mirror of https://gitee.com/openkylin/linux.git
[SCSI] ps3rom: convert to use the data buffer accessors
This converts ps3rom driver to use the new accessors for the sg lists and the parameters. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
parent
0012fdf986
commit
358147403d
|
@ -100,16 +100,16 @@ static int fill_from_dev_buffer(struct scsi_cmnd *cmd, const void *buf)
|
|||
struct scatterlist *sgpnt;
|
||||
unsigned int buflen;
|
||||
|
||||
buflen = cmd->request_bufflen;
|
||||
buflen = scsi_bufflen(cmd);
|
||||
if (!buflen)
|
||||
return 0;
|
||||
|
||||
if (!cmd->request_buffer)
|
||||
if (!scsi_sglist(cmd))
|
||||
return -1;
|
||||
|
||||
sgpnt = cmd->request_buffer;
|
||||
active = 1;
|
||||
for (k = 0, req_len = 0, act_len = 0; k < cmd->use_sg; ++k, ++sgpnt) {
|
||||
req_len = act_len = 0;
|
||||
scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) {
|
||||
if (active) {
|
||||
kaddr = kmap_atomic(sgpnt->page, KM_IRQ0);
|
||||
len = sgpnt->length;
|
||||
|
@ -124,7 +124,7 @@ static int fill_from_dev_buffer(struct scsi_cmnd *cmd, const void *buf)
|
|||
}
|
||||
req_len += sgpnt->length;
|
||||
}
|
||||
cmd->resid = req_len - act_len;
|
||||
scsi_set_resid(cmd, req_len - act_len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -138,15 +138,15 @@ static int fetch_to_dev_buffer(struct scsi_cmnd *cmd, void *buf)
|
|||
struct scatterlist *sgpnt;
|
||||
unsigned int buflen;
|
||||
|
||||
buflen = cmd->request_bufflen;
|
||||
buflen = scsi_bufflen(cmd);
|
||||
if (!buflen)
|
||||
return 0;
|
||||
|
||||
if (!cmd->request_buffer)
|
||||
if (!scsi_sglist(cmd))
|
||||
return -1;
|
||||
|
||||
sgpnt = cmd->request_buffer;
|
||||
for (k = 0, req_len = 0, fin = 0; k < cmd->use_sg; ++k, ++sgpnt) {
|
||||
req_len = fin = 0;
|
||||
scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) {
|
||||
kaddr = kmap_atomic(sgpnt->page, KM_IRQ0);
|
||||
len = sgpnt->length;
|
||||
if ((req_len + len) > buflen) {
|
||||
|
@ -177,12 +177,12 @@ static int ps3rom_atapi_request(struct ps3_storage_device *dev,
|
|||
memcpy(&atapi_cmnd.pkt, cmd->cmnd, 12);
|
||||
atapi_cmnd.pktlen = 12;
|
||||
atapi_cmnd.block_size = 1; /* transfer size is block_size * blocks */
|
||||
atapi_cmnd.blocks = atapi_cmnd.arglen = cmd->request_bufflen;
|
||||
atapi_cmnd.blocks = atapi_cmnd.arglen = scsi_bufflen(cmd);
|
||||
atapi_cmnd.buffer = dev->bounce_lpar;
|
||||
|
||||
switch (cmd->sc_data_direction) {
|
||||
case DMA_FROM_DEVICE:
|
||||
if (cmd->request_bufflen >= CD_FRAMESIZE)
|
||||
if (scsi_bufflen(cmd) >= CD_FRAMESIZE)
|
||||
atapi_cmnd.proto = DMA_PROTO;
|
||||
else
|
||||
atapi_cmnd.proto = PIO_DATA_IN_PROTO;
|
||||
|
@ -190,7 +190,7 @@ static int ps3rom_atapi_request(struct ps3_storage_device *dev,
|
|||
break;
|
||||
|
||||
case DMA_TO_DEVICE:
|
||||
if (cmd->request_bufflen >= CD_FRAMESIZE)
|
||||
if (scsi_bufflen(cmd) >= CD_FRAMESIZE)
|
||||
atapi_cmnd.proto = DMA_PROTO;
|
||||
else
|
||||
atapi_cmnd.proto = PIO_DATA_OUT_PROTO;
|
||||
|
|
Loading…
Reference in New Issue