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samples: drivers: espi: Showcase OOB Rx asynchronous handling

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Add example to handle OOB host responses asynchronously.

Signed-off-by: Jose Alberto Meza <jose.a.meza.arellano@intel.com>
This commit is contained in:
Jose Alberto Meza 2020-11-24 13:59:34 -08:00 • committed by Anas Nashif
commit d38d913452
5 changed files with 296 additions and 80 deletions
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3
drivers/espi/espi_mchp_xec.c
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@ -531,7 +531,6 @@ static int espi_xec_receive_oob(const struct device *dev,
{
uint8_t err_mask = MCHP_ESPI_OOB_RX_STS_IBERR |
MCHP_ESPI_OOB_RX_STS_OVRUN;
struct espi_xec_data *data = (struct espi_xec_data *)(dev->data);
if (ESPI_OOB_REGS->TX_STS & err_mask) {
return -EIO;
@ -539,7 +538,7 @@ static int espi_xec_receive_oob(const struct device *dev,
#ifndef CONFIG_ESPI_OOB_CHANNEL_RX_ASYNC
int ret;
struct espi_xec_data *data = (struct espi_xec_data *)(dev->driver_data);
struct espi_xec_data *data = (struct espi_xec_data *)(dev->data);
/* Wait until ISR or timeout */
ret = k_sem_take(&data->rx_lock, K_MSEC(MAX_OOB_TIMEOUT));