diff options
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_def.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_nx.c | 16 |
2 files changed, 7 insertions, 11 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index 921054748388..031569c496e5 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -437,7 +437,7 @@ struct isp_operations { int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t); int (*idc_lock) (struct scsi_qla_host *); /* Context: task, can sleep */ void (*idc_unlock) (struct scsi_qla_host *); - void (*rom_lock_recovery) (struct scsi_qla_host *); + void (*rom_lock_recovery) (struct scsi_qla_host *); /* Context: task, can sleep */ void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int); void (*process_mailbox_interrupt) (struct scsi_qla_host *, int); }; diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 4362d0ebe0e1..fd30fbd0d33c 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -871,15 +871,18 @@ qla4_82xx_decode_crb_addr(unsigned long addr) static long rom_max_timeout = 100; static long qla4_82xx_rom_lock_timeout = 100; +/* + * Context: task, can_sleep + */ static int qla4_82xx_rom_lock(struct scsi_qla_host *ha) { - int i; int done = 0, timeout = 0; + might_sleep(); + while (!done) { /* acquire semaphore2 from PCI HW block */ - done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); if (done == 1) break; @@ -887,14 +890,7 @@ qla4_82xx_rom_lock(struct scsi_qla_host *ha) return -1; timeout++; - - /* Yield CPU */ - if (!in_interrupt()) - schedule(); - else { - for (i = 0; i < 20; i++) - cpu_relax(); /*This a nop instr on i386*/ - } + msleep(20); } qla4_82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER); return 0; |