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author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2013-07-30 23:43:06 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-31 17:51:45 -0700 |
commit | 48f61f832d6b369bf2d6d790ad7073cc19507045 (patch) | |
tree | e66b342d5d6dda35113b8a3feaccddd9dfe042ae /drivers/staging/octeon-usb | |
parent | a24ed35a19bd97e2803ad4fcc39732734d62fd93 (diff) | |
download | linux-48f61f832d6b369bf2d6d790ad7073cc19507045.tar.bz2 |
staging: octeon-usb: cvmx_usb_transaction_t -> struct cvmx_usb_transaction
Replace cvmx_usb_transaction_t with struct cvmx_usb_transaction.
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/cvmx-usb.c | 89 |
1 files changed, 53 insertions, 36 deletions
diff --git a/drivers/staging/octeon-usb/cvmx-usb.c b/drivers/staging/octeon-usb/cvmx-usb.c index c7f7566048cf..beb3963dd5e6 100644 --- a/drivers/staging/octeon-usb/cvmx-usb.c +++ b/drivers/staging/octeon-usb/cvmx-usb.c @@ -115,29 +115,46 @@ enum cvmx_usb_stage { }; /** - * This structure describes each pending USB transaction - * regardless of type. These are linked together to form a list - * of pending requests for a pipe. + * struct cvmx_usb_transaction - describes each pending USB transaction + * regardless of type. These are linked together + * to form a list of pending requests for a pipe. + * + * @prev: Transaction before this one in the pipe. + * @next: Transaction after this one in the pipe. + * @type: Type of transaction, duplicated of the pipe. + * @flags: State flags for this transaction. + * @buffer: User's physical buffer address to read/write. + * @buffer_length: Size of the user's buffer in bytes. + * @control_header: For control transactions, physical address of the 8 + * byte standard header. + * @iso_start_frame: For ISO transactions, the starting frame number. + * @iso_number_packets: For ISO transactions, the number of packets in the + * request. + * @iso_packets: For ISO transactions, the sub packets in the request. + * @actual_bytes: Actual bytes transfer for this transaction. + * @stage: For control transactions, the current stage. + * @callback: User's callback function when complete. + * @callback_data: User's data. */ -typedef struct cvmx_usb_transaction { - struct cvmx_usb_transaction *prev; /**< Transaction before this one in the pipe */ - struct cvmx_usb_transaction *next; /**< Transaction after this one in the pipe */ - enum cvmx_usb_transfer type; /**< Type of transaction, duplicated of the pipe */ - enum cvmx_usb_transaction_flags flags; /**< State flags for this transaction */ - uint64_t buffer; /**< User's physical buffer address to read/write */ - int buffer_length; /**< Size of the user's buffer in bytes */ - uint64_t control_header; /**< For control transactions, physical address of the 8 byte standard header */ - int iso_start_frame; /**< For ISO transactions, the starting frame number */ - int iso_number_packets; /**< For ISO transactions, the number of packets in the request */ - struct cvmx_usb_iso_packet *iso_packets;/**< For ISO transactions, the sub packets in the request */ +struct cvmx_usb_transaction { + struct cvmx_usb_transaction *prev; + struct cvmx_usb_transaction *next; + enum cvmx_usb_transfer type; + enum cvmx_usb_transaction_flags flags; + uint64_t buffer; + int buffer_length; + uint64_t control_header; + int iso_start_frame; + int iso_number_packets; + struct cvmx_usb_iso_packet *iso_packets; int xfersize; int pktcnt; int retries; - int actual_bytes; /**< Actual bytes transfer for this transaction */ - enum cvmx_usb_stage stage; /**< For control transactions, the current stage */ - cvmx_usb_callback_func_t callback; /**< User's callback function when complete */ - void *callback_data; /**< User's data */ -} cvmx_usb_transaction_t; + int actual_bytes; + enum cvmx_usb_stage stage; + cvmx_usb_callback_func_t callback; + void *callback_data; +}; /** * A pipe represents a virtual connection between Octeon and some @@ -146,8 +163,8 @@ typedef struct cvmx_usb_transaction { typedef struct cvmx_usb_pipe { struct cvmx_usb_pipe *prev; /**< Pipe before this one in the list */ struct cvmx_usb_pipe *next; /**< Pipe after this one in the list */ - cvmx_usb_transaction_t *head; /**< The first pending transaction */ - cvmx_usb_transaction_t *tail; /**< The last pending transaction */ + struct cvmx_usb_transaction *head; /**< The first pending transaction */ + struct cvmx_usb_transaction *tail; /**< The last pending transaction */ uint64_t interval; /**< For periodic pipes, the interval between packets in frames */ uint64_t next_tx_frame; /**< The next frame this pipe is allowed to transmit on */ enum cvmx_usb_pipe_flags flags; /**< State flags for this pipe */ @@ -189,10 +206,10 @@ typedef struct { int idle_hardware_channels; /**< Bit set for every idle hardware channel */ cvmx_usbcx_hprt_t usbcx_hprt; /**< Stored port status so we don't need to read a CSR to determine splits */ cvmx_usb_pipe_t *pipe_for_channel[MAX_CHANNELS]; /**< Map channels to pipes */ - cvmx_usb_transaction_t *free_transaction_head; /**< List of free transactions head */ - cvmx_usb_transaction_t *free_transaction_tail; /**< List of free transactions tail */ + struct cvmx_usb_transaction *free_transaction_head; /**< List of free transactions head */ + struct cvmx_usb_transaction *free_transaction_tail; /**< List of free transactions tail */ cvmx_usb_pipe_t pipe[MAX_PIPES]; /**< Storage for pipes */ - cvmx_usb_transaction_t transaction[MAX_TRANSACTIONS]; /**< Storage for transactions */ + struct cvmx_usb_transaction transaction[MAX_TRANSACTIONS]; /**< Storage for transactions */ cvmx_usb_callback_func_t callback[__CVMX_USB_CALLBACK_END]; /**< User global callbacks */ void *callback_data[__CVMX_USB_CALLBACK_END]; /**< User data for each callback */ int indent; /**< Used by debug output to indent functions */ @@ -201,7 +218,7 @@ typedef struct { cvmx_usb_pipe_list_t idle_pipes; /**< List of open pipes that have no transactions */ cvmx_usb_pipe_list_t active_pipes[4]; /**< Active pipes indexed by transfer type */ uint64_t frame_number; /**< Increments every SOF interrupt for time keeping */ - cvmx_usb_transaction_t *active_split; /**< Points to the current active split, or NULL */ + struct cvmx_usb_transaction *active_split; /**< Points to the current active split, or NULL */ cvmx_usb_tx_fifo_t periodic; cvmx_usb_tx_fifo_t nonperiodic; } cvmx_usb_internal_state_t; @@ -391,9 +408,9 @@ int cvmx_usb_get_num_ports(void) * * Returns: Transaction or NULL */ -static inline cvmx_usb_transaction_t *__cvmx_usb_alloc_transaction(cvmx_usb_internal_state_t *usb) +static inline struct cvmx_usb_transaction *__cvmx_usb_alloc_transaction(cvmx_usb_internal_state_t *usb) { - cvmx_usb_transaction_t *t; + struct cvmx_usb_transaction *t; t = usb->free_transaction_head; if (t) { usb->free_transaction_head = t->next; @@ -417,7 +434,7 @@ static inline cvmx_usb_transaction_t *__cvmx_usb_alloc_transaction(cvmx_usb_inte * Transaction to free */ static inline void __cvmx_usb_free_transaction(cvmx_usb_internal_state_t *usb, - cvmx_usb_transaction_t *transaction) + struct cvmx_usb_transaction *transaction) { transaction->flags = 0; transaction->prev = NULL; @@ -1022,7 +1039,7 @@ void cvmx_usb_set_status(struct cvmx_usb_state *state, struct cvmx_usb_port_stat * Returns: Handle */ static inline int __cvmx_usb_get_submit_handle(cvmx_usb_internal_state_t *usb, - cvmx_usb_transaction_t *transaction) + struct cvmx_usb_transaction *transaction) { return ((unsigned long)transaction - (unsigned long)usb->transaction) / sizeof(*transaction); @@ -1380,7 +1397,7 @@ static void __cvmx_usb_start_channel_control(cvmx_usb_internal_state_t *usb, int channel, cvmx_usb_pipe_t *pipe) { - cvmx_usb_transaction_t *transaction = pipe->head; + struct cvmx_usb_transaction *transaction = pipe->head; cvmx_usb_control_header_t *header = cvmx_phys_to_ptr(transaction->control_header); int bytes_to_transfer = transaction->buffer_length - transaction->actual_bytes; int packets_to_transfer; @@ -1509,7 +1526,7 @@ static void __cvmx_usb_start_channel(cvmx_usb_internal_state_t *usb, int channel, cvmx_usb_pipe_t *pipe) { - cvmx_usb_transaction_t *transaction = pipe->head; + struct cvmx_usb_transaction *transaction = pipe->head; /* Make sure all writes to the DMA region get flushed */ CVMX_SYNCW; @@ -1900,7 +1917,7 @@ done: */ static void __cvmx_usb_perform_callback(cvmx_usb_internal_state_t *usb, cvmx_usb_pipe_t *pipe, - cvmx_usb_transaction_t *transaction, + struct cvmx_usb_transaction *transaction, enum cvmx_usb_callback reason, enum cvmx_usb_complete complete_code) { @@ -1945,7 +1962,7 @@ static void __cvmx_usb_perform_callback(cvmx_usb_internal_state_t *usb, */ static void __cvmx_usb_perform_complete(cvmx_usb_internal_state_t *usb, cvmx_usb_pipe_t *pipe, - cvmx_usb_transaction_t *transaction, + struct cvmx_usb_transaction *transaction, enum cvmx_usb_complete complete_code) { /* If this was a split then clear our split in progress marker */ @@ -2037,7 +2054,7 @@ static int __cvmx_usb_submit_transaction(cvmx_usb_internal_state_t *usb, void *user_data) { int submit_handle; - cvmx_usb_transaction_t *transaction; + struct cvmx_usb_transaction *transaction; cvmx_usb_pipe_t *pipe = usb->pipe + pipe_handle; if (unlikely((pipe_handle < 0) || (pipe_handle >= MAX_PIPES))) @@ -2382,7 +2399,7 @@ int cvmx_usb_submit_isochronous(struct cvmx_usb_state *state, int pipe_handle, */ int cvmx_usb_cancel(struct cvmx_usb_state *state, int pipe_handle, int submit_handle) { - cvmx_usb_transaction_t *transaction; + struct cvmx_usb_transaction *transaction; cvmx_usb_internal_state_t *usb = (cvmx_usb_internal_state_t *)state; cvmx_usb_pipe_t *pipe = usb->pipe + pipe_handle; @@ -2561,7 +2578,7 @@ static int __cvmx_usb_poll_channel(cvmx_usb_internal_state_t *usb, int channel) cvmx_usbcx_hctsizx_t usbc_hctsiz; cvmx_usbcx_hccharx_t usbc_hcchar; cvmx_usb_pipe_t *pipe; - cvmx_usb_transaction_t *transaction; + struct cvmx_usb_transaction *transaction; int bytes_this_transfer; int bytes_in_last_packet; int packets_processed; |