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path: root/drivers/mfd/intel-lpss.h
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Diffstat (limited to 'drivers/mfd/intel-lpss.h')
-rw-r--r--drivers/mfd/intel-lpss.h42
1 files changed, 14 insertions, 28 deletions
diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h
index 062ce95b68b9..6f8f668f4c6f 100644
--- a/drivers/mfd/intel-lpss.h
+++ b/drivers/mfd/intel-lpss.h
@@ -11,16 +11,28 @@
#ifndef __MFD_INTEL_LPSS_H
#define __MFD_INTEL_LPSS_H
+#include <linux/bits.h>
#include <linux/pm.h>
+/*
+ * Some DSDTs have an unused GEXP ACPI device conflicting with I2C4 resources.
+ * Set to ignore resource conflicts with ACPI declared SystemMemory regions.
+ */
+#define QUIRK_IGNORE_RESOURCE_CONFLICTS BIT(0)
+/*
+ * Some devices have misconfigured clock divider due to a firmware bug.
+ * Set this to force the clock divider to 1:1 ratio.
+ */
+#define QUIRK_CLOCK_DIVIDER_UNITY BIT(1)
+
struct device;
struct resource;
struct software_node;
struct intel_lpss_platform_info {
struct resource *mem;
- bool ignore_resource_conflicts;
int irq;
+ unsigned int quirks;
unsigned long clk_rate;
const char *clk_con_id;
const struct software_node *swnode;
@@ -30,32 +42,6 @@ int intel_lpss_probe(struct device *dev,
const struct intel_lpss_platform_info *info);
void intel_lpss_remove(struct device *dev);
-#ifdef CONFIG_PM
-int intel_lpss_prepare(struct device *dev);
-int intel_lpss_suspend(struct device *dev);
-int intel_lpss_resume(struct device *dev);
-
-#ifdef CONFIG_PM_SLEEP
-#define INTEL_LPSS_SLEEP_PM_OPS \
- .prepare = intel_lpss_prepare, \
- SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_lpss_suspend, intel_lpss_resume)
-#else
-#define INTEL_LPSS_SLEEP_PM_OPS
-#endif
-
-#define INTEL_LPSS_RUNTIME_PM_OPS \
- .runtime_suspend = intel_lpss_suspend, \
- .runtime_resume = intel_lpss_resume,
-
-#else /* !CONFIG_PM */
-#define INTEL_LPSS_SLEEP_PM_OPS
-#define INTEL_LPSS_RUNTIME_PM_OPS
-#endif /* CONFIG_PM */
-
-#define INTEL_LPSS_PM_OPS(name) \
-const struct dev_pm_ops name = { \
- INTEL_LPSS_SLEEP_PM_OPS \
- INTEL_LPSS_RUNTIME_PM_OPS \
-}
+extern const struct dev_pm_ops intel_lpss_pm_ops;
#endif /* __MFD_INTEL_LPSS_H */