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Fix Error: chip/s32k1xx_lpspi.c:581:9: error: unused function 's32k1xx_lpspi_[write|read]byte'

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-11-13 15:36:33 +08:00 committed by Xiang Xiao
parent 0f85cf7503
commit e0f1c41695
1 changed files with 0 additions and 101 deletions
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101
arch/arm/src/s32k1xx/s32k1xx_lpspi.c
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@ -380,47 +380,6 @@ static struct pm_callback_s g_spi1_pmcb =
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: s32k1xx_lpspi_getreg8
*
* Description:
* Get the contents of the SPI register at offset
*
* Input Parameters:
* priv - private SPI device structure
* offset - offset to the register of interest
*
* Returned Value:
* The contents of the 8-bit register
*
****************************************************************************/
static inline
uint8_t s32k1xx_lpspi_getreg8(struct s32k1xx_lpspidev_s *priv,
uint8_t offset)
{
return getreg8(priv->spibase + offset);
}
/****************************************************************************
* Name: s32k1xx_lpspi_putreg8
*
* Description:
* Write a 8-bit value to the SPI register at offset
*
* Input Parameters:
* priv - private SPI device structure
* offset - offset to the register of interest
* value - the 8-bit value to be written
*
****************************************************************************/
static inline void s32k1xx_lpspi_putreg8(struct s32k1xx_lpspidev_s *priv,
uint8_t offset, uint8_t value)
{
putreg8(value, priv->spibase + offset);
}
/****************************************************************************
* Name: s32k1xx_lpspi_getreg
*
@ -563,66 +522,6 @@ static inline void s32k1xx_lpspi_write_dword(struct s32k1xx_lpspidev_s
#endif
/****************************************************************************
* Name: s32k1xx_lpspi_readbyte
*
* Description:
* Read one byte from SPI
*
* Input Parameters:
* priv - Device-specific state data
*
* Returned Value:
* Byte as read
*
****************************************************************************/
static inline
uint8_t s32k1xx_lpspi_readbyte(struct s32k1xx_lpspidev_s *priv)
{
/* Wait until the receive buffer is not empty */
while ((s32k1xx_lpspi_getreg32(priv, S32K1XX_LPSPI_SR_OFFSET) &
LPSPI_SR_RDF) == 0)
{
}
/* Then return the received byte */
return s32k1xx_lpspi_getreg8(priv, S32K1XX_LPSPI_RDR_OFFSET);
}
/****************************************************************************
* Name: s32k1xx_lpspi_writebyte
*
* Description:
* Write one 8-bit frame to the SPI FIFO
*
* Input Parameters:
* priv - Device-specific state data
* byte - Byte to send
*
* Returned Value:
* None
*
****************************************************************************/
static inline
void s32k1xx_lpspi_writebyte(struct s32k1xx_lpspidev_s *priv,
uint8_t byte)
{
/* Wait until the transmit buffer is empty */
while ((s32k1xx_lpspi_getreg32(priv, S32K1XX_LPSPI_SR_OFFSET) &
LPSPI_SR_TDF) == 0)
{
}
/* Then send the byte */
s32k1xx_lpspi_putreg8(priv, S32K1XX_LPSPI_TDR_OFFSET, byte);
}
/****************************************************************************
* Name: s32k1xx_lpspi_9to16bitmode
*