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path: root/drivers/spi/spi-dw.c
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Diffstat (limited to 'drivers/spi/spi-dw.c')
-rw-r--r--drivers/spi/spi-dw.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 29f33143b795..b4508db2edcd 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -547,8 +547,7 @@ static int dw_spi_setup(struct spi_device *spi)
/* Only alloc on first setup */
chip = spi_get_ctldata(spi);
if (!chip) {
- chip = devm_kzalloc(&spi->dev, sizeof(struct chip_data),
- GFP_KERNEL);
+ chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
if (!chip)
return -ENOMEM;
spi_set_ctldata(spi, chip);
@@ -606,6 +605,14 @@ 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);
+ spi_set_ctldata(spi, NULL);
+}
+
/* Restart the controller, disable all interrupts, clean rx fifo */
static void spi_hw_init(struct dw_spi *dws)
{
@@ -661,6 +668,7 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
master->bus_num = dws->bus_num;
master->num_chipselect = dws->num_cs;
master->setup = dw_spi_setup;
+ master->cleanup = dw_spi_cleanup;
master->transfer_one_message = dw_spi_transfer_one_message;
master->max_speed_hz = dws->max_freq;