tty: acpi/spcr: QDF2400 E44 checks for wrong OEM revision

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

For Qualcomm Technologies QDF2400 SOCs that are affected by erratum E44,
the ACPI oem_revision field is actually set to 1, not 0.

Fixes: d8a4995bcea1 ("tty: pl011: Work around QDF2400 E44 stuck BUSY bit")

Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Timur Tabi and committed by

Greg Kroah-Hartman 9 years ago 542ed784 b15bfbe6

+1 -1

1 changed file

expand all

drivers

acpi

spcr.c

+1 -1

drivers/acpi/spcr.c

··· 30 30 return true; 31 31 32 32 if (!memcmp(h->oem_table_id, "QDF2400 ", ACPI_OEM_TABLE_ID_SIZE) && 33 - h->oem_revision == 0) 33 + h->oem_revision == 1) 34 34 return true; 35 35 36 36 return false;