diff options
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index f4eb447c565d..91f71305817b 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3072,15 +3072,14 @@ static int spi_controller_check_ops(struct spi_controller *ctlr) * The controller may implement only the high-level SPI-memory like * operations if it does not support regular SPI transfers, and this is * valid use case. - * If ->mem_ops is NULL, we request that at least one of the - * ->transfer_xxx() method be implemented. + * If ->mem_ops or ->mem_ops->exec_op is NULL, we request that at least + * one of the ->transfer_xxx() method be implemented. */ - if (ctlr->mem_ops) { - if (!ctlr->mem_ops->exec_op) - return -EINVAL; - } else if (!ctlr->transfer && !ctlr->transfer_one && + if (!ctlr->mem_ops || (ctlr->mem_ops && !ctlr->mem_ops->exec_op)) { + if (!ctlr->transfer && !ctlr->transfer_one && !ctlr->transfer_one_message) { - return -EINVAL; + return -EINVAL; + } } return 0; |