From: Ruchika Kharwar <[email protected]>
The revision register is a 32 bit register. The serial_in() function reads
only the lower 16 bits of the register. This leads to an incorrect computation
of the Module revision.
Signed-off-by: Ruchika Kharwar <[email protected]>
[[email protected]: add some whitespaces]
Signed-off-by: Alexander Savchenko <[email protected]>
---
drivers/tty/serial/omap-serial.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index ad7b366..a23bbdb 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1335,7 +1335,7 @@ static void omap_serial_fill_features_erratas(struct uart_omap_port *up)
u32 mvr, scheme;
u16 revision, major, minor;
- mvr = serial_in(up, UART_OMAP_MVER);
+ mvr = readl(up->port.membase + (UART_OMAP_MVER << up->port.regshift));
/* Check revision register scheme */
scheme = mvr >> OMAP_UART_MVR_SCHEME_SHIFT;
--
1.7.9.5