Merge tag 'soundwire-6.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire fix from Vinod Koul:

 - Single AMD driver fix for wake interrupt handling in clockstop mode

* tag 'soundwire-6.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: amd: fix for wake interrupt handling for clockstop mode

Author: torvalds

drivers/soundwire/amd_manager.c

@@ -130,6 +130,19 @@ static void amd_sdw_set_frameshape(struct amd_sdw_manager *amd_manager)
 	writel(frame_size, amd_manager->mmio + ACP_SW_FRAMESIZE);
 }
 
+static void amd_sdw_wake_enable(struct amd_sdw_manager *amd_manager, bool enable)
+{
+	u32 wake_ctrl;
+
+	wake_ctrl = readl(amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_MASK_8TO11);
+	if (enable)
+		wake_ctrl |= AMD_SDW_WAKE_INTR_MASK;
+	else
+		wake_ctrl &= ~AMD_SDW_WAKE_INTR_MASK;
+
+	writel(wake_ctrl, amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_MASK_8TO11);
+}
+
 static void amd_sdw_ctl_word_prep(u32 *lower_word, u32 *upper_word, struct sdw_msg *msg,
 				  int cmd_offset)
 {
@@ -1095,6 +1108,7 @@ static int __maybe_unused amd_suspend(struct device *dev)
 	}
 
 	if (amd_manager->power_mode_mask & AMD_SDW_CLK_STOP_MODE) {
+		amd_sdw_wake_enable(amd_manager, false);
 		return amd_sdw_clock_stop(amd_manager);
 	} else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) {
 		/*
@@ -1121,6 +1135,7 @@ static int __maybe_unused amd_suspend_runtime(struct device *dev)
 		return 0;
 	}
 	if (amd_manager->power_mode_mask & AMD_SDW_CLK_STOP_MODE) {
+		amd_sdw_wake_enable(amd_manager, true);
 		return amd_sdw_clock_stop(amd_manager);
 	} else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) {
 		ret = amd_sdw_clock_stop(amd_manager);

drivers/soundwire/amd_manager.h

@@ -152,7 +152,7 @@
 #define AMD_SDW0_EXT_INTR_MASK		0x200000
 #define AMD_SDW1_EXT_INTR_MASK		4
 #define AMD_SDW_IRQ_MASK_0TO7		0x77777777
-#define AMD_SDW_IRQ_MASK_8TO11		0x000d7777
+#define AMD_SDW_IRQ_MASK_8TO11		0x000c7777
 #define AMD_SDW_IRQ_ERROR_MASK		0xff
 #define AMD_SDW_MAX_FREQ_NUM		1
 #define AMD_SDW0_MAX_TX_PORTS		3
@@ -190,6 +190,7 @@
 #define AMD_SDW_CLK_RESUME_REQ				2
 #define AMD_SDW_CLK_RESUME_DONE				3
 #define AMD_SDW_WAKE_STAT_MASK				BIT(16)
+#define AMD_SDW_WAKE_INTR_MASK				BIT(16)
 
 static u32 amd_sdw_freq_tbl[AMD_SDW_MAX_FREQ_NUM] = {
 	AMD_SDW_DEFAULT_CLK_FREQ,