X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fblock%2Fsx8.c;h=cd5674b63faffb7215c7f02358a1cb9791579913;hb=deb09c435e3f947f8b2c9d5df6a9c0a5b472b125;hp=402209fec59a75dbfe0b356b89c4537e4dcb1c46;hpb=2f66b529d9d131971e2509aee5478c61ca258ece;p=linux-2.6-omap-h63xx.git diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 402209fec59..cd5674b63fa 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -522,6 +523,7 @@ static struct carm_request *carm_get_request(struct carm_host *host) host->n_msgs++; assert(host->n_msgs <= CARM_MAX_REQ); + sg_init_table(crq->sg, CARM_MAX_REQ_SG); return crq; } @@ -742,16 +744,14 @@ static unsigned int carm_fill_get_fw_ver(struct carm_host *host, static inline void carm_end_request_queued(struct carm_host *host, struct carm_request *crq, - int uptodate) + int error) { struct request *req = crq->rq; int rc; - rc = end_that_request_first(req, uptodate, req->hard_nr_sectors); + rc = __blk_end_request(req, error, blk_rq_bytes(req)); assert(rc == 0); - end_that_request_last(req, uptodate); - rc = carm_put_request(host, crq); assert(rc == 0); } @@ -791,9 +791,9 @@ static inline void carm_round_robin(struct carm_host *host) } static inline void carm_end_rq(struct carm_host *host, struct carm_request *crq, - int is_ok) + int error) { - carm_end_request_queued(host, crq, is_ok); + carm_end_request_queued(host, crq, error); if (max_queue == 1) carm_round_robin(host); else if ((host->n_msgs <= CARM_MSG_LOW_WATER) && @@ -871,14 +871,14 @@ queue_one_request: sg = &crq->sg[0]; n_elem = blk_rq_map_sg(q, rq, sg); if (n_elem <= 0) { - carm_end_rq(host, crq, 0); + carm_end_rq(host, crq, -EIO); return; /* request with no s/g entries? */ } /* map scatterlist to PCI bus addresses */ n_elem = pci_map_sg(host->pdev, sg, n_elem, pci_dir); if (n_elem <= 0) { - carm_end_rq(host, crq, 0); + carm_end_rq(host, crq, -EIO); return; /* request with no s/g entries? */ } crq->n_elem = n_elem; @@ -939,7 +939,7 @@ queue_one_request: static void carm_handle_array_info(struct carm_host *host, struct carm_request *crq, u8 *mem, - int is_ok) + int error) { struct carm_port *port; u8 *msg_data = mem + sizeof(struct carm_array_info); @@ -950,9 +950,9 @@ static void carm_handle_array_info(struct carm_host *host, DPRINTK("ENTER\n"); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); - if (!is_ok) + if (error) goto out; if (le32_to_cpu(desc->array_status) & ARRAY_NO_EXIST) goto out; @@ -999,7 +999,7 @@ out: static void carm_handle_scan_chan(struct carm_host *host, struct carm_request *crq, u8 *mem, - int is_ok) + int error) { u8 *msg_data = mem + IOC_SCAN_CHAN_OFFSET; unsigned int i, dev_count = 0; @@ -1007,9 +1007,9 @@ static void carm_handle_scan_chan(struct carm_host *host, DPRINTK("ENTER\n"); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); - if (!is_ok) { + if (error) { new_state = HST_ERROR; goto out; } @@ -1031,23 +1031,23 @@ out: } static void carm_handle_generic(struct carm_host *host, - struct carm_request *crq, int is_ok, + struct carm_request *crq, int error, int cur_state, int next_state) { DPRINTK("ENTER\n"); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); assert(host->state == cur_state); - if (is_ok) - host->state = next_state; - else + if (error) host->state = HST_ERROR; + else + host->state = next_state; schedule_work(&host->fsm_task); } static inline void carm_handle_rw(struct carm_host *host, - struct carm_request *crq, int is_ok) + struct carm_request *crq, int error) { int pci_dir; @@ -1060,7 +1060,7 @@ static inline void carm_handle_rw(struct carm_host *host, pci_unmap_sg(host->pdev, &crq->sg[0], crq->n_elem, pci_dir); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); } static inline void carm_handle_resp(struct carm_host *host, @@ -1069,7 +1069,7 @@ static inline void carm_handle_resp(struct carm_host *host, u32 handle = le32_to_cpu(ret_handle_le); unsigned int msg_idx; struct carm_request *crq; - int is_ok = (status == RMSG_OK); + int error = (status == RMSG_OK) ? 0 : -EIO; u8 *mem; VPRINTK("ENTER, handle == 0x%x\n", handle); @@ -1088,7 +1088,7 @@ static inline void carm_handle_resp(struct carm_host *host, /* fast path */ if (likely(crq->msg_type == CARM_MSG_READ || crq->msg_type == CARM_MSG_WRITE)) { - carm_handle_rw(host, crq, is_ok); + carm_handle_rw(host, crq, error); return; } @@ -1098,7 +1098,7 @@ static inline void carm_handle_resp(struct carm_host *host, case CARM_MSG_IOCTL: { switch (crq->msg_subtype) { case CARM_IOC_SCAN_CHAN: - carm_handle_scan_chan(host, crq, mem, is_ok); + carm_handle_scan_chan(host, crq, mem, error); break; default: /* unknown / invalid response */ @@ -1110,21 +1110,21 @@ static inline void carm_handle_resp(struct carm_host *host, case CARM_MSG_MISC: { switch (crq->msg_subtype) { case MISC_ALLOC_MEM: - carm_handle_generic(host, crq, is_ok, + carm_handle_generic(host, crq, error, HST_ALLOC_BUF, HST_SYNC_TIME); break; case MISC_SET_TIME: - carm_handle_generic(host, crq, is_ok, + carm_handle_generic(host, crq, error, HST_SYNC_TIME, HST_GET_FW_VER); break; case MISC_GET_FW_VER: { struct carm_fw_ver *ver = (struct carm_fw_ver *) mem + sizeof(struct carm_msg_get_fw_ver); - if (is_ok) { + if (!error) { host->fw_ver = le32_to_cpu(ver->version); host->flags |= (ver->features & FL_FW_VER_MASK); } - carm_handle_generic(host, crq, is_ok, + carm_handle_generic(host, crq, error, HST_GET_FW_VER, HST_PORT_SCAN); break; } @@ -1138,7 +1138,7 @@ static inline void carm_handle_resp(struct carm_host *host, case CARM_MSG_ARRAY: { switch (crq->msg_subtype) { case CARM_ARRAY_INFO: - carm_handle_array_info(host, crq, mem, is_ok); + carm_handle_array_info(host, crq, mem, error); break; default: /* unknown / invalid response */ @@ -1157,7 +1157,7 @@ static inline void carm_handle_resp(struct carm_host *host, err_out: printk(KERN_WARNING DRV_NAME "(%s): BUG: unhandled message type %d/%d\n", pci_name(host->pdev), crq->msg_type, crq->msg_subtype); - carm_end_rq(host, crq, 0); + carm_end_rq(host, crq, -EIO); } static inline void carm_handle_responses(struct carm_host *host)