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ieee1394: dv1394: annotate frame input/output structs as little endian

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No Functional changes.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Harvey Harrison 2008-12-13 15:20:39 -08:00 committed by Stefan Richter
parent faf26bcc47
commit 7d7039d365
2 changed files with 24 additions and 24 deletions
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44
drivers/ieee1394/dv1394-private.h
View File

@ -77,11 +77,11 @@ static inline void fill_cip_header(struct CIP_header *cip,
See the Texas Instruments OHCI 1394 chipset documentation.
*/
struct output_more_immediate { u32 q[8]; };
struct output_more { u32 q[4]; };
struct output_last { u32 q[4]; };
struct input_more { u32 q[4]; };
struct input_last { u32 q[4]; };
struct output_more_immediate { __le32 q[8]; };
struct output_more { __le32 q[4]; };
struct output_last { __le32 q[4]; };
struct input_more { __le32 q[4]; };
struct input_last { __le32 q[4]; };
/* outputs */
@ -92,9 +92,9 @@ static inline void fill_output_more_immediate(struct output_more_immediate *omi,
unsigned int payload_size)
{
omi->q[0] = cpu_to_le32(0x02000000 | 8); /* OUTPUT_MORE_IMMEDIATE; 8 is the size of the IT header */
omi->q[1] = 0;
omi->q[2] = 0;
omi->q[3] = 0;
omi->q[1] = cpu_to_le32(0);
omi->q[2] = cpu_to_le32(0);
omi->q[3] = cpu_to_le32(0);
/* IT packet header */
omi->q[4] = cpu_to_le32( (0x0 << 16) /* IEEE1394_SPEED_100 */
@ -106,8 +106,8 @@ static inline void fill_output_more_immediate(struct output_more_immediate *omi,
/* reserved field; mimic behavior of my Sony DSR-40 */
omi->q[5] = cpu_to_le32((payload_size << 16) | (0x7F << 8) | 0xA0);
omi->q[6] = 0;
omi->q[7] = 0;
omi->q[6] = cpu_to_le32(0);
omi->q[7] = cpu_to_le32(0);
}
static inline void fill_output_more(struct output_more *om,
@ -116,8 +116,8 @@ static inline void fill_output_more(struct output_more *om,
{
om->q[0] = cpu_to_le32(data_size);
om->q[1] = cpu_to_le32(data_phys_addr);
om->q[2] = 0;
om->q[3] = 0;
om->q[2] = cpu_to_le32(0);
om->q[3] = cpu_to_le32(0);
}
static inline void fill_output_last(struct output_last *ol,
@ -140,8 +140,8 @@ static inline void fill_output_last(struct output_last *ol,
ol->q[0] = cpu_to_le32(temp);
ol->q[1] = cpu_to_le32(data_phys_addr);
ol->q[2] = 0;
ol->q[3] = 0;
ol->q[2] = cpu_to_le32(0);
ol->q[3] = cpu_to_le32(0);
}
/* inputs */
@ -161,8 +161,8 @@ static inline void fill_input_more(struct input_more *im,
im->q[0] = cpu_to_le32(temp);
im->q[1] = cpu_to_le32(data_phys_addr);
im->q[2] = 0; /* branchAddress and Z not use in packet-per-buffer mode */
im->q[3] = 0; /* xferStatus & resCount, resCount must be initialize to data_size */
im->q[2] = cpu_to_le32(0); /* branchAddress and Z not use in packet-per-buffer mode */
im->q[3] = cpu_to_le32(0); /* xferStatus & resCount, resCount must be initialize to data_size */
}
static inline void fill_input_last(struct input_last *il,
@ -331,7 +331,7 @@ struct frame {
/* points to status/timestamp field of first DMA packet */
/* (we'll check it later to monitor timestamp accuracy) */
u32 *frame_begin_timestamp;
__le32 *frame_begin_timestamp;
/* the timestamp we assigned to the first packet in the frame */
u32 assigned_timestamp;
@ -348,15 +348,15 @@ struct frame {
that can cause interrupts. We'll check these from the
interrupt handler.
*/
u32 *mid_frame_timestamp;
u32 *frame_end_timestamp;
__le32 *mid_frame_timestamp;
__le32 *frame_end_timestamp;
/* branch address field of final packet. This is effectively
the "tail" in the chain of DMA descriptor blocks.
We will fill it with the address of the first DMA descriptor
block in the subsequent frame, once it is ready.
*/
u32 *frame_end_branch;
__le32 *frame_end_branch;
/* the number of descriptors in the first descriptor block
of the frame. Needed to start DMA */
@ -365,10 +365,10 @@ struct frame {
struct packet {
u16 timestamp;
__le16 timestamp;
u16 invalid;
u16 iso_header;
u16 data_length;
__le16 data_length;
u32 cip_h1;
u32 cip_h2;
unsigned char data[480];

4
drivers/ieee1394/dv1394.c
View File

@ -265,7 +265,7 @@ static void frame_prepare(struct video_card *video, unsigned int this_frame)
/* these flags denote packets that need special attention */
int empty_packet, first_packet, last_packet, mid_packet;
u32 *branch_address, *last_branch_address = NULL;
__le32 *branch_address, *last_branch_address = NULL;
unsigned long data_p;
int first_packet_empty = 0;
u32 cycleTimer, ct_sec, ct_cyc, ct_off;
@ -848,7 +848,7 @@ static void receive_packets(struct video_card *video)
dma_addr_t block_dma = 0;
struct packet *data = NULL;
dma_addr_t data_dma = 0;
u32 *last_branch_address = NULL;
__le32 *last_branch_address = NULL;
unsigned long irq_flags;
int want_interrupt = 0;
struct frame *f = NULL;