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Commit d4f73714 authored by Ashish Kori's avatar Ashish Kori Committed by Gerrit - the friendly Code Review server
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spi: spi-geni-qcom: Don't initialize GSI channels for FIFO/SE_DMA mode 



Don't initialize GSI channels for FIFO/SE_DMA mode in SPI driver.

Change-Id: I600cb1a522a09c4e9cd2ee1cad3d3f6d4c66a358
Signed-off-by: default avatarAshish Kori <akori@codeaurora.org>
parent 1212c816

drivers/spi/spi-geni-qcom.c

+10 −7
Original line number Diff line number Diff line
@@ -913,11 +913,17 @@ static int spi_geni_prepare_transfer_hardware(struct spi_master *spi) 
		/* Transmit an entire FIFO worth of data per IRQ */

		mas->tx_wm = 1;



		mas->shared_se =

			(geni_read_reg(mas->base, GENI_IF_FIFO_DISABLE_RO) &

							FIFO_IF_DISABLE);

		if (mas->shared_se) {

			mas->tx = dma_request_slave_channel(mas->dev, "tx");

			if (IS_ERR_OR_NULL(mas->tx)) {

			dev_info(mas->dev, "Failed to get tx DMA ch %ld\n",

				dev_info(mas->dev,

					"Failed to get tx DMA ch %ld\n",

							PTR_ERR(mas->tx));

		} else {

				goto setup_ipc;

			}

			mas->rx = dma_request_slave_channel(mas->dev, "rx");

			if (IS_ERR_OR_NULL(mas->rx)) {

				dev_info(mas->dev, "Failed to get rx DMA ch %ld\n",
@@ -985,9 +991,6 @@ static int spi_geni_prepare_transfer_hardware(struct spi_master *spi) 
		if (mas->set_miso_sampling)

			spi_geni_set_sampling_rate(mas, major, minor);



		mas->shared_se =

			(geni_read_reg(mas->base, GENI_IF_FIFO_DISABLE_RO) &

							FIFO_IF_DISABLE);

		if (mas->dis_autosuspend)

			GENI_SE_DBG(mas->ipc, false, mas->dev,

					"Auto Suspend is disabled\n");