[SCSI] qla2xxx: Add cond_resched() calls during HBA flash manipulation.
We're observing soft lockups during HBA FLASH retrieval and update. Add cond_resched() each time around the tight-loops during flash read()s/write()s. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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@ -466,6 +466,7 @@ qla24xx_read_flash_dword(scsi_qla_host_t *ha, uint32_t addr)
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udelay(10);
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else
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rval = QLA_FUNCTION_TIMEOUT;
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cond_resched();
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}
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/* TODO: What happens if we time out? */
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@ -508,6 +509,7 @@ qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data)
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udelay(10);
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else
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rval = QLA_FUNCTION_TIMEOUT;
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cond_resched();
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}
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return rval;
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}
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@ -1255,6 +1257,7 @@ qla2x00_poll_flash(scsi_qla_host_t *ha, uint32_t addr, uint8_t poll_data,
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}
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udelay(10);
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barrier();
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cond_resched();
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}
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return status;
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}
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@ -1403,6 +1406,7 @@ qla2x00_read_flash_data(scsi_qla_host_t *ha, uint8_t *tmp_buf, uint32_t saddr,
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if (saddr % 100)
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udelay(10);
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*tmp_buf = data;
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cond_resched();
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}
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}
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@ -1689,6 +1693,7 @@ update_flash:
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rval = QLA_FUNCTION_FAILED;
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break;
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}
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cond_resched();
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}
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} while (0);
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qla2x00_flash_disable(ha);
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