*/
#include <linux/spinlock.h>
-#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/errno.h>
/* allocate settings on the first call */
if (!cs) {
- cs = kzalloc(sizeof(struct s3c24xx_spi_devstate), GFP_KERNEL);
- if (!cs) {
- dev_err(&spi->dev, "no memory for controller state\n");
+ cs = devm_kzalloc(&spi->dev,
+ sizeof(struct s3c24xx_spi_devstate),
+ GFP_KERNEL);
+ if (!cs)
return -ENOMEM;
- }
cs->spcon = SPCON_DEFAULT;
cs->hz = -1;
return 0;
}
-static void s3c24xx_spi_cleanup(struct spi_device *spi)
-{
- kfree(spi->controller_state);
-}
-
static inline unsigned int hw_txbyte(struct s3c24xx_spi *hw, int count)
{
return hw->tx ? hw->tx[count] : 0;
hw->bitbang.txrx_bufs = s3c24xx_spi_txrx;
hw->master->setup = s3c24xx_spi_setup;
- hw->master->cleanup = s3c24xx_spi_cleanup;
dev_dbg(hw->dev, "bitbang at %p\n", &hw->bitbang);