[PATCH] spi: dw: Remove unused dw_spi_cleanup function

[Axel Lin <axel.lin@xxxxxxxxxx>]

The dw_spi_cleanup() function was removed by commit c63f5da00845
"spi: dw: Don't call kfree for memory allocated by devm_kzalloc".

commit ec37e8e1f0e3 "spi: dw: migrate to generic queue infrastructure" added
dw_spi_cleanup() but never use it. So now I got below build warning:

  CC [M]  drivers/spi/spi-dw.o
drivers/spi/spi-dw.c:609:13: warning: 'dw_spi_cleanup' defined but not used [-Wunused-function]

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
 drivers/spi/spi-dw.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 9965e1b..29f3314 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -606,12 +606,6 @@ static int dw_spi_setup(struct spi_device *spi)
 	return 0;
 }
 
-static void dw_spi_cleanup(struct spi_device *spi)
-{
-	struct chip_data *chip = spi_get_ctldata(spi);
-	kfree(chip);
-}
-
 /* Restart the controller, disable all interrupts, clean rx fifo */
 static void spi_hw_init(struct dw_spi *dws)
 {
-- 
1.8.3.2



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