Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933122Ab2JCPVq (ORCPT ); Wed, 3 Oct 2012 11:21:46 -0400 Received: from zmc.proxad.net ([212.27.53.206]:36896 "EHLO zmc.proxad.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932415Ab2JCPNu (ORCPT ); Wed, 3 Oct 2012 11:13:50 -0400 X-Greylist: delayed 564 seconds by postgrey-1.27 at vger.kernel.org; Wed, 03 Oct 2012 11:13:49 EDT From: Florian Fainelli To: stern@rowland.harvard.edu Cc: linux-usb@vger.kernel.org, Florian Fainelli , Greg Kroah-Hartman , Hauke Mehrtens , Felipe Balbi , linux-kernel@vger.kernel.org Subject: [PATCH 19/25] USB: ohci: remove Octeon OHCI platform driver Date: Wed, 3 Oct 2012 17:03:15 +0200 Message-Id: <1349276601-8371-21-git-send-email-florian@openwrt.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1349276601-8371-1-git-send-email-florian@openwrt.org> References: <1349276601-8371-1-git-send-email-florian@openwrt.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6742 Lines: 276 All users have been converted to use the OHCI platform driver instead. Signed-off-by: Florian Fainelli --- drivers/usb/host/Kconfig | 6 +- drivers/usb/host/ohci-hcd.c | 5 - drivers/usb/host/ohci-octeon.c | 214 ---------------------------------------- 3 files changed, 5 insertions(+), 220 deletions(-) delete mode 100644 drivers/usb/host/ohci-octeon.c diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 3742f73..e9c277b 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -650,12 +650,16 @@ config USB_OCTEON_EHCI supported. config USB_OCTEON_OHCI - bool "Octeon on-chip OHCI support" + bool "Octeon on-chip OHCI support (DEPRECATED)" depends on USB && USB_OHCI_HCD && CPU_CAVIUM_OCTEON default USB_OCTEON_EHCI select USB_OHCI_BIG_ENDIAN_MMIO select USB_OHCI_LITTLE_ENDIAN + select USB_EHCI_HCD_PLATFORM if USB_OHCI_HCD help + This option is deprecated now and the driver was removed, use + USB_OHCI_HCD_PLATFORM instead. + Enable support for the Octeon II SOC's on-chip OHCI controller. It is needed for low-speed USB 1.0 device support. All CN6XXX based chips with USB are supported. diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 5648f09..b099024 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1090,11 +1090,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_jz4740_driver #endif -#ifdef CONFIG_USB_OCTEON_OHCI -#include "ohci-octeon.c" -#define PLATFORM_DRIVER ohci_octeon_driver -#endif - #ifdef CONFIG_TILE_USB #include "ohci-tilegx.c" #define PLATFORM_DRIVER ohci_hcd_tilegx_driver diff --git a/drivers/usb/host/ohci-octeon.c b/drivers/usb/host/ohci-octeon.c deleted file mode 100644 index d469bf9..0000000 --- a/drivers/usb/host/ohci-octeon.c +++ /dev/null @@ -1,214 +0,0 @@ -/* - * EHCI HCD glue for Cavium Octeon II SOCs. - * - * Loosely based on ehci-au1xxx.c - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2010 Cavium Networks - * - */ - -#include - -#include -#include - -#define OCTEON_OHCI_HCD_NAME "octeon-ohci" - -/* Common clock init code. */ -void octeon2_usb_clocks_start(void); -void octeon2_usb_clocks_stop(void); - -static void ohci_octeon_hw_start(void) -{ - union cvmx_uctlx_ohci_ctl ohci_ctl; - - octeon2_usb_clocks_start(); - - ohci_ctl.u64 = cvmx_read_csr(CVMX_UCTLX_OHCI_CTL(0)); - ohci_ctl.s.l2c_addr_msb = 0; - ohci_ctl.s.l2c_buff_emod = 1; /* Byte swapped. */ - ohci_ctl.s.l2c_desc_emod = 1; /* Byte swapped. */ - cvmx_write_csr(CVMX_UCTLX_OHCI_CTL(0), ohci_ctl.u64); - -} - -static void ohci_octeon_hw_stop(void) -{ - /* Undo ohci_octeon_start() */ - octeon2_usb_clocks_stop(); -} - -static int __devinit ohci_octeon_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - ret = ohci_init(ohci); - - if (ret < 0) - return ret; - - ret = ohci_run(ohci); - - if (ret < 0) { - ohci_err(ohci, "can't start %s", hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - - return 0; -} - -static const struct hc_driver ohci_octeon_hc_driver = { - .description = hcd_name, - .product_desc = "Octeon OHCI", - .hcd_priv_size = sizeof(struct ohci_hcd), - - /* - * generic hardware linkage - */ - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .start = ohci_octeon_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, - - .start_port_reset = ohci_start_port_reset, -}; - -static int ohci_octeon_drv_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct ohci_hcd *ohci; - void *reg_base; - struct resource *res_mem; - int irq; - int ret; - - if (usb_disabled()) - return -ENODEV; - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "No irq assigned\n"); - return -ENODEV; - } - - res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res_mem == NULL) { - dev_err(&pdev->dev, "No register space assigned\n"); - return -ENODEV; - } - - /* Ohci is a 32-bit device. */ - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; - - hcd = usb_create_hcd(&ohci_octeon_hc_driver, &pdev->dev, "octeon"); - if (!hcd) - return -ENOMEM; - - hcd->rsrc_start = res_mem->start; - hcd->rsrc_len = resource_size(res_mem); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, - OCTEON_OHCI_HCD_NAME)) { - dev_err(&pdev->dev, "request_mem_region failed\n"); - ret = -EBUSY; - goto err1; - } - - reg_base = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!reg_base) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENOMEM; - goto err2; - } - - ohci_octeon_hw_start(); - - hcd->regs = reg_base; - - ohci = hcd_to_ohci(hcd); - - /* Octeon OHCI matches CPU endianness. */ -#ifdef __BIG_ENDIAN - ohci->flags |= OHCI_QUIRK_BE_MMIO; -#endif - - ohci_hcd_init(ohci); - - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret) { - dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret); - goto err3; - } - - platform_set_drvdata(pdev, hcd); - - return 0; - -err3: - ohci_octeon_hw_stop(); - - iounmap(hcd->regs); -err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err1: - usb_put_hcd(hcd); - return ret; -} - -static int ohci_octeon_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - - ohci_octeon_hw_stop(); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver ohci_octeon_driver = { - .probe = ohci_octeon_drv_probe, - .remove = ohci_octeon_drv_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = OCTEON_OHCI_HCD_NAME, - .owner = THIS_MODULE, - } -}; - -MODULE_ALIAS("platform:" OCTEON_OHCI_HCD_NAME); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/