Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
spi: imx: add i.MX51 ECSPI target mode support
ECSPI in i.MX51 and i.MX53 support target mode. Current code only support
i.MX53. Remove is_imx53_ecspi() check for target mode to support i.MX51.
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Link: https://patch.msgid.link/20251027110256.543314-1-carlos.song@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Carlos Song
and committed by
Mark Brown
4e92abd0
55d03b5b
+4
-5
+4
-5
drivers/spi/spi-imx.c
+4
-5
drivers/spi/spi-imx.c
···
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* is not functional for imx53 Soc, config SPI burst completed when
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* BURST_LENGTH + 1 bits are received
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*/
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-
if (spi_imx->target_mode && is_imx53_ecspi(spi_imx))
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+
if (spi_imx->target_mode)
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cfg &= ~MX51_ECSPI_CONFIG_SBBCTRL(channel);
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else
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cfg |= MX51_ECSPI_CONFIG_SBBCTRL(channel);
···
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/* Clear BL field and set the right value */
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ctrl &= ~MX51_ECSPI_CTRL_BL_MASK;
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-
if (spi_imx->target_mode && is_imx53_ecspi(spi_imx))
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+
if (spi_imx->target_mode)
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ctrl |= (spi_imx->target_burst * 8 - 1)
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<< MX51_ECSPI_CTRL_BL_OFFSET;
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else {
···
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spi_imx->rx_only = ((t->tx_buf == NULL)
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|| (t->tx_buf == spi->controller->dummy_tx));
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-
if (is_imx53_ecspi(spi_imx) && spi_imx->target_mode) {
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+
if (spi_imx->target_mode) {
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spi_imx->rx = mx53_ecspi_rx_target;
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spi_imx->tx = mx53_ecspi_tx_target;
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spi_imx->target_burst = t->len;
···
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struct spi_imx_data *spi_imx = spi_controller_get_devdata(spi->controller);
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int ret = 0;
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-
if (is_imx53_ecspi(spi_imx) &&
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-
transfer->len > MX53_MAX_TRANSFER_BYTES) {
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+
if (transfer->len > MX53_MAX_TRANSFER_BYTES) {
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dev_err(&spi->dev, "Transaction too big, max size is %d bytes\n",
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MX53_MAX_TRANSFER_BYTES);
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return -EMSGSIZE;