spi: bcm-qspi: Convert to use CS GPIO descriptors (27fb2313) · Commits · 戴 / test

Set use_gpio_descriptors to true and avoid asserting the native chip select if the spi core has done it for us. Signed-off-by:

drivers/spi/spi-bcm-qspi.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -803,6 +803,7 @@ static int bcm_qspi_bspi_exec_mem_op(struct spi_device *spi,
		return -EIO;

		from = op->addr.val;
		if (!spi->cs_gpiod)
		bcm_qspi_chip_select(qspi, spi->chip_select);
		bcm_qspi_write(qspi, MSPI, MSPI_WRITE_LOCK, 0);

		@@ -882,6 +883,7 @@ static int bcm_qspi_transfer_one(struct spi_master *master,
		int slots;
		unsigned long timeo = msecs_to_jiffies(100);

		if (!spi->cs_gpiod)
		bcm_qspi_chip_select(qspi, spi->chip_select);
		qspi->trans_pos.trans = trans;
		qspi->trans_pos.byte = 0;
		@@ -1234,6 +1236,7 @@ int bcm_qspi_probe(struct platform_device *pdev,
		master->cleanup = bcm_qspi_cleanup;
		master->dev.of_node = dev->of_node;
		master->num_chipselect = NUM_CHIPSELECT;
		master->use_gpio_descriptors = true;

		qspi->big_endian = of_device_is_big_endian(dev->of_node);