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spi/bitbang: don't error out if there is no setup callback provided

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It's perfectly valid not to have a setup callback when the probe routine
does all the needed things. So don't even check for this case and trust
the caller.

Signed-off-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Uwe Kleine-König 2013-08-08 16:09:49 +02:00 • committed by Mark Brown
commit 52ade73621
1 changed files with 1 additions and 2 deletions
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3
drivers/spi/spi-bitbang.c
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@ -446,8 +446,7 @@ int spi_bitbang_start(struct spi_bitbang *bitbang)
master->setup = spi_bitbang_setup;
master->cleanup = spi_bitbang_cleanup;
}
} else if (!master->setup)
return -EINVAL;
}
/* driver may get busy before register() returns, especially
* if someone registered boardinfo for devices