From 7eef3c52dc365d19a05a974bd5fbc883feef1166 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Mon, 1 Aug 2011 19:43:45 +1000 Subject: [PATCH] ipr: Always initiate hard reset in kdump kernel commit 5d7c20b7fa5c6ca19e871b4050e321c99d32bd43 upstream. During kdump testing I noticed timeouts when initialising each IPR adapter. While the driver has logic to detect an adapter in an indeterminate state, it wasn't triggering and each adapter went through a 5 minute timeout before finally going operational. Some analysis showed the needs_hard_reset flag wasn't getting set. We can check the reset_devices kernel parameter which is set by kdump and force a full reset. This fixes the problem. Signed-off-by: Anton Blanchard Acked-by: Brian King Signed-off-by: James Bottomley Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/ipr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c3ff9a64c19..a60115958a4 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -7668,7 +7668,7 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg); if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) ioa_cfg->needs_hard_reset = 1; - if (interrupts & IPR_PCII_ERROR_INTERRUPTS) + if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) ioa_cfg->needs_hard_reset = 1; if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) ioa_cfg->ioa_unit_checked = 1; -- 2.11.4.GIT