diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index 99ce1ffe509b..3c0c1d5dc0fe 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1277,6 +1277,10 @@ static ssize_t cqspi_write(struct cqspi_flash_pdata *f_pdata,
 	 */
 	if (!op->cmd.dtr && cqspi->use_direct_mode &&
 	    cqspi->use_direct_mode_wr && ((to + len) <= cqspi->ahb_size)) {
+		pr_info("TWx: %s:%d - Writing <%lu> bytes with offset <%lld> to ahb_base <%p>\n",
+			__func__, __LINE__, len, to, cqspi->ahb_base + to);
+		print_hex_dump(KERN_INFO, "TWx write buf:", DUMP_PREFIX_OFFSET,
+			       16, 1, buf, len, true);
 		memcpy_toio(cqspi->ahb_base + to, buf, len);
 		return cqspi_wait_idle(cqspi);
 	}
@@ -1702,7 +1706,10 @@ static int cqspi_probe(struct platform_device *pdev)
 	struct cqspi_st *cqspi;
 	int ret;
 	int irq;
-	const u_char *test_buf = "THIS IS TWx.";
+	const u_char *test_buf = "TWX-111-000";
+	loff_t to;
+
+	pr_info("TWx: %s:%d.\n", __func__, __LINE__);
 
 	host = devm_spi_alloc_host(&pdev->dev, sizeof(*cqspi));
 	if (!host) {
@@ -1897,18 +1904,20 @@ static int cqspi_probe(struct platform_device *pdev)
 		__func__, __LINE__,
 		cqspi->use_direct_mode_wr ? "enabled" : "disabled");
 
-	pr_info("TWx: %s:%d - Writing %s, size %lu to ahb_base 0x0\n",
+	to = 5;
+
+	pr_info("TWx: %s:%d - Writing %s, size %lu to ahb_base %lld\n",
 		__func__, __LINE__,
-		test_buf, strlen(test_buf));
-
-	memcpy_toio(cqspi->ahb_base, test_buf, strlen(test_buf));
+		test_buf, strlen(test_buf), to);
 
+	memcpy_toio(cqspi->ahb_base + to, test_buf, strlen(test_buf));
 	cqspi_wait_idle(cqspi);
 
 	print_hex_dump(KERN_INFO, "TWx ahb_base:", DUMP_PREFIX_OFFSET,
 		       16, 1, cqspi->ahb_base, 64, true);
 
 	return 0;
+
 probe_setup_failed:
 	cqspi_controller_enable(cqspi, 0);
 probe_reset_failed:
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 2d572f6c8ec8..5252766c0ed4 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -730,19 +730,25 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
 	int mi = uio_find_mem_index(vma);
 	struct uio_mem *mem;
 
+	pr_info("TWx: %s:%d\n",	__func__, __LINE__);
+
 	if (mi < 0)
 		return -EINVAL;
 	mem = idev->info->mem + mi;
 
+	pr_info("TWx: %s:%d\n",	__func__, __LINE__);
 	if (mem->addr & ~PAGE_MASK)
 		return -ENODEV;
+	pr_info("TWx: %s:%d\n",	__func__, __LINE__);
 	if (vma->vm_end - vma->vm_start > mem->size)
 		return -EINVAL;
 
+	pr_info("TWx: %s:%d\n",	__func__, __LINE__);
 	vma->vm_ops = &uio_physical_vm_ops;
 	if (idev->info->mem[mi].memtype == UIO_MEM_PHYS)
 		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
+	pr_info("TWx: %s:%d\n",	__func__, __LINE__);
 	/*
 	 * We cannot use the vm_iomap_memory() helper here,
 	 * because vma->vm_pgoff is the map index we looked
@@ -800,10 +806,13 @@ static int uio_mmap(struct file *filep, struct vm_area_struct *vma)
 	switch (idev->info->mem[mi].memtype) {
 	case UIO_MEM_IOVA:
 	case UIO_MEM_PHYS:
+		pr_info("TWx: %s:%d\n",	__func__, __LINE__);
 		ret = uio_mmap_physical(vma);
+		pr_info("TWx: %s:%d ret = %d\n",__func__, __LINE__, ret);
 		break;
 	case UIO_MEM_LOGICAL:
 	case UIO_MEM_VIRTUAL:
+		pr_info("TWx: %s:%d\n",	__func__, __LINE__);
 		ret = uio_mmap_logical(vma);
 		break;
 	default: