From: Kunihiko Hayashi hayashi.kunihiko@socionext.com
commit 80bb73a9fbcde4ecc55e12f10c73fabbe68a24d1 upstream.
In uniphier_spi_remove(), there is a wrong code to get private data from the platform device, so the driver can't be removed properly.
The driver should get spi_master from the platform device and retrieve the private data from it.
Cc: stable@vger.kernel.org Fixes: 5ba155a4d4cc ("spi: add SPI controller driver for UniPhier SoC") Signed-off-by: Kunihiko Hayashi hayashi.kunihiko@socionext.com Link: https://lore.kernel.org/r/1640148492-32178-1-git-send-email-hayashi.kunihiko... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/spi/spi-uniphier.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
--- a/drivers/spi/spi-uniphier.c +++ b/drivers/spi/spi-uniphier.c @@ -767,12 +767,13 @@ out_master_put:
static int uniphier_spi_remove(struct platform_device *pdev) { - struct uniphier_spi_priv *priv = platform_get_drvdata(pdev); + struct spi_master *master = platform_get_drvdata(pdev); + struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
- if (priv->master->dma_tx) - dma_release_channel(priv->master->dma_tx); - if (priv->master->dma_rx) - dma_release_channel(priv->master->dma_rx); + if (master->dma_tx) + dma_release_channel(master->dma_tx); + if (master->dma_rx) + dma_release_channel(master->dma_rx);
clk_disable_unprepare(priv->clk);