From e301dfb208ac25db6c133079de7ae5d99cf48b5f Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Sun, 31 Aug 2014 23:43:50 +0300 Subject: [PATCH] staging: octeon-usb: use generic control packet header Use generic control packet header structure definition. Signed-off-by: Aaro Koskinen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/octeon-usb/octeon-hcd.c | 50 +++++++++------------------------ 1 file changed, 14 insertions(+), 36 deletions(-) diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c index 095cc14..f478f59 100644 --- a/drivers/staging/octeon-usb/octeon-hcd.c +++ b/drivers/staging/octeon-usb/octeon-hcd.c @@ -170,27 +170,6 @@ struct cvmx_usb_port_status { }; /** - * union cvmx_usb_control_header - the structure of a Control packet header - * - * @s.request_type: Bit 7 tells the direction: 1=IN, 0=OUT - * @s.request The standard usb request to make - * @s.value Value parameter for the request in little endian format - * @s.index Index for the request in little endian format - * @s.length Length of the data associated with this request in - * little endian format - */ -union cvmx_usb_control_header { - uint64_t u64; - struct { - uint64_t request_type : 8; - uint64_t request : 8; - uint64_t value : 16; - uint64_t index : 16; - uint64_t length : 16; - } s; -}; - -/** * struct cvmx_usb_iso_packet - descriptor for Isochronous packets * * @offset: This is the offset in bytes into the main buffer where this data @@ -1531,7 +1510,7 @@ static void __cvmx_usb_start_channel_control(struct cvmx_usb_state *usb, struct cvmx_usb_transaction *transaction = list_first_entry(&pipe->transactions, typeof(*transaction), node); - union cvmx_usb_control_header *header = + struct usb_ctrlrequest *header = cvmx_phys_to_ptr(transaction->control_header); int bytes_to_transfer = transaction->buffer_length - transaction->actual_bytes; @@ -1575,24 +1554,24 @@ static void __cvmx_usb_start_channel_control(struct cvmx_usb_state *usb, case CVMX_USB_STAGE_DATA: usbc_hctsiz.s.pid = __cvmx_usb_get_data_pid(pipe); if (__cvmx_usb_pipe_needs_split(usb, pipe)) { - if (header->s.request_type & 0x80) + if (header->bRequestType & 0x80) bytes_to_transfer = 0; else if (bytes_to_transfer > pipe->max_packet) bytes_to_transfer = pipe->max_packet; } USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index), union cvmx_usbcx_hccharx, epdir, - ((header->s.request_type & 0x80) ? + ((header->bRequestType & 0x80) ? CVMX_USB_DIRECTION_IN : CVMX_USB_DIRECTION_OUT)); break; case CVMX_USB_STAGE_DATA_SPLIT_COMPLETE: usbc_hctsiz.s.pid = __cvmx_usb_get_data_pid(pipe); - if (!(header->s.request_type & 0x80)) + if (!(header->bRequestType & 0x80)) bytes_to_transfer = 0; USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index), union cvmx_usbcx_hccharx, epdir, - ((header->s.request_type & 0x80) ? + ((header->bRequestType & 0x80) ? CVMX_USB_DIRECTION_IN : CVMX_USB_DIRECTION_OUT)); USB_SET_FIELD32(CVMX_USBCX_HCSPLTX(channel, usb->index), @@ -1603,7 +1582,7 @@ static void __cvmx_usb_start_channel_control(struct cvmx_usb_state *usb, bytes_to_transfer = 0; USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index), union cvmx_usbcx_hccharx, epdir, - ((header->s.request_type & 0x80) ? + ((header->bRequestType & 0x80) ? CVMX_USB_DIRECTION_OUT : CVMX_USB_DIRECTION_IN)); break; @@ -1612,7 +1591,7 @@ static void __cvmx_usb_start_channel_control(struct cvmx_usb_state *usb, bytes_to_transfer = 0; USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index), union cvmx_usbcx_hccharx, epdir, - ((header->s.request_type & 0x80) ? + ((header->bRequestType & 0x80) ? CVMX_USB_DIRECTION_OUT : CVMX_USB_DIRECTION_IN)); USB_SET_FIELD32(CVMX_USBCX_HCSPLTX(channel, usb->index), @@ -2443,11 +2422,10 @@ static struct cvmx_usb_transaction *cvmx_usb_submit_control( { int buffer_length = urb->transfer_buffer_length; uint64_t control_header = urb->setup_dma; - union cvmx_usb_control_header *header = - cvmx_phys_to_ptr(control_header); + struct usb_ctrlrequest *header = cvmx_phys_to_ptr(control_header); - if ((header->s.request_type & 0x80) == 0) - buffer_length = le16_to_cpu(header->s.length); + if ((header->bRequestType & 0x80) == 0) + buffer_length = le16_to_cpu(header->wLength); return __cvmx_usb_submit_transaction(usb, pipe, CVMX_USB_TRANSFER_CONTROL, @@ -2911,9 +2889,9 @@ static int __cvmx_usb_poll_channel(struct cvmx_usb_state *usb, int channel) transaction->stage = CVMX_USB_STAGE_SETUP_SPLIT_COMPLETE; else { - union cvmx_usb_control_header *header = + struct usb_ctrlrequest *header = cvmx_phys_to_ptr(transaction->control_header); - if (header->s.length) + if (header->wLength) transaction->stage = CVMX_USB_STAGE_DATA; else transaction->stage = CVMX_USB_STAGE_STATUS; @@ -2921,9 +2899,9 @@ static int __cvmx_usb_poll_channel(struct cvmx_usb_state *usb, int channel) break; case CVMX_USB_STAGE_SETUP_SPLIT_COMPLETE: { - union cvmx_usb_control_header *header = + struct usb_ctrlrequest *header = cvmx_phys_to_ptr(transaction->control_header); - if (header->s.length) + if (header->wLength) transaction->stage = CVMX_USB_STAGE_DATA; else transaction->stage = CVMX_USB_STAGE_STATUS; -- 2.7.4