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authorJerry Hoemann <jerry.hoemann@hpe.com>2017-10-23 16:46:16 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-15 10:56:55 +0100
commit2ade2293099d0e55f41bfd27c688586a19dcc591 (patch)
parent7e9c540258afcda2c8dfc4e823595711bfc008a1 (diff)
watchdog: hpwdt: SMBIOS check
commit c42cbe41727a138905a28f8e0b00c147be77ee93 upstream. This corrects: commit cce78da76601 ("watchdog: hpwdt: Add check for UEFI bits") The test on HPE SMBIOS extension type 219 record "Misc Features" bits for UEFI support is incorrect. The definition of the Misc Features bits in the HPE SMBIOS OEM Extensions specification (and related firmware) was changed to use a different pair of bits to represent UEFI supported. Howerver, a corresponding change to Linux was missed. Current code/platform work because the iCRU test is working. But purpose of cce78da766 is to ensure correct functionality on future systems where iCRU isn't supported. Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 67fbe35ce7cf..9fd869fbd8a9 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -700,7 +700,7 @@ static void dmi_find_icru(const struct dmi_header *dm, void *dummy)
smbios_proliant_ptr = (struct smbios_proliant_info *) dm;
if (smbios_proliant_ptr->misc_features & 0x01)
is_icru = 1;
- if (smbios_proliant_ptr->misc_features & 0x408)
+ if (smbios_proliant_ptr->misc_features & 0x1400)
is_uefi = 1;