver with subsys_initcall()
to allow the depending drivers to call dma_request_slave_channel()
during their probe.

Signed-off-by: Alexander Popov <alex.popov at linux.com>
---
 drivers/dma/mpc512x_dma.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index e6281e7..4f29d7c 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -1083,7 +1083,17 @@ static struct platform_driver mpc_dma_driver = {
 	},
 };
 
-module_platform_driver(mpc_dma_driver);
+static int __init mpc_dma_driver_init(void)
+{
+	return platform_driver_register(&mpc_dma_driver);
+}
+subsys_initcall(mpc_dma_driver_init);
+
+static void __exit mpc_dma_driver_exit(void)
+{
+	platform_driver_unregister(&mpc_dma_driver);
+}
+module_exit(mpc_dma_driver_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Piotr Ziecik <kosmo at semihalf.com>");
-- 
1.9.1



More information about the Linuxppc-dev mailing list