[PATCH] spi: spi-stm32-qspi: using pm_runtime_resume_and_get instead of pm_runtime_get_sync

From: cgel . zte
Date: Tue Apr 12 2022 - 04:40:56 EST


From: Minghao Chi <chi.minghao@xxxxxxxxxx>

Using pm_runtime_resume_and_get is more appropriate
for simplifing code

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
---
drivers/spi/spi-stm32-qspi.c | 30 ++++++++++--------------------
1 file changed, 10 insertions(+), 20 deletions(-)

diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c
index ffdc55f87e82..b3586521d08e 100644
--- a/drivers/spi/spi-stm32-qspi.c
+++ b/drivers/spi/spi-stm32-qspi.c
@@ -463,11 +463,9 @@ static int stm32_qspi_poll_status(struct spi_mem *mem, const struct spi_mem_op *
if (!spi_mem_supports_op(mem, op))
return -EOPNOTSUPP;

- ret = pm_runtime_get_sync(qspi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(qspi->dev);
+ ret = pm_runtime_resume_and_get(qspi->dev);
+ if (ret < 0)
return ret;
- }

mutex_lock(&qspi->lock);

@@ -490,11 +488,9 @@ static int stm32_qspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
struct stm32_qspi *qspi = spi_controller_get_devdata(mem->spi->master);
int ret;

- ret = pm_runtime_get_sync(qspi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(qspi->dev);
+ ret = pm_runtime_resume_and_get(qspi->dev);
+ if (ret < 0)
return ret;
- }

mutex_lock(&qspi->lock);
if (op->data.dir == SPI_MEM_DATA_IN && op->data.nbytes)
@@ -536,11 +532,9 @@ static ssize_t stm32_qspi_dirmap_read(struct spi_mem_dirmap_desc *desc,
u32 addr_max;
int ret;

- ret = pm_runtime_get_sync(qspi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(qspi->dev);
+ ret = pm_runtime_resume_and_get(qspi->dev);
+ if (ret < 0)
return ret;
- }

mutex_lock(&qspi->lock);
/* make a local copy of desc op_tmpl and complete dirmap rdesc
@@ -583,11 +577,9 @@ static int stm32_qspi_setup(struct spi_device *spi)
if (!spi->max_speed_hz)
return -EINVAL;

- ret = pm_runtime_get_sync(qspi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(qspi->dev);
+ ret = pm_runtime_resume_and_get(qspi->dev);
+ if (ret < 0)
return ret;
- }

presc = DIV_ROUND_UP(qspi->clk_rate, spi->max_speed_hz) - 1;

@@ -851,11 +843,9 @@ static int __maybe_unused stm32_qspi_resume(struct device *dev)

pinctrl_pm_select_default_state(dev);

- ret = pm_runtime_get_sync(dev);
- if (ret < 0) {
- pm_runtime_put_noidle(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
return ret;
- }

writel_relaxed(qspi->cr_reg, qspi->io_base + QSPI_CR);
writel_relaxed(qspi->dcr_reg, qspi->io_base + QSPI_DCR);
--
2.25.1