diff options
Diffstat (limited to 'drivers/mfd/intel-lpss.c')
| -rw-r--r-- | drivers/mfd/intel-lpss.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c index 70c646b0097d..0e0ab9bb1530 100644 --- a/drivers/mfd/intel-lpss.c +++ b/drivers/mfd/intel-lpss.c @@ -502,6 +502,14 @@ int intel_lpss_suspend(struct device *dev) for (i = 0; i < LPSS_PRIV_REG_COUNT; i++) lpss->priv_ctx[i] = readl(lpss->priv + i * 4); + /* + * If the device type is not UART, then put the controller into + * reset. UART cannot be put into reset since S3/S0ix fail when + * no_console_suspend flag is enabled. + */ + if (lpss->type != LPSS_DEV_UART) + writel(0, lpss->priv + LPSS_PRIV_RESETS); + return 0; } EXPORT_SYMBOL_GPL(intel_lpss_suspend); |