[PATCH] SPI: Renamed bitbang_transfer_setup to spi_bitbang_setup_transfer and export it
Renamed bitbang_transfer_setup to follow convention of other exported symbols from spi-bitbang. Exported spi_bitbang_setup_transfer to allow users of spi-bitbang to use the function in their own setup_transfer. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -138,8 +138,7 @@ static unsigned bitbang_txrx_32(
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return t->len - count;
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}
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static int
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bitbang_transfer_setup(struct spi_device *spi, struct spi_transfer *t)
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int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
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{
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struct spi_bitbang_cs *cs = spi->controller_state;
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u8 bits_per_word;
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@ -174,6 +173,7 @@ bitbang_transfer_setup(struct spi_device *spi, struct spi_transfer *t)
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return 0;
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}
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EXPORT_SYMBOL_GPL(spi_bitbang_setup_transfer);
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/**
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* spi_bitbang_setup - default setup for per-word I/O loops
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@ -203,7 +203,7 @@ int spi_bitbang_setup(struct spi_device *spi)
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if (!cs->txrx_word)
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return -EINVAL;
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retval = bitbang_transfer_setup(spi, NULL);
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retval = spi_bitbang_setup_transfer(spi, NULL);
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if (retval < 0)
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return retval;
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@ -454,7 +454,9 @@ int spi_bitbang_start(struct spi_bitbang *bitbang)
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bitbang->use_dma = 0;
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bitbang->txrx_bufs = spi_bitbang_bufs;
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if (!bitbang->master->setup) {
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bitbang->setup_transfer = bitbang_transfer_setup;
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if (!bitbang->setup_transfer)
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bitbang->setup_transfer =
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spi_bitbang_setup_transfer;
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bitbang->master->setup = spi_bitbang_setup;
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bitbang->master->cleanup = spi_bitbang_cleanup;
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}
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@ -57,6 +57,8 @@ struct spi_bitbang {
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extern int spi_bitbang_setup(struct spi_device *spi);
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extern void spi_bitbang_cleanup(const struct spi_device *spi);
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extern int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m);
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extern int spi_bitbang_setup_transfer(struct spi_device *spi,
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struct spi_transfer *t);
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/* start or stop queue processing */
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extern int spi_bitbang_start(struct spi_bitbang *spi);
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