[PATCH v3 02/33] earlycon: add reg-offset to physical address before mapping

[Greentime Hu]

From: Greentime Hu <greent...@andestech.com>

It will get the wrong virtual address because port->mapbase is not added
the correct reg-offset yet. We have to update it before earlycon_map()
is called

Signed-off-by: Greentime Hu <greent...@andestech.com>
---
 drivers/tty/serial/earlycon.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index 98928f0..17dba0a 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -253,11 +253,12 @@ int __init of_setup_earlycon(const struct earlycon_id 
*match,
        }
        port->mapbase = addr;
        port->uartclk = BASE_BAUD * 16;
-       port->membase = earlycon_map(port->mapbase, SZ_4K);
 
        val = of_get_flat_dt_prop(node, "reg-offset", NULL);
        if (val)
                port->mapbase += be32_to_cpu(*val);
+       port->membase = earlycon_map(port->mapbase, SZ_4K);
+
        val = of_get_flat_dt_prop(node, "reg-shift", NULL);
        if (val)
                port->regshift = be32_to_cpu(*val);
-- 
1.7.9.5