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drivers: spi: spi_xmc4xxx: Use spi_xmc4xxx_flush_rx() and minor cleanups

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Re-use spi_xmc4xxx_flush_rx(), remove extra \n and align function
arguments.

Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
This commit is contained in:
Andriy Gelman 2023-04-04 16:39:10 -04:00 • committed by Carles Cufí
commit 0695c089b5
1 changed files with 6 additions and 13 deletions
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19
drivers/spi/spi_xmc4xxx.c
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@ -90,6 +90,8 @@ static void spi_xmc4xxx_dma_callback(const struct device *dev_dma, void *arg, ui
k_sem_give(&data->status_sem);
}
#endif
static void spi_xmc4xxx_flush_rx(XMC_USIC_CH_t *spi)
{
uint32_t recv_status;
@ -102,7 +104,6 @@ static void spi_xmc4xxx_flush_rx(XMC_USIC_CH_t *spi)
XMC_SPI_CH_GetReceivedData(spi);
}
}
#endif
static void spi_xmc4xxx_shift_frames(const struct device *dev)
{
@ -261,7 +262,6 @@ static int spi_xmc4xxx_transceive(const struct device *dev, const struct spi_con
struct spi_xmc4xxx_data *data = dev->data;
const struct spi_xmc4xxx_config *config = dev->config;
struct spi_context *ctx = &data->ctx;
uint32_t recv_status;
int ret;
if (!tx_bufs && !rx_bufs) {
@ -278,19 +278,12 @@ static int spi_xmc4xxx_transceive(const struct device *dev, const struct spi_con
ret = spi_xmc4xxx_configure(dev, spi_cfg);
if (ret) {
LOG_DBG("SPI config on device %s failed\n", dev->name);
LOG_DBG("SPI config on device %s failed", dev->name);
spi_context_release(ctx, ret);
return ret;
}
/* flush out any received bytes */
recv_status = XMC_USIC_CH_GetReceiveBufferStatus(config->spi);
if (recv_status & USIC_CH_RBUFSR_RDV0_Msk) {
XMC_SPI_CH_GetReceivedData(config->spi);
}
if (recv_status & USIC_CH_RBUFSR_RDV1_Msk) {
XMC_SPI_CH_GetReceivedData(config->spi);
}
spi_xmc4xxx_flush_rx(config->spi);
spi_context_buffers_setup(ctx, tx_bufs, rx_bufs, 1);
@ -483,8 +476,8 @@ static int spi_xmc4xxx_transceive_dma(const struct device *dev, const struct spi
#endif
static int spi_xmc4xxx_transceive_sync(const struct device *dev, const struct spi_config *spi_cfg,
const struct spi_buf_set *tx_bufs,
const struct spi_buf_set *rx_bufs)
const struct spi_buf_set *tx_bufs,
const struct spi_buf_set *rx_bufs)
{
#if defined(CONFIG_SPI_XMC4XXX_DMA)
struct spi_xmc4xxx_data *data = dev->data;