Mugunthan V N 0061104764 drivers: spi: ti-qspi: wait for busy bit clear before data write/read ...

Data corruption is seen while reading/writing large data from/to qspi
device because the data register is over written or read before data
is ready which is denoted by busy bit in status register. SO adding
a busy bit check before writing/reading data to/from qspi device.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

2015-02-21 18:29:09 +09:00

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