[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>
diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index 0525c99..6c3da64 100644
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -138,8 +138,7 @@
return t->len - count;
}
-static int
-bitbang_transfer_setup(struct spi_device *spi, struct spi_transfer *t)
+int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
{
struct spi_bitbang_cs *cs = spi->controller_state;
u8 bits_per_word;
@@ -174,6 +173,7 @@
return 0;
}
+EXPORT_SYMBOL_GPL(spi_bitbang_setup_transfer);
/**
* spi_bitbang_setup - default setup for per-word I/O loops
@@ -203,7 +203,7 @@
if (!cs->txrx_word)
return -EINVAL;
- retval = bitbang_transfer_setup(spi, NULL);
+ retval = spi_bitbang_setup_transfer(spi, NULL);
if (retval < 0)
return retval;
@@ -454,7 +454,9 @@
bitbang->use_dma = 0;
bitbang->txrx_bufs = spi_bitbang_bufs;
if (!bitbang->master->setup) {
- bitbang->setup_transfer = bitbang_transfer_setup;
+ if (!bitbang->setup_transfer)
+ bitbang->setup_transfer =
+ spi_bitbang_setup_transfer;
bitbang->master->setup = spi_bitbang_setup;
bitbang->master->cleanup = spi_bitbang_cleanup;
}