linux-kernel - [RFC PATCH] spi: at91-usart: at91_usart_spi_transfer

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Message-ID: <20180901212350.GA89606@lkp-ib04>
Date:   Sun, 2 Sep 2018 05:23:50 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Radu Pirea <radu.pirea@...rochip.com>
Cc:     kbuild-all@...org, richard.genoud@...il.com, pirea.radu@...il.com,
        lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
        gregkh@...uxfoundation.org, jslaby@...e.com, broonie@...nel.org,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-serial@...r.kernel.org, Radu Pirea <radu.pirea@...rochip.com>
Subject: [RFC PATCH] spi: at91-usart: at91_usart_spi_transfer_one() can be
 static


Fixes: 5890bab41187 ("spi: at91-usart: add driver for at91-usart as spi")
Signed-off-by: kbuild test robot <fengguang.wu@...el.com>
---
 spi-at91-usart.c |   14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index 4712bd4..a924657 100644
--- a/drivers/spi/spi-at91-usart.c
+++ b/drivers/spi/spi-at91-usart.c
@@ -215,9 +215,9 @@ static int at91_usart_spi_setup(struct spi_device *spi)
 	return 0;
 }
 
-int at91_usart_spi_transfer_one(struct spi_controller *ctlr,
-				struct spi_device *spi,
-				struct spi_transfer *xfer)
+static int at91_usart_spi_transfer_one(struct spi_controller *ctlr,
+				       struct spi_device *spi,
+				       struct spi_transfer *xfer)
 {
 	struct at91_usart_spi *aus = spi_master_get_devdata(ctlr);
 
@@ -242,8 +242,8 @@ int at91_usart_spi_transfer_one(struct spi_controller *ctlr,
 	return 0;
 }
 
-int at91_usart_spi_prepare_message(struct spi_controller *ctlr,
-				   struct spi_message *message)
+static int at91_usart_spi_prepare_message(struct spi_controller *ctlr,
+					  struct spi_message *message)
 {
 	struct at91_usart_spi *aus = spi_master_get_devdata(ctlr);
 	struct spi_device *spi = message->spi;
@@ -256,8 +256,8 @@ int at91_usart_spi_prepare_message(struct spi_controller *ctlr,
 	return 0;
 }
 
-int at91_usart_spi_unprepare_message(struct spi_controller *ctlr,
-				     struct spi_message *message)
+static int at91_usart_spi_unprepare_message(struct spi_controller *ctlr,
+					    struct spi_message *message)
 {
 	struct at91_usart_spi *aus = spi_master_get_devdata(ctlr);