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

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>

diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index 01c94669a2b0ad91976daf9f3c7ef3338b48e965..3afa8c1fa12702c251d5d3654e2026ba0ebfcd62 100644 (file)
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -30,7 +30,7 @@ static bool qdf2400_erratum_44_present(struct acpi_table_header *h)
                return true;
 
        if (!memcmp(h->oem_table_id, "QDF2400 ", ACPI_OEM_TABLE_ID_SIZE) &&
-                       h->oem_revision == 0)
+                       h->oem_revision == 1)
                return true;
 
        return false;