From: Guenter Roeck <linux@roeck-us.net>
Date: Sun, 8 Sep 2013 07:39:05 +0000 (-0700)
Subject: sh4: Fix serial line access for Linux kernels later than 3.2
X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~1306^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=84faf7c3927ca7f3013362e38c58c02a7e733c0c;p=sdk%2Femulator%2Fqemu.git

sh4: Fix serial line access for Linux kernels later than 3.2

With Linux kernel version 3.3 or later, qemu fails with the following message:

sh_serial: unsupported read from 0x18
  Aborted

Reported-and-analyzed-by: Rob Landley <rob@landley.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/hw/char/sh_serial.c b/hw/char/sh_serial.c
index 6223a55..9328dd1 100644
--- a/hw/char/sh_serial.c
+++ b/hw/char/sh_serial.c
@@ -248,11 +248,9 @@ static uint64_t sh_serial_read(void *opaque, hwaddr offs,
                     s->flags &= ~SH_SERIAL_FLAG_RDF;
             }
             break;
-#if 0
         case 0x18:
             ret = s->fcr;
             break;
-#endif
         case 0x1c:
             ret = s->rx_cnt;
             break;