usb: dwc2: fix default value for DMA support

The current defaults for DMA results on a non-DMA platform in a unnecessary
error message:

  Invalid value 0 for param gadget-dma

So fix this by using dma_capable as default value.

Fixes: 9962b62f1be ("usb: dwc2: Deprecate g-use-dma binding")
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 2c7b624..30b954e 100644 (file)
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -1088,7 +1088,7 @@ static void dwc2_set_gadget_dma(struct dwc2_hsotg *hsotg)
        /* Buffer DMA */
        dwc2_set_param_bool(hsotg, &p->g_dma,
                            false, "gadget-dma",
-                           true, false,
+                           dma_capable, false,
                            dma_capable);
 
        /* DMA Descriptor */
@@ -1118,7 +1118,7 @@ static void dwc2_set_parameters(struct dwc2_hsotg *hsotg,
 
                dwc2_set_param_bool(hsotg, &p->host_dma,
                                    false, "host-dma",
-                                   true, false,
+                                   dma_capable, false,
                                    dma_capable);
                dwc2_set_param_host_rx_fifo_size(hsotg,
                                params->host_rx_fifo_size);