Add copy_to_iter(), copy_from_iter() and iov_iter_zero()

[deliverable/linux.git] / drivers / spi / spi-fsl-spi.c

diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 9452f6740997b1970e8645e4cd141010b5389b38..590f31bc0aba17d6640357aca6c971cb9297c9e1 100644 (file)
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -425,16 +425,16 @@ static int fsl_spi_setup(struct spi_device *spi)
        struct fsl_spi_reg *reg_base;
        int retval;
        u32 hw_mode;
-       struct spi_mpc8xxx_cs   *cs = spi->controller_state;
+       struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);
 
        if (!spi->max_speed_hz)
                return -EINVAL;
 
        if (!cs) {
-               cs = devm_kzalloc(&spi->dev, sizeof(*cs), GFP_KERNEL);
+               cs = kzalloc(sizeof(*cs), GFP_KERNEL);
                if (!cs)
                        return -ENOMEM;
-               spi->controller_state = cs;
+               spi_set_ctldata(spi, cs);
        }
        mpc8xxx_spi = spi_master_get_devdata(spi->master);
 
@@ -496,9 +496,13 @@ static int fsl_spi_setup(struct spi_device *spi)
 static void fsl_spi_cleanup(struct spi_device *spi)
 {
        struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);
+       struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);
 
        if (mpc8xxx_spi->type == TYPE_GRLIB && gpio_is_valid(spi->cs_gpio))
                gpio_free(spi->cs_gpio);
+
+       kfree(cs);
+       spi_set_ctldata(spi, NULL);
 }
 
 static void fsl_spi_cpu_irq(struct mpc8xxx_spi *mspi, u32 events)