diff options
author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 08:41:41 -0400 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 13:07:53 -0400 |
commit | 816724e65c72a90a44fbad0ef0b59b186c85fa90 (patch) | |
tree | 421fa29aedff988e392f92780637553e275d37a0 /drivers/usb/host/ehci-pci.c | |
parent | 70ac4385a13f78bc478f26d317511893741b05bd (diff) | |
parent | d384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff) |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts:
fs/nfs/inode.c
fs/super.c
Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch
'VFS: Permit filesystem to override root dentry on mount'
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
-rw-r--r-- | drivers/usb/host/ehci-pci.c | 59 |
1 files changed, 24 insertions, 35 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index a1bd2bea6de..cadffacd945 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -76,6 +76,30 @@ static int ehci_pci_setup(struct usb_hcd *hcd) dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); + /* ehci_init() causes memory for DMA transfers to be + * allocated. Thus, any vendor-specific workarounds based on + * limiting the type of memory used for DMA transfers must + * happen before ehci_init() is called. */ + switch (pdev->vendor) { + case PCI_VENDOR_ID_NVIDIA: + /* NVidia reports that certain chips don't handle + * QH, ITD, or SITD addresses above 2GB. (But TD, + * data buffer, and periodic schedule are normal.) + */ + switch (pdev->device) { + case 0x003c: /* MCP04 */ + case 0x005b: /* CK804 */ + case 0x00d8: /* CK8 */ + case 0x00e8: /* CK8S */ + if (pci_set_consistent_dma_mask(pdev, + DMA_31BIT_MASK) < 0) + ehci_warn(ehci, "can't enable NVidia " + "workaround for >2GB RAM\n"); + break; + } + break; + } + /* cache this readonly data; minimize chip reads */ ehci->hcs_params = readl(&ehci->caps->hcs_params); @@ -88,8 +112,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) if (retval) return retval; - /* NOTE: only the parts below this line are PCI-specific */ - switch (pdev->vendor) { case PCI_VENDOR_ID_TDI: if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { @@ -107,19 +129,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; case PCI_VENDOR_ID_NVIDIA: switch (pdev->device) { - /* NVidia reports that certain chips don't handle - * QH, ITD, or SITD addresses above 2GB. (But TD, - * data buffer, and periodic schedule are normal.) - */ - case 0x003c: /* MCP04 */ - case 0x005b: /* CK804 */ - case 0x00d8: /* CK8 */ - case 0x00e8: /* CK8S */ - if (pci_set_consistent_dma_mask(pdev, - DMA_31BIT_MASK) < 0) - ehci_warn(ehci, "can't enable NVidia " - "workaround for >2GB RAM\n"); - break; /* Some NForce2 chips have problems with selective suspend; * fixed in newer silicon. */ @@ -370,23 +379,3 @@ static struct pci_driver ehci_pci_driver = { .resume = usb_hcd_pci_resume, #endif }; - -static int __init ehci_hcd_pci_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n", - hcd_name, - sizeof(struct ehci_qh), sizeof(struct ehci_qtd), - sizeof(struct ehci_itd), sizeof(struct ehci_sitd)); - - return pci_register_driver(&ehci_pci_driver); -} -module_init(ehci_hcd_pci_init); - -static void __exit ehci_hcd_pci_cleanup(void) -{ - pci_unregister_driver(&ehci_pci_driver); -} -module_exit(ehci_hcd_pci_cleanup); |