{"id":811006,"url":"http://patchwork.ozlabs.org/api/1.2/patches/811006/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/1504790001-24715-3-git-send-email-bmeng.cn@gmail.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.2/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<1504790001-24715-3-git-send-email-bmeng.cn@gmail.com>","list_archive_url":null,"date":"2017-09-07T13:13:19","name":"[U-Boot,3/5] dm: usb: ehci: Implement get_max_xfer_size() operation","commit_ref":"a23aa66baa3725e8707da46b18c645ad1a7243a0","pull_url":null,"state":"accepted","archived":false,"hash":"dc31f9ad9524ff091b43f7b98fe1d37820a9be6b","submitter":{"id":64981,"url":"http://patchwork.ozlabs.org/api/1.2/people/64981/?format=json","name":"Bin Meng","email":"bmeng.cn@gmail.com"},"delegate":{"id":1699,"url":"http://patchwork.ozlabs.org/api/1.2/users/1699/?format=json","username":"marex","first_name":"Marek","last_name":"Vasut","email":"marek.vasut@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/1504790001-24715-3-git-send-email-bmeng.cn@gmail.com/mbox/","series":[{"id":1998,"url":"http://patchwork.ozlabs.org/api/1.2/series/1998/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=1998","date":"2017-09-07T13:13:17","name":"[U-Boot,1/5] dm: usb: Add a new USB controller operation 'get_max_xfer_size'","version":1,"mbox":"http://patchwork.ozlabs.org/series/1998/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/811006/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/811006/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "},"content":"EHCD can handle any transfer length as long as there is enough free\nheap space left, hence set the theoretical max number SIZE_MAX.\n\nSigned-off-by: Bin Meng \n---\n\n drivers/usb/host/ehci-hcd.c | 12 ++++++++++++\n 1 file changed, 12 insertions(+)","diff":"diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c\nindex 3243c1d..be3e842 100644\n--- a/drivers/usb/host/ehci-hcd.c\n+++ b/drivers/usb/host/ehci-hcd.c\n@@ -1596,6 +1596,17 @@ static int ehci_destroy_int_queue(struct udevice *dev, struct usb_device *udev,\n \treturn _ehci_destroy_int_queue(udev, queue);\n }\n \n+static int ehci_get_max_xfer_size(struct udevice *dev, size_t *size)\n+{\n+\t/*\n+\t * EHCD can handle any transfer length as long as there is enough\n+\t * free heap space left, hence set the theoretical max number here.\n+\t */\n+\t*size = SIZE_MAX;\n+\n+\treturn 0;\n+}\n+\n int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,\n \t\t struct ehci_hcor *hcor, const struct ehci_ops *ops,\n \t\t uint tweaks, enum usb_init_type init)\n@@ -1658,6 +1669,7 @@ struct dm_usb_ops ehci_usb_ops = {\n \t.create_int_queue = ehci_create_int_queue,\n \t.poll_int_queue = ehci_poll_int_queue,\n \t.destroy_int_queue = ehci_destroy_int_queue,\n+\t.get_max_xfer_size = ehci_get_max_xfer_size,\n };\n \n #endif\n","prefixes":["U-Boot","3/5"]}