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authorAaro Koskinen <aaro.koskinen@iki.fi>2014-08-31 20:43:50 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-02 17:48:32 (GMT)
commite301dfb208ac25db6c133079de7ae5d99cf48b5f (patch)
treef908e81eb6c8779221cf6ff57e071895dbc57a14 /drivers/staging/octeon-usb
parent587abd7b030283baf921ba1a62c8a7280fea5e9d (diff)
staging: octeon-usb: use generic control packet header
Use generic control packet header structure definition. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/octeon-usb')
-rw-r--r--drivers/staging/octeon-usb/octeon-hcd.c50
1 files 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;

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