korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-30 07:34:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

spi: spi-stm32-qspi: using pm_runtime_resume_and_get instead of pm_runtime_get_sync

Browse Source 
Using pm_runtime_resume_and_get is more appropriate
for simplifing code

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20220412070906.2532091-1-chi.minghao@zte.com.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Minghao Chi 2022-04-12 07:09:06 +00:00 committed by Mark Brown
parent 8b1ea69a63
commit c6cf1fafb6
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 10 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/spi/spi-stm32-qspi.c
View File

@ -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);