linux-kernel - [PATCH v2 6/7] mailbox: bcm-flexrm-mailbox: Set msg_queue

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Date:   Fri, 21 Jul 2017 12:25:41 +0530
From:   Anup Patel <anup.patel@...adcom.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Jassi Brar <jassisinghbrar@...il.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Scott Branden <sbranden@...adcom.com>,
        Ray Jui <rjui@...adcom.com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Anup Patel <anup.patel@...adcom.com>
Subject: [PATCH v2 6/7] mailbox: bcm-flexrm-mailbox: Set msg_queue_len for each channel

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@...adcom.com>
Reviewed-by: Scott Branden <scott.branden@...adcom.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 9873818..20055a0 100644
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1683,8 +1683,11 @@ 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