You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.1 KiB
112 lines
3.1 KiB
From fa5622c2fadae573dd6b0f5bffe436b230b411f6 Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
|
|
Date: Tue, 16 Jun 2015 12:52:07 +0200
|
|
Subject: [PATCH v3 4/6] usb: bcma: use separated function for USB 2.0
|
|
initialization
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
This will allow adding USB 3.0 (XHCI) support cleanly.
|
|
|
|
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
|
|
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
|
|
---
|
|
drivers/usb/host/bcma-hcd.c | 51 +++++++++++++++++++++++++++++++--------------
|
|
1 file changed, 35 insertions(+), 16 deletions(-)
|
|
|
|
--- a/drivers/usb/host/bcma-hcd.c
|
|
+++ b/drivers/usb/host/bcma-hcd.c
|
|
@@ -35,6 +35,7 @@ MODULE_DESCRIPTION("Common USB driver fo
|
|
MODULE_LICENSE("GPL");
|
|
|
|
struct bcma_hcd_device {
|
|
+ struct bcma_device *core;
|
|
struct platform_device *ehci_dev;
|
|
struct platform_device *ohci_dev;
|
|
struct gpio_desc *gpio_desc;
|
|
@@ -288,31 +289,16 @@ err_alloc:
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
-static int bcma_hcd_probe(struct bcma_device *dev)
|
|
+static int bcma_hcd_usb20_init(struct bcma_hcd_device *usb_dev)
|
|
{
|
|
- int err;
|
|
+ struct bcma_device *dev = usb_dev->core;
|
|
+ struct bcma_chipinfo *chipinfo = &dev->bus->chipinfo;
|
|
u32 ohci_addr;
|
|
- struct bcma_hcd_device *usb_dev;
|
|
- struct bcma_chipinfo *chipinfo;
|
|
-
|
|
- chipinfo = &dev->bus->chipinfo;
|
|
-
|
|
- /* TODO: Probably need checks here; is the core connected? */
|
|
+ int err;
|
|
|
|
if (dma_set_mask_and_coherent(dev->dma_dev, DMA_BIT_MASK(32)))
|
|
return -EOPNOTSUPP;
|
|
|
|
- usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device),
|
|
- GFP_KERNEL);
|
|
- if (!usb_dev)
|
|
- return -ENOMEM;
|
|
-
|
|
- if (dev->dev.of_node)
|
|
- usb_dev->gpio_desc = devm_get_gpiod_from_child(&dev->dev, "vcc",
|
|
- &dev->dev.of_node->fwnode);
|
|
- if (!IS_ERR_OR_NULL(usb_dev->gpio_desc))
|
|
- gpiod_direction_output(usb_dev->gpio_desc, 1);
|
|
-
|
|
switch (dev->id.id) {
|
|
case BCMA_CORE_NS_USB20:
|
|
bcma_hcd_init_chip_arm(dev);
|
|
@@ -345,7 +331,6 @@ static int bcma_hcd_probe(struct bcma_de
|
|
goto err_unregister_ohci_dev;
|
|
}
|
|
|
|
- bcma_set_drvdata(dev, usb_dev);
|
|
return 0;
|
|
|
|
err_unregister_ohci_dev:
|
|
@@ -353,6 +338,40 @@ err_unregister_ohci_dev:
|
|
return err;
|
|
}
|
|
|
|
+static int bcma_hcd_probe(struct bcma_device *dev)
|
|
+{
|
|
+ int err;
|
|
+ struct bcma_hcd_device *usb_dev;
|
|
+
|
|
+ /* TODO: Probably need checks here; is the core connected? */
|
|
+
|
|
+ usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device),
|
|
+ GFP_KERNEL);
|
|
+ if (!usb_dev)
|
|
+ return -ENOMEM;
|
|
+ usb_dev->core = dev;
|
|
+
|
|
+ if (dev->dev.of_node)
|
|
+ usb_dev->gpio_desc = devm_get_gpiod_from_child(&dev->dev, "vcc",
|
|
+ &dev->dev.of_node->fwnode);
|
|
+ if (!IS_ERR_OR_NULL(usb_dev->gpio_desc))
|
|
+ gpiod_direction_output(usb_dev->gpio_desc, 1);
|
|
+
|
|
+ switch (dev->id.id) {
|
|
+ case BCMA_CORE_USB20_HOST:
|
|
+ case BCMA_CORE_NS_USB20:
|
|
+ err = bcma_hcd_usb20_init(usb_dev);
|
|
+ if (err)
|
|
+ return err;
|
|
+ break;
|
|
+ default:
|
|
+ return -ENODEV;
|
|
+ }
|
|
+
|
|
+ bcma_set_drvdata(dev, usb_dev);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static void bcma_hcd_remove(struct bcma_device *dev)
|
|
{
|
|
struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
|
|
|