ASoC: Intel: switch from ioremap_cache to memremap

In preparation for deprecating ioremap_cache() convert its usage in
skl-nhlt to memremap.
Signed-off-by: NDan Williams <dan.j.williams@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl-nhlt.c

@@ -25,7 +25,7 @@ static u8 OSC_UUID[16] = {0x6E, 0x88, 0x9F, 0xA6, 0xEB, 0x6C, 0x94, 0x45,
 
 #define DSDT_NHLT_PATH "\\_SB.PCI0.HDAS"
 
-void __iomem *skl_nhlt_init(struct device *dev)
+void *skl_nhlt_init(struct device *dev)
 {
 	acpi_handle handle;
 	union acpi_object *obj;
@@ -40,17 +40,17 @@ void __iomem *skl_nhlt_init(struct device *dev)
 	if (obj && obj->type == ACPI_TYPE_BUFFER) {
 		nhlt_ptr = (struct nhlt_resource_desc  *)obj->buffer.pointer;
 
-		return ioremap_cache(nhlt_ptr->min_addr, nhlt_ptr->length);
+		return memremap(nhlt_ptr->min_addr, nhlt_ptr->length,
+				MEMREMAP_WB);
 	}
 
 	dev_err(dev, "device specific method to extract NHLT blob failed\n");
 	return NULL;
 }
 
-void skl_nhlt_free(void __iomem *addr)
+void skl_nhlt_free(void *addr)
 {
-	iounmap(addr);
-	addr = NULL;
+	memunmap(addr);
 }
 
 static struct nhlt_specific_cfg *skl_get_specific_cfg(

sound/soc/intel/skylake/skl.h

@@ -62,7 +62,7 @@ struct skl {
 	unsigned int init_failed:1; /* delayed init failed */
 	struct platform_device *dmic_dev;
 
-	void __iomem *nhlt; /* nhlt ptr */
+	void *nhlt; /* nhlt ptr */
 	struct skl_sst *skl_sst; /* sst skl ctx */
 
 	struct skl_dsp_resource resource;
@@ -83,8 +83,8 @@ struct skl_dma_params {
 int skl_platform_unregister(struct device *dev);
 int skl_platform_register(struct device *dev);
 
-void __iomem *skl_nhlt_init(struct device *dev);
-void skl_nhlt_free(void __iomem *addr);
+void *skl_nhlt_init(struct device *dev);
+void skl_nhlt_free(void *addr);
 struct nhlt_specific_cfg *skl_get_ep_blob(struct skl *skl, u32 instance,
 			u8 link_type, u8 s_fmt, u8 no_ch, u32 s_rate, u8 dirn);