diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 12:09:47 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 12:09:47 -0800 |
commit | 55b81e6f2795484ea8edf5805c95c007cacfa736 (patch) | |
tree | c3724975107857fcc03b5dd649c462e4f72397be /drivers/usb/host | |
parent | 5983faf942f260023e547f3c5f38c1033c35cc9b (diff) | |
parent | 08e87d0d773dc9ca5faf4c3306e238ed0ea129b0 (diff) |
Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (232 commits)
USB: Add USB-ID for Multiplex RC serial adapter to cp210x.c
xhci: Clean up 32-bit build warnings.
USB: update documentation for usbmon
usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
drivers/usb/class/cdc-acm.c: clear dangling pointer
drivers/usb/dwc3/dwc3-pci.c: introduce missing kfree
drivers/usb/host/isp1760-if.c: introduce missing kfree
usb: option: add ZD Incorporated HSPA modem
usb: ch9: fix up MaxStreams helper
USB: usb-skeleton.c: cleanup open_count
USB: usb-skeleton.c: fix open/disconnect race
xhci: Properly handle COMP_2ND_BW_ERR
USB: remove dead code from suspend/resume path
USB: add quirk for another camera
drivers: usb: wusbcore: Fix dependency for USB_WUSB
xhci: Better debugging for critical host errors.
xhci: Be less verbose during URB cancellation.
xhci: Remove debugging about ring structure allocation.
xhci: Remove debugging about toggling cycle bits.
xhci: Remove debugging for individual transfers.
...
Diffstat (limited to 'drivers/usb/host')
43 files changed, 721 insertions, 296 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 060e0e2b1ae6..a52769b5c904 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -194,6 +194,15 @@ config USB_EHCI_S5P help Enable support for the S5P SOC's on-chip EHCI controller. +config USB_EHCI_MV + bool "EHCI support for Marvell on-chip controller" + depends on USB_EHCI_HCD + select USB_EHCI_ROOT_HUB_TT + ---help--- + Enables support for Marvell (including PXA and MMP series) on-chip + USB SPH and OTG controller. SPH is a single port host, and it can + only be EHCI host. OTG is controller that can switch to host mode. + config USB_W90X900_EHCI bool "W90X900(W90P910) EHCI support" depends on USB_EHCI_HCD && ARCH_W90X900 diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index 18bafa99fe57..bf7441afed16 100644 --- a/drivers/usb/host/ehci-au1xxx.c +++ b/drivers/usb/host/ehci-au1xxx.c @@ -23,6 +23,7 @@ static int au1xxx_ehci_setup(struct usb_hcd *hcd) int ret = ehci_init(hcd); ehci->need_io_watchdog = 0; + ehci_reset(ehci); return ret; } diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 3ff9f82f7263..e311a511529b 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -48,6 +48,10 @@ #include <asm/system.h> #include <asm/unaligned.h> +#if defined(CONFIG_PPC_PS3) +#include <asm/firmware.h> +#endif + /*-------------------------------------------------------------------------*/ /* @@ -230,12 +234,58 @@ static int ehci_halt (struct ehci_hcd *ehci) STS_HALT, STS_HALT, 16 * 125); } +#if defined(CONFIG_USB_SUSPEND) && defined(CONFIG_PPC_PS3) + +/* + * The EHCI controller of the Cell Super Companion Chip used in the + * PS3 will stop the root hub after all root hub ports are suspended. + * When in this condition handshake will return -ETIMEDOUT. The + * STS_HLT bit will not be set, so inspection of the frame index is + * used here to test for the condition. If the condition is found + * return success to allow the USB suspend to complete. + */ + +static int handshake_for_broken_root_hub(struct ehci_hcd *ehci, + void __iomem *ptr, u32 mask, u32 done, + int usec) +{ + unsigned int old_index; + int error; + + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ETIMEDOUT; + + old_index = ehci_read_frame_index(ehci); + + error = handshake(ehci, ptr, mask, done, usec); + + if (error == -ETIMEDOUT && ehci_read_frame_index(ehci) == old_index) + return 0; + + return error; +} + +#else + +static int handshake_for_broken_root_hub(struct ehci_hcd *ehci, + void __iomem *ptr, u32 mask, u32 done, + int usec) +{ + return -ETIMEDOUT; +} + +#endif + static int handshake_on_error_set_halt(struct ehci_hcd *ehci, void __iomem *ptr, u32 mask, u32 done, int usec) { int error; error = handshake(ehci, ptr, mask, done, usec); + if (error == -ETIMEDOUT) + error = handshake_for_broken_root_hub(ehci, ptr, mask, done, + usec); + if (error) { ehci_halt(ehci); ehci->rh_state = EHCI_RH_HALTED; @@ -620,6 +670,7 @@ static int ehci_init(struct usb_hcd *hcd) hw = ehci->async->hw; hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma); hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD); + hw->hw_info1 |= cpu_to_hc32(ehci, (1 << 7)); /* I = 1 */ hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT); hw->hw_qtd_next = EHCI_LIST_END(ehci); ehci->async->qh_state = QH_STATE_LINKED; @@ -677,22 +728,13 @@ static int ehci_init(struct usb_hcd *hcd) static int ehci_run (struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); - int retval; u32 temp; u32 hcc_params; hcd->uses_new_polling = 1; /* EHCI spec section 4.1 */ - /* - * TDI driver does the ehci_reset in their reset callback. - * Don't reset here, because configuration settings will - * vanish. - */ - if (!ehci_is_TDI(ehci) && (retval = ehci_reset(ehci)) != 0) { - ehci_mem_cleanup(ehci); - return retval; - } + ehci_writel(ehci, ehci->periodic_dma, &ehci->regs->frame_list); ehci_writel(ehci, (u32)ehci->async->qh_dma, &ehci->regs->async_next); @@ -1324,11 +1366,16 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_pxa168_driver #endif -#ifdef CONFIG_NLM_XLR +#ifdef CONFIG_CPU_XLR #include "ehci-xls.c" #define PLATFORM_DRIVER ehci_xls_driver #endif +#ifdef CONFIG_USB_EHCI_MV +#include "ehci-mv.c" +#define PLATFORM_DRIVER ehci_mv_driver +#endif + #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ !defined(XILINX_OF_PLATFORM_DRIVER) diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c new file mode 100644 index 000000000000..52a604fb9321 --- /dev/null +++ b/drivers/usb/host/ehci-mv.c @@ -0,0 +1,391 @@ +/* + * Copyright (C) 2011 Marvell International Ltd. All rights reserved. + * Author: Chao Xie <chao.xie@marvell.com> + * Neil Zhang <zhangwm@marvell.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/usb/otg.h> +#include <linux/platform_data/mv_usb.h> + +#define CAPLENGTH_MASK (0xff) + +struct ehci_hcd_mv { + struct usb_hcd *hcd; + + /* Which mode does this ehci running OTG/Host ? */ + int mode; + + void __iomem *phy_regs; + void __iomem *cap_regs; + void __iomem *op_regs; + + struct otg_transceiver *otg; + + struct mv_usb_platform_data *pdata; + + /* clock source and total clock number */ + unsigned int clknum; + struct clk *clk[0]; +}; + +static void ehci_clock_enable(struct ehci_hcd_mv *ehci_mv) +{ + unsigned int i; + + for (i = 0; i < ehci_mv->clknum; i++) + clk_enable(ehci_mv->clk[i]); +} + +static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv) +{ + unsigned int i; + + for (i = 0; i < ehci_mv->clknum; i++) + clk_disable(ehci_mv->clk[i]); +} + +static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv) +{ + int retval; + + ehci_clock_enable(ehci_mv); + if (ehci_mv->pdata->phy_init) { + retval = ehci_mv->pdata->phy_init(ehci_mv->phy_regs); + if (retval) + return retval; + } + + return 0; +} + +static void mv_ehci_disable(struct ehci_hcd_mv *ehci_mv) +{ + if (ehci_mv->pdata->phy_deinit) + ehci_mv->pdata->phy_deinit(ehci_mv->phy_regs); + ehci_clock_disable(ehci_mv); +} + +static int mv_ehci_reset(struct usb_hcd *hcd) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + struct device *dev = hcd->self.controller; + struct ehci_hcd_mv *ehci_mv = dev_get_drvdata(dev); + int retval; + + if (ehci_mv == NULL) { + dev_err(dev, "Can not find private ehci data\n"); + return -ENODEV; + } + + /* + * data structure init + */ + retval = ehci_init(hcd); + if (retval) { + dev_err(dev, "ehci_init failed %d\n", retval); + return retval; + } + + hcd->has_tt = 1; + ehci->sbrn = 0x20; + + retval = ehci_reset(ehci); + if (retval) { + dev_err(dev, "ehci_reset failed %d\n", retval); + return retval; + } + + return 0; +} + +static const struct hc_driver mv_ehci_hc_driver = { + .description = hcd_name, + .product_desc = "Marvell EHCI", + .hcd_priv_size = sizeof(struct ehci_hcd), + + /* + * generic hardware linkage + */ + .irq = ehci_irq, + .flags = HCD_MEMORY | HCD_USB2, + + /* + * basic lifecycle operations + */ + .reset = mv_ehci_reset, + .start = ehci_run, + .stop = ehci_stop, + .shutdown = ehci_shutdown, + + /* + * managing i/o requests and associated device resources + */ + .urb_enqueue = ehci_urb_enqueue, + .urb_dequeue = ehci_urb_dequeue, + .endpoint_disable = ehci_endpoint_disable, + .endpoint_reset = ehci_endpoint_reset, + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, + + /* + * scheduling support + */ + .get_frame_number = ehci_get_frame, + + /* + * root hub support + */ + .hub_status_data = ehci_hub_status_data, + .hub_control = ehci_hub_control, + .bus_suspend = ehci_bus_suspend, + .bus_resume = ehci_bus_resume, +}; + +static int mv_ehci_probe(struct platform_device *pdev) +{ + struct mv_usb_platform_data *pdata = pdev->dev.platform_data; + struct usb_hcd *hcd; + struct ehci_hcd *ehci; + struct ehci_hcd_mv *ehci_mv; + struct resource *r; + int clk_i, retval = -ENODEV; + u32 offset; + size_t size; + + if (!pdata) { + dev_err(&pdev->dev, "missing platform_data\n"); + return -ENODEV; + } + + if (usb_disabled()) + return -ENODEV; + + hcd = usb_create_hcd(&mv_ehci_hc_driver, &pdev->dev, "mv ehci"); + if (!hcd) + return -ENOMEM; + + size = sizeof(*ehci_mv) + sizeof(struct clk *) * pdata->clknum; + ehci_mv = kzalloc(size, GFP_KERNEL); + if (ehci_mv == NULL) { + dev_err(&pdev->dev, "cannot allocate ehci_hcd_mv\n"); + retval = -ENOMEM; + goto err_put_hcd; + } + + platform_set_drvdata(pdev, ehci_mv); + ehci_mv->pdata = pdata; + ehci_mv->hcd = hcd; + + ehci_mv->clknum = pdata->clknum; + for (clk_i = 0; clk_i < ehci_mv->clknum; clk_i++) { + ehci_mv->clk[clk_i] = + clk_get(&pdev->dev, pdata->clkname[clk_i]); + if (IS_ERR(ehci_mv->clk[clk_i])) { + dev_err(&pdev->dev, "error get clck \"%s\"\n", + pdata->clkname[clk_i]); + retval = PTR_ERR(ehci_mv->clk[clk_i]); + goto err_put_clk; + } + } + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phyregs"); + if (r == NULL) { + dev_err(&pdev->dev, "no phy I/O memory resource defined\n"); + retval = -ENODEV; + goto err_put_clk; + } + + ehci_mv->phy_regs = ioremap(r->start, resource_size(r)); + if (ehci_mv->phy_regs == 0) { + dev_err(&pdev->dev, "failed to map phy I/O memory\n"); + retval = -EFAULT; + goto err_put_clk; + } + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "capregs"); + if (!r) { + dev_err(&pdev->dev, "no I/O memory resource defined\n"); + retval = -ENODEV; + goto err_iounmap_phyreg; + } + + ehci_mv->cap_regs = ioremap(r->start, resource_size(r)); + if (ehci_mv->cap_regs == NULL) { + dev_err(&pdev->dev, "failed to map I/O memory\n"); + retval = -EFAULT; + goto err_iounmap_phyreg; + } + + retval = mv_ehci_enable(ehci_mv); + if (retval) { + dev_err(&pdev->dev, "init phy error %d\n", retval); + goto err_iounmap_capreg; + } + + offset = readl(ehci_mv->cap_regs) & CAPLENGTH_MASK; + ehci_mv->op_regs = + (void __iomem *) ((unsigned long) ehci_mv->cap_regs + offset); + + hcd->rsrc_start = r->start; + hcd->rsrc_len = r->end - r->start + 1; + hcd->regs = ehci_mv->op_regs; + + hcd->irq = platform_get_irq(pdev, 0); + if (!hcd->irq) { + dev_err(&pdev->dev, "Cannot get irq."); + retval = -ENODEV; + goto err_disable_clk; + } + + ehci = hcd_to_ehci(hcd); + ehci->caps = (struct ehci_caps *) ehci_mv->cap_regs; + ehci->regs = (struct ehci_regs *) ehci_mv->op_regs; + ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); + + ehci_mv->mode = pdata->mode; + if (ehci_mv->mode == MV_USB_MODE_OTG) { +#ifdef CONFIG_USB_OTG_UTILS + ehci_mv->otg = otg_get_transceiver(); + if (!ehci_mv->otg) { + dev_err(&pdev->dev, + "unable to find transceiver\n"); + retval = -ENODEV; + goto err_disable_clk; + } + + retval = otg_set_host(ehci_mv->otg, &hcd->self); + if (retval < 0) { + dev_err(&pdev->dev, + "unable to register with transceiver\n"); + retval = -ENODEV; + goto err_put_transceiver; + } + /* otg will enable clock before use as host */ + mv_ehci_disable(ehci_mv); +#else + dev_info(&pdev->dev, "MV_USB_MODE_OTG " + "must have CONFIG_USB_OTG_UTILS enabled\n"); + goto err_disable_clk; +#endif + } else { + if (pdata->set_vbus) + pdata->set_vbus(1); + + retval = usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); + if (retval) { + dev_err(&pdev->dev, + "failed to add hcd with err %d\n", retval); + goto err_set_vbus; + } + } + + if (pdata->private_init) + pdata->private_init(ehci_mv->op_regs, ehci_mv->phy_regs); + + dev_info(&pdev->dev, + "successful find EHCI device with regs 0x%p irq %d" + " working in %s mode\n", hcd->regs, hcd->irq, + ehci_mv->mode == MV_USB_MODE_OTG ? "OTG" : "Host"); + + return 0; + +err_set_vbus: + if (pdata->set_vbus) + pdata->set_vbus(0); +#ifdef CONFIG_USB_OTG_UTILS +err_put_transceiver: + if (ehci_mv->otg) + otg_put_transceiver(ehci_mv->otg); +#endif +err_disable_clk: + mv_ehci_disable(ehci_mv); +err_iounmap_capreg: + iounmap(ehci_mv->cap_regs); +err_iounmap_phyreg: + iounmap(ehci_mv->phy_regs); +err_put_clk: + for (clk_i--; clk_i >= 0; clk_i--) + clk_put(ehci_mv->clk[clk_i]); + platform_set_drvdata(pdev, NULL); + kfree(ehci_mv); +err_put_hcd: + usb_put_hcd(hcd); + + return retval; +} + +static int mv_ehci_remove(struct platform_device *pdev) +{ + struct ehci_hcd_mv *ehci_mv = platform_get_drvdata(pdev); + struct usb_hcd *hcd = ehci_mv->hcd; + int clk_i; + + if (hcd->rh_registered) + usb_remove_hcd(hcd); + + if (ehci_mv->otg) { + otg_set_host(ehci_mv->otg, NULL); + otg_put_transceiver(ehci_mv->otg); + } + + if (ehci_mv->mode == MV_USB_MODE_HOST) { + if (ehci_mv->pdata->set_vbus) + ehci_mv->pdata->set_vbus(0); + + mv_ehci_disable(ehci_mv); + } + + iounmap(ehci_mv->cap_regs); + iounmap(ehci_mv->phy_regs); + + for (clk_i = 0; clk_i < ehci_mv->clknum; clk_i++) + clk_put(ehci_mv->clk[clk_i]); + + platform_set_drvdata(pdev, NULL); + + kfree(ehci_mv); + usb_put_hcd(hcd); + + return 0; +} + +MODULE_ALIAS("mv-ehci"); + +static const struct platform_device_id ehci_id_table[] = { + {"pxa-u2oehci", PXA_U2OEHCI}, + {"pxa-sph", PXA_SPH}, + {"mmp3-hsic", MMP3_HSIC}, + {"mmp3-fsic", MMP3_FSIC}, + {}, +}; + +static void mv_ehci_shutdown(struct platform_device *pdev) +{ + struct ehci_hcd_mv *ehci_mv = platform_get_drvdata(pdev); + struct usb_hcd *hcd = ehci_mv->hcd; + + if (!hcd->rh_registered) + return; + + if (hcd->driver->shutdown) + hcd->driver->shutdown(hcd); +} + +static struct platform_driver ehci_mv_driver = { + .probe = mv_ehci_probe, + .remove = mv_ehci_remove, + .shutdown = mv_ehci_shutdown, + .driver = { + .name = "mv-ehci", + .bus = &platform_bus_type, + }, + .id_table = ehci_id_table, +}; diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c index ba1f51361134..c0104882c72d 100644 --- a/drivers/usb/host/ehci-octeon.c +++ b/drivers/usb/host/ehci-octeon.c @@ -155,6 +155,8 @@ static int ehci_octeon_drv_probe(struct platform_device *pdev) /* cache this readonly data; minimize chip reads */ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); + ehci_reset(ehci); + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) { dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret); diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index e39b0297bad1..e33baf9052cb 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -228,6 +228,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) /* cache this readonly data; minimize chip reads */ omap_ehci->hcs_params = readl(&omap_ehci->caps->hcs_params); + ehci_reset(omap_ehci); + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) { dev_err(dev, "failed to add hcd with err %d\n", ret); diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 2dc32da75cfc..a20e496eb479 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -21,6 +21,34 @@ #include <asm/firmware.h> #include <asm/ps3.h> +static void ps3_ehci_setup_insnreg(struct ehci_hcd *ehci) +{ + /* PS3 HC internal setup register offsets. */ + + enum ps3_ehci_hc_insnreg { + ps3_ehci_hc_insnreg01 = 0x084, + ps3_ehci_hc_insnreg02 = 0x088, + ps3_ehci_hc_insnreg03 = 0x08c, + }; + + /* PS3 EHCI HC errata fix 316 - The PS3 EHCI HC will reset its + * internal INSNREGXX setup regs back to the chip default values + * on Host Controller Reset (CMD_RESET) or Light Host Controller + * Reset (CMD_LRESET). The work-around for this is for the HC + * driver to re-initialise these regs when ever the HC is reset. + */ + + /* Set burst transfer counts to 256 out, 32 in. */ + + writel_be(0x01000020, (void __iomem *)ehci->regs + + ps3_ehci_hc_insnreg01); + + /* Enable burst transfer counts. */ + + writel_be(0x00000001, (void __iomem *)ehci->regs + + ps3_ehci_hc_insnreg03); +} + static int ps3_ehci_hc_reset(struct usb_hcd *hcd) { int result; @@ -49,6 +77,8 @@ static int ps3_ehci_hc_reset(struct usb_hcd *hcd) ehci_reset(ehci); + ps3_ehci_setup_insnreg(ehci); + return result; } diff --git a/drivers/usb/host/ehci-pxa168.c b/drivers/usb/host/ehci-pxa168.c index ac0c16e8f539..8d0e7a22e711 100644 --- a/drivers/usb/host/ehci-pxa168.c +++ b/drivers/usb/host/ehci-pxa168.c @@ -299,7 +299,7 @@ static int __devinit ehci_pxa168_drv_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; ehci->sbrn = 0x20; diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 4e4066c35a09..36ca5077cdf7 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -373,6 +373,17 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) retry_xacterr: if ((token & QTD_STS_ACTIVE) == 0) { + /* Report Data Buffer Error: non-fatal but useful */ + if (token & QTD_STS_DBE) + ehci_dbg(ehci, + "detected DataBufferErr for urb %p ep%d%s len %d, qtd %p [qh %p]\n", + urb, + usb_endpoint_num(&urb->ep->desc), + usb_endpoint_dir_in(&urb->ep->desc) ? "in" : "out", + urb->transfer_buffer_length, + qtd, + qh); + /* on STALL, error, and short reads this urb must * complete and all its qtds must be recycled. */ @@ -647,7 +658,7 @@ qh_urb_transaction ( /* * data transfer stage: buffer setup */ - i = urb->num_sgs; + i = urb->num_mapped_sgs; if (len > 0 && i > 0) { sg = urb->sg; buf = sg_dma_address(sg); diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 024b65c4990d..293f7412992e 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -14,8 +14,6 @@ #include <linux/clk.h> #include <linux/platform_device.h> -#include <mach/regs-pmu.h> -#include <plat/cpu.h> #include <plat/ehci.h> #include <plat/usb-phy.h> @@ -136,6 +134,8 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) /* cache this readonly data; minimize chip reads */ ehci->hcs_params = readl(&ehci->caps->hcs_params); + ehci_reset(ehci); + err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) { dev_err(&pdev->dev, "Failed to add USB HCD\n"); diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c index 54d1ab8aec49..c1eda73916cd 100644 --- a/drivers/usb/host/ehci-vt8500.c +++ b/drivers/usb/host/ehci-vt8500.c @@ -132,6 +132,8 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev) ehci_port_power(ehci, 1); + ehci_reset(ehci); + ret = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED); if (ret == 0) { diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index d661cf7de140..3d2e26cbb34c 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -78,6 +78,8 @@ static int __devinit usb_w90x900_probe(const struct hc_driver *driver, if (irq < 0) goto err4; + ehci_reset(ehci); + retval = usb_add_hcd(hcd, irq, IRQF_SHARED); if (retval != 0) goto err4; diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c index b4fb511d24bc..72f08196f8cd 100644 --- a/drivers/usb/host/ehci-xls.c +++ b/drivers/usb/host/ehci-xls.c @@ -69,7 +69,7 @@ int ehci_xls_probe_internal(const struct hc_driver *driver, } hcd->rsrc_start = res->start; - hcd->rsrc_len = res->end - res->start + 1; + hcd->rsrc_len = resource_size(res); if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, driver->description)) { diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 4ed6d19f2a54..d2623747b489 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -824,17 +824,7 @@ static struct platform_driver of_fhci_driver = { .remove = __devexit_p(of_fhci_remove), }; -static int __init fhci_module_init(void) -{ - return platform_driver_register(&of_fhci_driver); -} -module_init(fhci_module_init); - -static void __exit fhci_module_exit(void) -{ - platform_driver_unregister(&of_fhci_driver); -} -module_exit(fhci_module_exit); +module_platform_driver(of_fhci_driver); MODULE_DESCRIPTION("USB Freescale Host Controller Interface Driver"); |