0122-ata-libahci-ignore-staggered-spin-up.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Joe Konno <joe.konno@intel.com>
Date: Tue, 25 Jun 2019 10:35:54 -0700
Subject: [PATCH] ata: libahci: ignore staggered spin-up

Change libahci to ignore firmware's staggered spin-up flag. End-users
who wish to honor firmware's SSS flag can add the following kernel
parameter to a new file at /etc/kernel/cmdline.d/ignore_sss.conf:
    libahci.ignore_sss=0

And then run
    sudo clr-boot-manager update

Signed-off-by: Joe Konno <joe.konno@intel.com>
---
 drivers/ata/libahci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 0ed484e04fd6..bbcb54da7a31 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -33,14 +33,14 @@
 #include "libata.h"
 
 static int ahci_skip_host_reset;
-int ahci_ignore_sss;
+int ahci_ignore_sss=1;
 EXPORT_SYMBOL_GPL(ahci_ignore_sss);
 
 module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444);
 MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)");
 
 module_param_named(ignore_sss, ahci_ignore_sss, int, 0444);
-MODULE_PARM_DESC(ignore_sss, "Ignore staggered spinup flag (0=don't ignore, 1=ignore)");
+MODULE_PARM_DESC(ignore_sss, "Ignore staggered spinup flag (0=don't ignore, 1=ignore [default])");
 
 static int ahci_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
 			unsigned hints);
-- 
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