[PATCH 5/6] mailbox: bcm-flexrm-mailbox: Set msg_queue_len for each channel

Anup Patel anup.patel at broadcom.com
Wed Jul 19 02:55:41 PDT 2017


The Broadcom FlexRM ring (i.e. mailbox channel) can handle
larger number of messages queued in one FlexRM ring hence
this patch sets msg_queue_len for each mailbox channel to
be same as RING_MAX_REQ_COUNT.

Signed-off-by: Anup Patel <anup.patel at broadcom.com>
Reviewed-by: Scott Branden <scott.branden at broadcom.com>
---
 drivers/mailbox/bcm-flexrm-mailbox.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c
index 46ad305..ec3d57b 100644
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1674,8 +1674,11 @@ static int flexrm_mbox_probe(struct platform_device *pdev)
 		ret = -ENOMEM;
 		goto fail_free_debugfs_root;
 	}
-	for (index = 0; index < mbox->num_rings; index++)
+	for (index = 0; index < mbox->num_rings; index++) {
+		mbox->controller.chans[index].msg_queue_len =
+						RING_MAX_REQ_COUNT;
 		mbox->controller.chans[index].con_priv = &mbox->rings[index];
+	}
 
 	/* Register mailbox controller */
 	ret = mbox_controller_register(&mbox->controller);
-- 
2.7.4




More information about the linux-arm-kernel mailing list