From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Tue, 10 Sep 2013 07:51:30 +0000 (+0200)
Subject: spi: efm32: add spi_bitbang_stop to device remove callback
X-Git-Tag: firefly_0821_release~176^2~5010^2~32^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9191546f69ddefe66e46bbe9ba8d1872bc226553;p=firefly-linux-kernel-4.4.55.git

spi: efm32: add spi_bitbang_stop to device remove callback

This call is needed to cleanup the resources requested by
spi_bitbang_start in the probe callback.

Noticed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/drivers/spi/spi-efm32.c b/drivers/spi/spi-efm32.c
index d428a40778c1..18659fc6bef2 100644
--- a/drivers/spi/spi-efm32.c
+++ b/drivers/spi/spi-efm32.c
@@ -478,6 +478,8 @@ static int efm32_spi_remove(struct platform_device *pdev)
 	struct spi_master *master = platform_get_drvdata(pdev);
 	struct efm32_spi_ddata *ddata = spi_master_get_devdata(master);
 
+	spi_bitbang_stop(&ddata->bitbang);
+
 	efm32_spi_write32(ddata, 0, REG_IEN);
 
 	free_irq(ddata->txirq, ddata);