ctrl->auto_runtime_pm was wrongly set to true when adding
transfer_one_message() callback.
As explained in commit
6e6ccb3d4cdc ("spi: stm32-qspi: Add pm_runtime support")
the expected behavior is to prevent runtime suspends between each transfer.
Add needed pm_runtime API calls in stm32_qspi_transfer_one_message().
Fixes:
a557fca630cc ("spi: stm32_qspi: Add transfer_one_message() spi callback")
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20220829123250.2170562-1-patrice.chotard@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
if (!spi->cs_gpiod)
return -EOPNOTSUPP;
+ ret = pm_runtime_resume_and_get(qspi->dev);
+ if (ret < 0)
+ return ret;
+
mutex_lock(&qspi->lock);
gpiod_set_value_cansleep(spi->cs_gpiod, true);
msg->status = ret;
spi_finalize_current_message(ctrl);
+ pm_runtime_mark_last_busy(qspi->dev);
+ pm_runtime_put_autosuspend(qspi->dev);
+
return ret;
}
ctrl->mem_ops = &stm32_qspi_mem_ops;
ctrl->use_gpio_descriptors = true;
ctrl->transfer_one_message = stm32_qspi_transfer_one_message;
- ctrl->auto_runtime_pm = true;
ctrl->num_chipselect = STM32_QSPI_MAX_NORCHIP;
ctrl->dev.of_node = dev->of_node;