3 files changed, 0 insertions, 55 deletions

diff --git a/sound/soc/intel/atom/sst/sst.c b/sound/soc/intel/atom/sst/sst.c
index 2d43b8693c0c..5ee92257ca85 100644
--- a/sound/soc/intel/atom/sst/sst.c
+++ b/sound/soc/intel/atom/sst/sst.c
@@ -382,21 +382,6 @@ void sst_context_cleanup(struct intel_sst_drv *ctx)
 }
 EXPORT_SYMBOL_GPL(sst_context_cleanup);
 
-static inline void sst_save_shim64(struct intel_sst_drv *ctx,
-			    void __iomem *shim,
-			    struct sst_shim_regs64 *shim_regs)
-{
-	unsigned long irq_flags;
-
-	spin_lock_irqsave(&ctx->ipc_spin_lock, irq_flags);
-
-	shim_regs->imrx = sst_shim_read64(shim, SST_IMRX);
-	shim_regs->csr = sst_shim_read64(shim, SST_CSR);
-
-
-	spin_unlock_irqrestore(&ctx->ipc_spin_lock, irq_flags);
-}
-
 void sst_configure_runtime_pm(struct intel_sst_drv *ctx)
 {
 	pm_runtime_set_autosuspend_delay(ctx->dev, SST_SUSPEND_DELAY);
@@ -416,8 +401,6 @@ void sst_configure_runtime_pm(struct intel_sst_drv *ctx)
 		pm_runtime_set_active(ctx->dev);
 	else
 		pm_runtime_put_noidle(ctx->dev);
-
-	sst_save_shim64(ctx, ctx->shim, ctx->shim_regs64);
 }
 EXPORT_SYMBOL_GPL(sst_configure_runtime_pm);
 
@@ -441,8 +424,6 @@ static int intel_sst_runtime_suspend(struct device *dev)
 	flush_workqueue(ctx->post_msg_wq);
 
 	ctx->ops->reset(ctx);
-	/* save the shim registers because PMC doesn't save state */
-	sst_save_shim64(ctx, ctx->shim, ctx->shim_regs64);
 
 	return ret;
 }
diff --git a/sound/soc/intel/atom/sst/sst.h b/sound/soc/intel/atom/sst/sst.h
index 5c9a51cc77aa..1693befa455a 100644
--- a/sound/soc/intel/atom/sst/sst.h
+++ b/sound/soc/intel/atom/sst/sst.h
@@ -317,26 +317,6 @@ struct sst_ipc_reg {
 	int ipcd;
 };
 
-struct sst_shim_regs64 {
-	u64 csr;
-	u64 pisr;
-	u64 pimr;
-	u64 isrx;
-	u64 isrd;
-	u64 imrx;
-	u64 imrd;
-	u64 ipcx;
-	u64 ipcd;
-	u64 isrsc;
-	u64 isrlpesc;
-	u64 imrsc;
-	u64 imrlpesc;
-	u64 ipcsc;
-	u64 ipclpesc;
-	u64 clkctl;
-	u64 csr2;
-};
-
 struct sst_fw_save {
 	void *iram;
 	void *dram;
@@ -356,7 +336,6 @@ struct sst_fw_save {
  * @dram : SST DRAM pointer
  * @pdata : SST info passed as a part of pci platform data
  * @shim_phy_add : SST shim phy addr
- * @shim_regs64: Struct to save shim registers
  * @ipc_dispatch_list : ipc messages dispatched
  * @rx_list : to copy the process_reply/process_msg from DSP
  * @ipc_post_msg_wq : wq to post IPC messages context
@@ -398,7 +377,6 @@ struct intel_sst_drv {
 	unsigned int		ddr_end;
 	unsigned int		ddr_base;
 	unsigned int		mailbox_recv_offset;
-	struct sst_shim_regs64	*shim_regs64;
 	struct list_head        block_list;
 	struct list_head	ipc_dispatch_list;
 	struct sst_platform_info *pdata;
diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c
index 592f6afaf2a5..cf88cd1865fb 100644
--- a/sound/soc/intel/atom/sst/sst_acpi.c
+++ b/sound/soc/intel/atom/sst/sst_acpi.c
@@ -358,23 +358,9 @@ static int sst_acpi_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
-	/* need to save shim registers in BYT */
-	ctx->shim_regs64 = devm_kzalloc(ctx->dev, sizeof(*ctx->shim_regs64),
-					GFP_KERNEL);
-	if (!ctx->shim_regs64) {
-		ret = -ENOMEM;
-		goto do_sst_cleanup;
-	}
-
 	sst_configure_runtime_pm(ctx);
 	platform_set_drvdata(pdev, ctx);
 	return ret;
-
-do_sst_cleanup:
-	sst_context_cleanup(ctx);
-	platform_set_drvdata(pdev, NULL);
-	dev_err(ctx->dev, "failed with %d\n", ret);
-	return ret;
 }
 
 /**