drivers: spi_context: Refactor spi_context_wait_for_completion()

Refactor the code of this function to make it a bit easier to read.

Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
This commit is contained in:
Andrzej Głąbek 2023-01-19 11:54:40 +01:00 committed by Stephanos Ioannidis
commit 37665b5e95

View file

@ -135,11 +135,20 @@ static inline size_t spi_context_total_rx_len(struct spi_context *ctx);
static inline int spi_context_wait_for_completion(struct spi_context *ctx)
{
int status = 0;
bool wait;
#ifdef CONFIG_SPI_ASYNC
wait = !ctx->asynchronous;
#else
wait = true;
#endif
if (wait) {
k_timeout_t timeout;
/* Do not use any timeout in the slave mode, as in this case it is not
* known when the transfer will actually start and what the frequency
* will be.
/* Do not use any timeout in the slave mode, as in this case
* it is not known when the transfer will actually start and
* what the frequency will be.
*/
if (IS_ENABLED(CONFIG_SPI_SLAVE) && spi_context_is_slave(ctx)) {
timeout = K_FOREVER;
@ -155,21 +164,12 @@ static inline int spi_context_wait_for_completion(struct spi_context *ctx)
timeout = K_MSEC(timeout_ms);
}
#ifdef CONFIG_SPI_ASYNC
if (!ctx->asynchronous) {
if (k_sem_take(&ctx->sync, timeout)) {
LOG_ERR("Timeout waiting for transfer complete");
return -ETIMEDOUT;
}
status = ctx->sync_status;
}
#else
if (k_sem_take(&ctx->sync, timeout)) {
LOG_ERR("Timeout waiting for transfer complete");
return -ETIMEDOUT;
}
status = ctx->sync_status;
#endif /* CONFIG_SPI_ASYNC */
#ifdef CONFIG_SPI_SLAVE
if (spi_context_is_slave(ctx) && !status) {