ACPI: Add acpi_handle_<level>() interfaces

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / acpi.h

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 87edfcc..9201ac1 100644 (file)
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -434,4 +434,47 @@ acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 #endif
 
+#ifdef CONFIG_ACPI
+__printf(3, 4)
+void acpi_handle_printk(const char *level, acpi_handle handle,
+                       const char *fmt, ...);
+#else  /* !CONFIG_ACPI */
+static inline __printf(3, 4) void
+acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
+#endif /* !CONFIG_ACPI */
+
+/*
+ * acpi_handle_<level>: Print message with ACPI prefix and object path
+ *
+ * These interfaces acquire the global namespace mutex to obtain an object
+ * path.  In interrupt context, it shows the object path as <n/a>.
+ */
+#define acpi_handle_emerg(handle, fmt, ...)                            \
+       acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
+#define acpi_handle_alert(handle, fmt, ...)                            \
+       acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
+#define acpi_handle_crit(handle, fmt, ...)                             \
+       acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
+#define acpi_handle_err(handle, fmt, ...)                              \
+       acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
+#define acpi_handle_warn(handle, fmt, ...)                             \
+       acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
+#define acpi_handle_notice(handle, fmt, ...)                           \
+       acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
+#define acpi_handle_info(handle, fmt, ...)                             \
+       acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
+
+/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */
+#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
+#define acpi_handle_debug(handle, fmt, ...)                            \
+       acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
+#else
+#define acpi_handle_debug(handle, fmt, ...)                            \
+({                                                                     \
+       if (0)                                                          \
+               acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
+       0;                                                              \
+})
+#endif
+
 #endif /*_LINUX_ACPI_H*/