diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-qup.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index 810a7fae3479..e42ff613c0e0 100644 --- a/drivers/spi/spi-qup.c +++ b/drivers/spi/spi-qup.c @@ -937,6 +937,10 @@ static int spi_qup_pm_suspend_runtime(struct device *device) config = readl(controller->base + QUP_CONFIG); config |= QUP_CONFIG_CLOCK_AUTO_GATE; writel_relaxed(config, controller->base + QUP_CONFIG); + + clk_disable_unprepare(controller->cclk); + clk_disable_unprepare(controller->iclk); + return 0; } @@ -945,6 +949,15 @@ static int spi_qup_pm_resume_runtime(struct device *device) struct spi_master *master = dev_get_drvdata(device); struct spi_qup *controller = spi_master_get_devdata(master); u32 config; + int ret; + + ret = clk_prepare_enable(controller->iclk); + if (ret) + return ret; + + ret = clk_prepare_enable(controller->cclk); + if (ret) + return ret; /* Disable clocks auto gaiting */ config = readl_relaxed(controller->base + QUP_CONFIG); |