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spi: Remove the spi_set_speed and spi_cs_is_valid functions.

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spi_set_speed was never implemented, and spi_cs_is_valid was only implemented
as a stub and never called.

BUG=None
TEST=Built for rambi, falco, and peach_pit.
BRANCH=None

Change-Id: If30c2339f5e0360a5099eb540fab73fb23582905
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/192045
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
This commit is contained in:
Gabe Black 2014-03-27 20:06:03 -07:00 • committed by chrome-internal-fetch
commit 98c1f6014c
5 changed files with 0 additions and 41 deletions
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18
src/include/spi-generic.h
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@ -143,16 +143,6 @@ void spi_release_bus(struct spi_slave *slave);
int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bitsout,
void *din, unsigned int bitsin);
/*-----------------------------------------------------------------------
* Determine if a SPI chipselect is valid.
* This function is provided by the board if the low-level SPI driver
* needs it to determine if a given chipselect is actually valid.
*
* Returns: 1 if bus:cs identifies a valid chip on this board, 0
* otherwise.
*/
int spi_cs_is_valid(unsigned int bus, unsigned int cs);
/*-----------------------------------------------------------------------
* Activate a SPI chipselect.
* This function is provided by the board code when using a driver
@ -171,14 +161,6 @@ void spi_cs_activate(struct spi_slave *slave);
*/
void spi_cs_deactivate(struct spi_slave *slave);
/*-----------------------------------------------------------------------
* Set transfer speed.
* This sets a new speed to be applied for next spi_xfer().
* slave: The SPI slave
* hz: The transfer speed
*/
void spi_set_speed(struct spi_slave *slave, uint32_t hz);
/*-----------------------------------------------------------------------
* Write 8 bits, then read 8 bits.
* slave: The SPI slave we're communicating with