From: Saurav Kashyap Date: Wed, 23 Feb 2011 23:27:16 +0000 (-0800) Subject: [SCSI] qla2xxx: The ISP82XX should be online while waiting for commands completion. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e46ef004f8938eb7bc80f350d8efed9bf57f04b3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [SCSI] qla2xxx: The ISP82XX should be online while waiting for commands completion. If adapter is not online, the driver will not process the response queue, even on getting an interrupt. Signed-off-by: Saurav Kashyap Signed-off-by: Madhuranath Iyengar Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 9b6e39dc0d79..85b86b82b964 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -3945,7 +3945,11 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) unsigned long flags; fc_port_t *fcport; - vha->flags.online = 0; + /* For ISP82XX, driver waits for completion of the commands. + * online flag should be set. + */ + if (!IS_QLA82XX(ha)) + vha->flags.online = 0; ha->flags.chip_reset_done = 0; clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); ha->qla_stats.total_isp_aborts++; @@ -3953,7 +3957,10 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) qla_printk(KERN_INFO, ha, "Performing ISP error recovery - ha= %p.\n", ha); - /* Chip reset does not apply to 82XX */ + /* For ISP82XX, reset_chip is just disabling interrupts. + * Driver waits for the completion of the commands. + * the interrupts need to be enabled. + */ if (!IS_QLA82XX(ha)) ha->isp_ops->reset_chip(vha); @@ -3997,9 +4004,15 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) if (!ha->flags.eeh_busy) { /* Make sure for ISP 82XX IO DMA is complete */ - if (IS_QLA82XX(ha)) + if (IS_QLA82XX(ha)) { qla82xx_chip_reset_cleanup(vha); + /* Done waiting for pending commands. + * Reset the online flag. + */ + vha->flags.online = 0; + } + /* Requeue all commands in outstanding command list. */ qla2x00_abort_all_cmds(vha, DID_RESET << 16); }