in case we're not in a DT boot, we should
still be able to tell the driver how to behave.
In order to be able to pass flags to the driver,
we introduce platform_data structure which the
core driver should use.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/dwc3/core.c | 8 ++++++--
drivers/usb/dwc3/platform_data.h | 22 ++++++++++++++++++++++
2 files changed, 28 insertions(+), 2 deletions(-)
create mode 100644 drivers/usb/dwc3/platform_data.h
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 41feedb..5d6372e 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -37,6 +37,7 @@
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
+#include "platform_data.h"
#include "core.h"
#include "gadget.h"
#include "io.h"
@@ -350,6 +351,7 @@ static void dwc3_core_exit(struct dwc3 *dwc)
static int dwc3_probe(struct platform_device *pdev)
{
+ struct dwc3_platform_data *pdata = pdev->dev.platform_data;
struct device_node *node = pdev->dev.of_node;
struct resource *res;
struct dwc3 *dwc;
@@ -412,9 +414,13 @@ static int dwc3_probe(struct platform_device *pdev)
if (node) {
dwc->usb2_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0);
dwc->usb3_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 1);
+
+ dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize");
} else {
dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3);
+
+ dwc->needs_fifo_resize = pdata->tx_fifo_resize;
}
if (IS_ERR(dwc->usb2_phy)) {
@@ -472,8 +478,6 @@ static int dwc3_probe(struct platform_device *pdev)
else
dwc->maximum_speed = DWC3_DCFG_SUPERSPEED;
- dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize");
-
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
pm_runtime_forbid(dev);
diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h
new file mode 100644
index 0000000..0385164
--- /dev/null
+++ b/drivers/usb/dwc3/platform_data.h
@@ -0,0 +1,22 @@
+/**
+ * platform_data.h - USB DWC3 Platform Data Support
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
+ * Author: Felipe Balbi <balbi@xxxxxx>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 of
+ * the License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+struct dwc3_platform_data {
+ bool tx_fifo_resize;
+};
--
1.8.2.1
--
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