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spi: nxp-fspi: Ensure width is respected in spi-mem operations 

[ Upstream commit 007773e16a ]

Make use of a core helper to ensure the desired width is respected
when calling spi-mem operators.

Otherwise only the SPI controller will be matched with the flash chip,
which might lead to wrong widths. Also consider the width specified by
the user in the device tree.

Fixes: a5356aef6a ("spi: spi-mem: Add driver for NXP FlexSPI controller")
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20191211195730.26794-1-michael@walle.cc
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Michael Walle 2019-12-11 20:57:30 +01:00 committed by Greg Kroah-Hartman
parent d3054d709a
commit 9e713aa4c1
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-nxp-fspi.c
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@ -439,7 +439,7 @@ static bool nxp_fspi_supports_op(struct spi_mem *mem,
op->data.nbytes > f->devtype_data->txfifo)
return false;
return true;
return spi_mem_default_supports_op(mem, op);
}
/* Instead of busy looping invoke readl_poll_timeout functionality. */