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-rw-r--r--drivers/soundwire/intel.c83
1 files changed, 41 insertions, 42 deletions
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index abe14436d874..15fe083e0402 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1391,6 +1391,38 @@ static int intel_start_bus_after_clock_stop(struct sdw_intel *sdw)
return 0;
}
+static int intel_stop_bus(struct sdw_intel *sdw, bool clock_stop)
+{
+ struct device *dev = sdw->cdns.dev;
+ struct sdw_cdns *cdns = &sdw->cdns;
+ bool wake_enable = false;
+ int ret;
+
+ if (clock_stop) {
+ ret = sdw_cdns_clock_stop(cdns, true);
+ if (ret < 0)
+ dev_err(dev, "%s: cannot stop clock: %d\n", __func__, ret);
+ else
+ wake_enable = true;
+ }
+
+ ret = sdw_cdns_enable_interrupt(cdns, false);
+ if (ret < 0) {
+ dev_err(dev, "%s: cannot disable interrupts: %d\n", __func__, ret);
+ return ret;
+ }
+
+ ret = intel_link_power_down(sdw);
+ if (ret) {
+ dev_err(dev, "%s: Link power down failed: %d\n", __func__, ret);
+ return ret;
+ }
+
+ intel_shim_wake(sdw, wake_enable);
+
+ return 0;
+}
+
static int sdw_master_read_intel_prop(struct sdw_bus *bus)
{
struct sdw_master_prop *prop = &bus->prop;
@@ -1790,20 +1822,12 @@ static int __maybe_unused intel_suspend(struct device *dev)
return 0;
}
- ret = sdw_cdns_enable_interrupt(cdns, false);
+ ret = intel_stop_bus(sdw, false);
if (ret < 0) {
- dev_err(dev, "cannot disable interrupts on suspend\n");
+ dev_err(dev, "%s: cannot stop bus: %d\n", __func__, ret);
return ret;
}
- ret = intel_link_power_down(sdw);
- if (ret) {
- dev_err(dev, "Link power down failed: %d\n", ret);
- return ret;
- }
-
- intel_shim_wake(sdw, false);
-
return 0;
}
@@ -1824,44 +1848,19 @@ static int __maybe_unused intel_suspend_runtime(struct device *dev)
clock_stop_quirks = sdw->link_res->clock_stop_quirks;
if (clock_stop_quirks & SDW_INTEL_CLK_STOP_TEARDOWN) {
-
- ret = sdw_cdns_enable_interrupt(cdns, false);
+ ret = intel_stop_bus(sdw, false);
if (ret < 0) {
- dev_err(dev, "cannot disable interrupts on suspend\n");
- return ret;
- }
-
- ret = intel_link_power_down(sdw);
- if (ret) {
- dev_err(dev, "Link power down failed: %d\n", ret);
+ dev_err(dev, "%s: cannot stop bus during teardown: %d\n",
+ __func__, ret);
return ret;
}
-
- intel_shim_wake(sdw, false);
-
- } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET ||
- !clock_stop_quirks) {
- bool wake_enable = true;
-
- ret = sdw_cdns_clock_stop(cdns, true);
- if (ret < 0) {
- dev_err(dev, "cannot enable clock stop on suspend\n");
- wake_enable = false;
- }
-
- ret = sdw_cdns_enable_interrupt(cdns, false);
+ } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET || !clock_stop_quirks) {
+ ret = intel_stop_bus(sdw, true);
if (ret < 0) {
- dev_err(dev, "cannot disable interrupts on suspend\n");
- return ret;
- }
-
- ret = intel_link_power_down(sdw);
- if (ret) {
- dev_err(dev, "Link power down failed: %d\n", ret);
+ dev_err(dev, "%s: cannot stop bus during clock_stop: %d\n",
+ __func__, ret);
return ret;
}
-
- intel_shim_wake(sdw, wake_enable);
} else {
dev_err(dev, "%s clock_stop_quirks %x unsupported\n",
__func__, clock_stop_quirks);