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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Mon, 03 Jun 2024 02:24:58 +0300
Subject: [PATCH RFC 5/7] usb: typec: ucsi: inline ucsi_read_message_in
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Message-Id: <20240603-ucsi-rework-interface-v1-5-99a6d544cec8@linaro.org>
References: <20240603-ucsi-rework-interface-v1-0-99a6d544cec8@linaro.org>
In-Reply-To: <20240603-ucsi-rework-interface-v1-0-99a6d544cec8@linaro.org>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>, 
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, 
 Maxime Coquelin <mcoquelin.stm32@gmail.com>, 
 Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Nikita Travkin <nikita@trvn.ru>, 
 Neil Armstrong <neil.armstrong@linaro.org>, linux-usb@vger.kernel.org, 
 linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, 
 linux-arm-kernel@lists.infradead.org

There is no need to have a separate wrapper for reading MESSAGE_IN data,
inline it to ucsi_run_command().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/usb/typec/ucsi/ucsi.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 54a2c505442f..ac4bd86b3fae 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -36,19 +36,6 @@
  */
 #define UCSI_SWAP_TIMEOUT_MS	5000
 
-static int ucsi_read_message_in(struct ucsi *ucsi, void *buf,
-					  size_t buf_size)
-{
-	/*
-	 * Below UCSI 2.0, MESSAGE_IN was limited to 16 bytes. Truncate the
-	 * reads here.
-	 */
-	if (ucsi->version <= UCSI_VERSION_1_2)
-		buf_size = clamp(buf_size, 0, 16);
-
-	return ucsi->ops->read_message_in(ucsi, buf, buf_size);
-}
-
 static int ucsi_acknowledge(struct ucsi *ucsi, bool conn_ack)
 {
 	u64 ctrl;
@@ -70,6 +57,13 @@ static int ucsi_run_command(struct ucsi *ucsi, u64 command, u32 *cci,
 
 	*cci = 0;
 
+	/*
+	 * Below UCSI 2.0, MESSAGE_IN was limited to 16 bytes. Truncate the
+	 * reads here.
+	 */
+	if (ucsi->version <= UCSI_VERSION_1_2)
+		size = clamp(size, 0, 16);
+
 	ret = ucsi->ops->sync_control(ucsi, command);
 	if (ret)
 		return ret;
@@ -98,7 +92,7 @@ static int ucsi_run_command(struct ucsi *ucsi, u64 command, u32 *cci,
 	}
 
 	if (data) {
-		ret = ucsi_read_message_in(ucsi, data, size);
+		ret = ucsi->ops->read_message_in(ucsi, data, size);
 		if (ret)
 			return ret;
 	}

-- 
2.39.2