diff options
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 5 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.c | 25 |
2 files changed, 16 insertions, 14 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index ed9b10f8537d..fe3c0e2f1ce8 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -3296,8 +3296,10 @@ struct isp_operations { void (*fw_dump)(struct scsi_qla_host *vha); void (*mpi_fw_dump)(struct scsi_qla_host *, int); + /* Context: task, might sleep */ int (*beacon_on) (struct scsi_qla_host *); int (*beacon_off) (struct scsi_qla_host *); + void (*beacon_blink) (struct scsi_qla_host *); void *(*read_optrom)(struct scsi_qla_host *, void *, @@ -3308,7 +3310,10 @@ struct isp_operations { int (*get_flash_version) (struct scsi_qla_host *, void *); int (*start_scsi) (srb_t *); int (*start_scsi_mq) (srb_t *); + + /* Context: task, might sleep */ int (*abort_isp) (struct scsi_qla_host *); + int (*iospace_config)(struct qla_hw_data *); int (*initialize_adapter)(struct scsi_qla_host *); }; diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index b3ba0de5d4fb..b2017f1c3504 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -489,29 +489,26 @@ qla82xx_rd_32(struct qla_hw_data *ha, ulong off_in) return data; } -#define IDC_LOCK_TIMEOUT 100000000 +/* + * Context: task, might sleep + */ int qla82xx_idc_lock(struct qla_hw_data *ha) { - int i; - int done = 0, timeout = 0; + const int delay_ms = 100, timeout_ms = 2000; + int done, total = 0; - while (!done) { + might_sleep(); + + while (true) { /* acquire semaphore5 from PCI HW block */ done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK)); if (done == 1) break; - if (timeout >= IDC_LOCK_TIMEOUT) + if (WARN_ON_ONCE(total >= timeout_ms)) return -1; - timeout++; - - /* Yield CPU */ - if (!in_interrupt()) - schedule(); - else { - for (i = 0; i < 20; i++) - cpu_relax(); - } + total += delay_ms; + msleep(delay_ms); } return 0; |