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Commit ea616ee2 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Mark Brown
Browse files

spi: fsl-espi: change return type of fsl_espi_setup_transfer to void 



fsl_espi_setup_transfer always returns 0, so change the return type
to void.

Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6bdf03b3

drivers/spi/spi-fsl-espi.c

+4 −15
Original line number Diff line number Diff line
@@ -130,7 +130,7 @@ static u32 fsl_espi_tx_buf_lsb(struct mpc8xxx_spi *mpc8xxx_spi) 
	return data;

}



static int fsl_espi_setup_transfer(struct spi_device *spi,

static void fsl_espi_setup_transfer(struct spi_device *spi,

					struct spi_transfer *t)

{

	struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);
@@ -195,7 +195,6 @@ static int fsl_espi_setup_transfer(struct spi_device *spi, 
	cs->hw_mode |= CSMODE_PM(pm);



	fsl_espi_change_mode(spi);

	return 0;

}



static int fsl_espi_cpu_bufs(struct mpc8xxx_spi *mspi, struct spi_transfer *t,
@@ -292,13 +291,8 @@ static void fsl_espi_do_trans(struct spi_message *m, 
	spi_message_add_tail(&trans, &message);



	list_for_each_entry(t, &message.transfers, transfer_list) {

		if (t->bits_per_word || t->speed_hz) {

			status = -EINVAL;



			status = fsl_espi_setup_transfer(spi, t);

			if (status < 0)

				break;

		}

		if (t->bits_per_word || t->speed_hz)

			fsl_espi_setup_transfer(spi, t);



		if (t->len)

			status = fsl_espi_bufs(spi, t);
@@ -425,7 +419,6 @@ static int fsl_espi_setup(struct spi_device *spi) 
{

	struct mpc8xxx_spi *mpc8xxx_spi;

	struct fsl_espi_reg *reg_base;

	int retval;

	u32 hw_mode;

	u32 loop_mode;

	struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);
@@ -466,15 +459,11 @@ static int fsl_espi_setup(struct spi_device *spi) 
		loop_mode |= SPMODE_LOOP;

	mpc8xxx_spi_write_reg(&reg_base->mode, loop_mode);



	retval = fsl_espi_setup_transfer(spi, NULL);

	fsl_espi_setup_transfer(spi, NULL);



	pm_runtime_mark_last_busy(mpc8xxx_spi->dev);

	pm_runtime_put_autosuspend(mpc8xxx_spi->dev);



	if (retval < 0) {

		cs->hw_mode = hw_mode; /* Restore settings */

		return retval;

	}

	return 0;

}