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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 19:19:23 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 19:19:23 (GMT)
commitec25e246b94a3233ab064994ef05a170bdba0e7c (patch)
tree49b7d7e4c46e13bb465c7b832961596e41e8526a /drivers/usb/gadget/fusb300_udc.c
parent507ffe4f3840ac24890a8123c702cf1b7fe4d33c (diff)
parent4626b8daf9bb00ce6b4d533c1a155211ad880f32 (diff)
downloadlinux-fsl-qoriq-ec25e246b94a3233ab064994ef05a170bdba0e7c.tar.xz
Merge tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman: "Here's the big USB pull request for 3.10-rc1. Lots of USB patches here, the majority being USB gadget changes and USB-serial driver cleanups, the rest being ARM build fixes / cleanups, and individual driver updates. We also finally got some chipidea fixes, which have been delayed for a number of kernel releases, as the maintainer has now reappeared. All of these have been in linux-next for a while" * tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (568 commits) USB: ehci-msm: USB_MSM_OTG needs USB_PHY USB: OHCI: avoid conflicting platform drivers USB: OMAP: ISP1301 needs USB_PHY USB: lpc32xx: ISP1301 needs USB_PHY USB: ftdi_sio: enable two UART ports on ST Microconnect Lite usb: phy: tegra: don't call into tegra-ehci directly usb: phy: phy core cannot yet be a module USB: Fix initconst in ehci driver usb-storage: CY7C68300A chips do not support Cypress ATACB USB: serial: option: Added support Olivetti Olicard 145 USB: ftdi_sio: correct ST Micro Connect Lite PIDs ARM: mxs_defconfig: add CONFIG_USB_PHY ARM: imx_v6_v7_defconfig: add CONFIG_USB_PHY usb: phy: remove exported function from __init section usb: gadget: zero: put function instances on unbind usb: gadget: f_sourcesink.c: correct a copy-paste misnomer usb: gadget: cdc2: fix error return code in cdc_do_config() usb: gadget: multi: fix error return code in rndis_do_config() usb: gadget: f_obex: fix error return code in obex_bind() USB: storage: convert to use module_usb_driver() ...
Diffstat (limited to 'drivers/usb/gadget/fusb300_udc.c')
-rw-r--r--drivers/usb/gadget/fusb300_udc.c46
1 files changed, 14 insertions, 32 deletions
diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c
index 066cb89..cec8871 100644
--- a/drivers/usb/gadget/fusb300_udc.c
+++ b/drivers/usb/gadget/fusb300_udc.c
@@ -394,7 +394,7 @@ static void fusb300_clear_epnstall(struct fusb300 *fusb300, u8 ep)
if (reg & FUSB300_EPSET0_STL) {
printk(KERN_DEBUG "EP%d stall... Clear!!\n", ep);
- reg &= ~FUSB300_EPSET0_STL;
+ reg |= FUSB300_EPSET0_STL_CLR;
iowrite32(reg, fusb300->reg + FUSB300_OFFSET_EPSET0(ep));
}
}
@@ -930,33 +930,33 @@ static void fusb300_wait_idma_finished(struct fusb300_ep *ep)
fusb300_clear_int(ep->fusb300, FUSB300_OFFSET_IGR0,
FUSB300_IGR0_EPn_PRD_INT(ep->epnum));
+ return;
+
IDMA_RESET:
- fusb300_clear_int(ep->fusb300, FUSB300_OFFSET_IGER0,
- FUSB300_IGER0_EEPn_PRD_INT(ep->epnum));
+ reg = ioread32(ep->fusb300->reg + FUSB300_OFFSET_IGER0);
+ reg &= ~FUSB300_IGER0_EEPn_PRD_INT(ep->epnum);
+ iowrite32(reg, ep->fusb300->reg + FUSB300_OFFSET_IGER0);
}
-static void fusb300_set_idma(struct fusb300_ep *ep,
+static void fusb300_set_idma(struct fusb300_ep *ep,
struct fusb300_request *req)
{
- dma_addr_t d;
-
- d = dma_map_single(NULL, req->req.buf, req->req.length, DMA_TO_DEVICE);
+ int ret;
- if (dma_mapping_error(NULL, d)) {
- printk(KERN_DEBUG "dma_mapping_error\n");
+ ret = usb_gadget_map_request(&ep->fusb300->gadget,
+ &req->req, DMA_TO_DEVICE);
+ if (ret)
return;
- }
-
- dma_sync_single_for_device(NULL, d, req->req.length, DMA_TO_DEVICE);
fusb300_enable_bit(ep->fusb300, FUSB300_OFFSET_IGER0,
FUSB300_IGER0_EEPn_PRD_INT(ep->epnum));
- fusb300_fill_idma_prdtbl(ep, d, req->req.length);
+ fusb300_fill_idma_prdtbl(ep, req->req.dma, req->req.length);
/* check idma is done */
fusb300_wait_idma_finished(ep);
- dma_unmap_single(NULL, d, req->req.length, DMA_TO_DEVICE);
+ usb_gadget_unmap_request(&ep->fusb300->gadget,
+ &req->req, DMA_TO_DEVICE);
}
static void in_ep_fifo_handler(struct fusb300_ep *ep)
@@ -1316,7 +1316,6 @@ static int fusb300_udc_start(struct usb_gadget *g,
/* hook up the driver */
driver->driver.bus = NULL;
fusb300->driver = driver;
- fusb300->gadget.dev.driver = &driver->driver;
return 0;
}
@@ -1327,7 +1326,6 @@ static int fusb300_udc_stop(struct usb_gadget *g,
struct fusb300 *fusb300 = to_fusb300(g);
driver->unbind(&fusb300->gadget);
- fusb300->gadget.dev.driver = NULL;
init_controller(fusb300);
fusb300->driver = NULL;
@@ -1422,14 +1420,7 @@ static int __init fusb300_probe(struct platform_device *pdev)
fusb300->gadget.ops = &fusb300_gadget_ops;
- device_initialize(&fusb300->gadget.dev);
-
- dev_set_name(&fusb300->gadget.dev, "gadget");
-
fusb300->gadget.max_speed = USB_SPEED_HIGH;
- fusb300->gadget.dev.parent = &pdev->dev;
- fusb300->gadget.dev.dma_mask = pdev->dev.dma_mask;
- fusb300->gadget.dev.release = pdev->dev.release;
fusb300->gadget.name = udc_name;
fusb300->reg = reg;
@@ -1478,19 +1469,10 @@ static int __init fusb300_probe(struct platform_device *pdev)
if (ret)
goto err_add_udc;
- ret = device_add(&fusb300->gadget.dev);
- if (ret) {
- pr_err("device_add error (%d)\n", ret);
- goto err_add_device;
- }
-
dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION);
return 0;
-err_add_device:
- usb_del_gadget_udc(&fusb300->gadget);
-
err_add_udc:
fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req);