spi: imx: Nothing to do in setupxfer when transfer is NULL (abb1ff19) · Commits · 戴 / test

When the spi_transfer given in spi_imx_setupxfer is NULL then we have nothing to do. Bail out early in this case so that we do not have to test for t != NULL multiple times later. Signed-off-by:

Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by:

Mark Brown <broonie@kernel.org>

drivers/spi/spi-imx.c

+5 −5

Original line number	Diff line number	Diff line
		@@ -217,9 +217,6 @@ static bool spi_imx_can_dma(struct spi_master master, struct spi_device spi,
		if (!master->dma_rx)
		return false;

		if (!transfer)
		return false;

		bpw = transfer->bits_per_word;
		if (!bpw)
		bpw = spi->bits_per_word;
		@@ -895,8 +892,11 @@ static int spi_imx_setupxfer(struct spi_device *spi,
		struct spi_imx_config config;
		int ret;

		config.bpw = t ? t->bits_per_word : spi->bits_per_word;
		config.speed_hz = t ? t->speed_hz : spi->max_speed_hz;
		if (!t)
		return 0;

		config.bpw = t->bits_per_word;
		config.speed_hz = t->speed_hz;

		if (!config.speed_hz)
		config.speed_hz = spi->max_speed_hz;

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