linux-kernel - [PATCH] spi: mpc52xx-psc: Make mpc52xx_psc_spi_transfer_one

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Message-Id: <20231006112945.1491265-1-geert+renesas@glider.be>
Date:   Fri,  6 Oct 2023 13:29:45 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Mark Brown <broonie@...nel.org>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] spi: mpc52xx-psc: Make mpc52xx_psc_spi_transfer_one_message() static

With W=1:

    drivers/spi/spi-mpc52xx-psc.c:178:5: warning: no previous prototype for ‘mpc52xx_psc_spi_transfer_one_message’ [-Wmissing-prototypes]
      178 | int mpc52xx_psc_spi_transfer_one_message(struct spi_controller *ctlr,
	  |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

mpc52xx_psc_spi_transfer_one_message() is only used inside the file that
defines it.  Hence fix this by making it static.

Fixes: 145cfc3840e5931a ("spi: mpc52xx-psc: Switch to using core message queue")
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310061815.7Rtyi4hs-lkp@intel.com/
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/spi/spi-mpc52xx-psc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-mpc52xx-psc.c b/drivers/spi/spi-mpc52xx-psc.c
index 78405cb45c961ff9..28f06122edac5632 100644
--- a/drivers/spi/spi-mpc52xx-psc.c
+++ b/drivers/spi/spi-mpc52xx-psc.c
@@ -175,8 +175,8 @@ static int mpc52xx_psc_spi_transfer_rxtx(struct spi_device *spi,
 	return 0;
 }
 
-int mpc52xx_psc_spi_transfer_one_message(struct spi_controller *ctlr,
-					 struct spi_message *m)
+static int mpc52xx_psc_spi_transfer_one_message(struct spi_controller *ctlr,
+						struct spi_message *m)
 {
 	struct spi_device *spi;
 	struct spi_transfer *t = NULL;
-- 
2.34.1