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spi: sun6i: update max transfer size reported

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The spi-sun6i driver have already got the ability to do large transfers.
However, the max transfer size reported is still fifo depth - 1.

Update the max transfer size reported to the max value possible.

Reported-by: Martin Ayotte <martinayotte@gmail.com>
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Icenowy Zheng 2017-03-20 22:38:49 +08:00 committed by Mark Brown
parent 913f536c6c
commit 3288d5cb40
1 changed files with 1 additions and 3 deletions
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4
drivers/spi/spi-sun6i.c
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@ -194,9 +194,7 @@ static void sun6i_spi_set_cs(struct spi_device *spi, bool enable)
static size_t sun6i_spi_max_transfer_size(struct spi_device *spi) static size_t sun6i_spi_max_transfer_size(struct spi_device *spi)
{ {
struct sun6i_spi *sspi = spi_master_get_devdata(spi->master); return SUN6I_MAX_XFER_SIZE - 1;
return sspi->fifo_depth - 1;
} }
static int sun6i_spi_transfer_one(struct spi_master *master, static int sun6i_spi_transfer_one(struct spi_master *master,