From: Ruchika Kharwar <ruchika@xxxxxx> 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 <ruchika@xxxxxx> [oleksandr.savchenko@xxxxxx: add some whitespaces] Signed-off-by: Alexander Savchenko <oleksandr.savchenko@xxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html