linux-kernel - [RFC PATCH v2 02/10] firmware: arm_scmi: Document that max

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Message-ID: <20201105212116.411422-3-peter.hilber@opensynergy.com>
Date:   Thu, 5 Nov 2020 22:21:08 +0100
From:   Peter Hilber <peter.hilber@...nsynergy.com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>
CC:     Igor Skalkin <igor.skalkin@...nsynergy.com>,
        Peter Hilber <peter.hilber@...nsynergy.com>,
        Rob Herring <robh+dt@...nel.org>,
        <linux-kernel@...r.kernel.org>, <sudeep.holla@....com>,
        <souvik.chakravarty@....com>, <alex.bennee@...aro.org>,
        <jean-philippe@...aro.org>, <mikhail.golubev@...nsynergy.com>,
        <anton.yakovlev@...nsynergy.com>
Subject: [RFC PATCH v2 02/10] firmware: arm_scmi: Document that max_msg is a per channel type limit

From: Igor Skalkin <igor.skalkin@...nsynergy.com>

struct scmi_desc.max_msg specifies a limit for the pending messages.
This limit is a per SCMI channel type (tx, rx) limit. State that
explicitly in the inline documentation. The following patch will add an
op to override the limit per channel type.

Co-developed-by: Peter Hilber <peter.hilber@...nsynergy.com>
Signed-off-by: Peter Hilber <peter.hilber@...nsynergy.com>
Signed-off-by: Igor Skalkin <igor.skalkin@...nsynergy.com>
---
 drivers/firmware/arm_scmi/common.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index aed192238177..38e6aabbe3dd 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -231,8 +231,8 @@ struct scmi_transport_ops {
  *
  * @ops: Pointer to the transport specific ops structure
  * @max_rx_timeout_ms: Timeout for communication with SoC (in Milliseconds)
- * @max_msg: Maximum number of messages that can be pending
- *	simultaneously in the system
+ * @max_msg: Maximum number of messages for a channel type (tx or rx) that can
+ *	be pending simultaneously in the system
  * @max_msg_size: Maximum size of data per message that can be handled.
  */
 struct scmi_desc {
-- 
2.25.1