1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index bd9867f592b7..a4e8c0337a59 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -48,6 +48,7 @@ struct lpss_device_desc {
         const char *clkdev_name;
         bool ltr_required;
         unsigned int prv_offset;
+        size_t prv_size_override;
         bool clk_gate;
         struct lpss_shared_clock *shared_clock;
         void (*setup)(struct lpss_private_data *pdata);
@@ -91,6 +92,7 @@ static struct lpss_device_desc lpt_uart_dev_desc = {
 
 static struct lpss_device_desc lpt_sdio_dev_desc = {
         .prv_offset = 0x1000,
+        .prv_size_override = 0x1018,
         .ltr_required = true,
 };
 
@@ -249,7 +251,10 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
 
         list_for_each_entry(rentry, &resource_list, node)
                 if (resource_type(&rentry->res) == IORESOURCE_MEM) {
-                        pdata->mmio_size = resource_size(&rentry->res);
+                        if (dev_desc->prv_size_override)
+                                pdata->mmio_size = dev_desc->prv_size_override;
+                        else
+                                pdata->mmio_size = resource_size(&rentry->res);
                         pdata->mmio_base = ioremap(rentry->res.start,
                                                    pdata->mmio_size);
                         pdata->dev_desc = dev_desc;