src/patches/suse-2.6.27.31/patches.drivers/libata-ahci-sb600-srst-workaround-soften-msg

   1 Subject: ahci: soften up the dmesg on SB600 PMP softreset failure recovery
   2 From: Shane Huang <shane.huang@amd.com>
   3 References: bnc#527748
   4
   5 Too strong words led to spurious bug reports: Novell bugzilla #527748,
   6 RedHat bugzilla #468800. This patch is used to soften up the dmesg on
   7 SB600 PMP softreset failure recovery, so as to remove the scariness and
   8 concern from community.
   9
  10 Reported-by: pgnet Dev <pgnet.dev@gmail.com>
  11 Signed-off-by: Shane Huang <shane.huang@amd.com>
  12 Cc: Tejun Heo <tj@kernel.org>
  13 Signed-off-by: Tejun Heo <teheo@suse.de>
  14 ---
  15  drivers/ata/ahci.c |    3 ++-
  16  1 file changed, 2 insertions(+), 1 deletion(-)
  17
  18 Index: linux-2.6.27-SLE11_BRANCH/drivers/ata/ahci.c
  19 ===================================================================
  20 --- linux-2.6.27-SLE11_BRANCH.orig/drivers/ata/ahci.c
  21 +++ linux-2.6.27-SLE11_BRANCH/drivers/ata/ahci.c
  22 @@ -1735,7 +1735,8 @@ static int ahci_sb600_softreset(struct a
  23                 irq_sts = readl(port_mmio + PORT_IRQ_STAT);
  24                 if (irq_sts & PORT_IRQ_BAD_PMP) {
  25                         ata_link_printk(link, KERN_WARNING,
  26 -                                       "failed due to HW bug, retry pmp=0\n");
  27 +                                       "applying SB600 PMP SRST workaround "
  28 +                                       "and retrying\n");
  29                         rc = ahci_do_softreset(link, class, 0, deadline,
  30                                                ahci_check_ready);
  31                 }