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Unverified Commit a4d8f64f authored by Leilk Liu's avatar Leilk Liu Committed by Mark Brown
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spi: mediatek: use correct mata->xfer_len when in fifo transfer 



when xfer_len is greater than 64 bytes and use fifo mode
to transfer, the actual length from the third time is mata->xfer_len
but not len in mtk_spi_interrupt().

Signed-off-by: default avatarLeilk Liu <leilk.liu@mediatek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 3511ba7d

drivers/spi/spi-mt65xx.c

+2 −2
Original line number Diff line number Diff line
@@ -522,11 +522,11 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id) 
		mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, len);

		mtk_spi_setup_packet(master);



		cnt = len / 4;

		cnt = mdata->xfer_len / 4;

		iowrite32_rep(mdata->base + SPI_TX_DATA_REG,

				trans->tx_buf + mdata->num_xfered, cnt);



		remainder = len % 4;

		remainder = mdata->xfer_len % 4;

		if (remainder > 0) {

			reg_val = 0;

			memcpy(&reg_val,