From: Noam Camus <[email protected]> readl() for UCV and CPR will not work for port type UPIO_MEM32BE. Instead we use the serial_in32() accessor which is initialized properly according to endianness.
Signed-off-by: Noam Camus <[email protected]> --- drivers/tty/serial/8250/8250_dw.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index f479433..62f766a 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -310,7 +310,8 @@ static bool dw8250_dma_filter(struct dma_chan *chan, void *param) static void dw8250_setup_port(struct uart_8250_port *up) { struct uart_port *p = &up->port; - u32 reg = readl(p->membase + DW_UART_UCV); + struct dw8250_data *d = p->private_data; + u32 reg = d->serial_in(p->membase + DW_UART_UCV); /* * If the Component Version Register returns zero, we know that @@ -322,7 +323,7 @@ static void dw8250_setup_port(struct uart_8250_port *up) dev_dbg_ratelimited(p->dev, "Designware UART version %c.%c%c\n", (reg >> 24) & 0xff, (reg >> 16) & 0xff, (reg >> 8) & 0xff); - reg = readl(p->membase + DW_UART_CPR); + reg = d->serial_in(p->membase + DW_UART_CPR); if (!reg) return; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
