Jeff Harris 387719c2ec
spi: Fix WARN when removing spi-fsl-spi module ...
If CPM mode is not used, the fsl_dummy_rx variable is never allocated. When
the cleanup attempts to free it, the reference count is zero and a WARN is
generated. The same CPM mode check used in the initialize is applied to the
free as well.
Tested on 2.6.33 with the previous spi_mpc8xxx driver. The renamed
spi-fsl-spi driver looks to have the same problem.
Signed-off-by: Jeff Harris <jeff_harris@kentrox.com >
Signed-off-by: Grant Likely <grant.likely@secretlab.ca >
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387719c2ec