103 lines
2.6 KiB
Diff
103 lines
2.6 KiB
Diff
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From 4aed231f49954114d5ae23e97789e9aa540a0b70 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Tue, 16 Jun 2015 12:52:07 +0200
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Subject: [PATCH] USB: bcma: use separated function for USB 2.0 initialization
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This will allow adding USB 3.0 (XHCI) support cleanly.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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drivers/usb/host/bcma-hcd.c | 51 +++++++++++++++++++++++++++++++--------------
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1 file changed, 35 insertions(+), 16 deletions(-)
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--- a/drivers/usb/host/bcma-hcd.c
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+++ b/drivers/usb/host/bcma-hcd.c
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@@ -34,6 +34,7 @@ MODULE_DESCRIPTION("Common USB driver fo
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MODULE_LICENSE("GPL");
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struct bcma_hcd_device {
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+ struct bcma_device *core;
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struct platform_device *ehci_dev;
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struct platform_device *ohci_dev;
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};
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@@ -293,27 +294,16 @@ err_alloc:
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return ERR_PTR(ret);
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}
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-static int bcma_hcd_probe(struct bcma_device *dev)
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+static int bcma_hcd_usb20_init(struct bcma_hcd_device *usb_dev)
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{
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- int err;
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+ struct bcma_device *dev = usb_dev->core;
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+ struct bcma_chipinfo *chipinfo = &dev->bus->chipinfo;
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u32 ohci_addr;
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- struct bcma_hcd_device *usb_dev;
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- struct bcma_chipinfo *chipinfo;
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-
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- chipinfo = &dev->bus->chipinfo;
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-
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- /* TODO: Probably need checks here; is the core connected? */
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+ int err;
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if (dma_set_mask_and_coherent(dev->dma_dev, DMA_BIT_MASK(32)))
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return -EOPNOTSUPP;
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- usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device),
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- GFP_KERNEL);
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- if (!usb_dev)
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- return -ENOMEM;
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-
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- bcma_hci_platform_power_gpio(dev, true);
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-
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switch (dev->id.id) {
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case BCMA_CORE_NS_USB20:
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bcma_hcd_init_chip_arm(dev);
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@@ -346,7 +336,6 @@ static int bcma_hcd_probe(struct bcma_de
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goto err_unregister_ohci_dev;
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}
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- bcma_set_drvdata(dev, usb_dev);
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return 0;
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err_unregister_ohci_dev:
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@@ -354,6 +343,36 @@ err_unregister_ohci_dev:
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return err;
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}
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+static int bcma_hcd_probe(struct bcma_device *dev)
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+{
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+ int err;
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+ struct bcma_hcd_device *usb_dev;
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+
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+ /* TODO: Probably need checks here; is the core connected? */
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+
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+ usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device),
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+ GFP_KERNEL);
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+ if (!usb_dev)
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+ return -ENOMEM;
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+ usb_dev->core = dev;
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+
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+ bcma_hci_platform_power_gpio(dev, true);
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+
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+ switch (dev->id.id) {
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+ case BCMA_CORE_USB20_HOST:
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+ case BCMA_CORE_NS_USB20:
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+ err = bcma_hcd_usb20_init(usb_dev);
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+ if (err)
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+ return err;
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+ break;
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+ default:
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+ return -ENODEV;
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+ }
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+
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+ bcma_set_drvdata(dev, usb_dev);
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+ return 0;
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+}
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+
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static void bcma_hcd_remove(struct bcma_device *dev)
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{
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struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
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