summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorAaro Koskinen <aaro.koskinen@iki.fi>2019-01-02 21:43:01 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-09 19:14:52 +0300
commitac40fe537c3b0c9d518466d5735ea17ea2d639ff (patch)
tree0508a1a29c3e5d151ff5ca104e994d4f823342cd /arch
parentaf8a41b9246c24b0fff385c9639f09dfa427bc10 (diff)
downloadlinux-ac40fe537c3b0c9d518466d5735ea17ea2d639ff.tar.xz
MIPS: OCTEON: mark RGMII interface disabled on OCTEON III
commit edefae94b7b9f10d5efe32dece5a36e9d9ecc29e upstream. Commit 885872b722b7 ("MIPS: Octeon: Add Octeon III CN7xxx interface detection") added RGMII interface detection for OCTEON III, but it results in the following logs: [ 7.165984] ERROR: Unsupported Octeon model in __cvmx_helper_rgmii_probe [ 7.173017] ERROR: Unsupported Octeon model in __cvmx_helper_rgmii_probe The current RGMII routines are valid only for older OCTEONS that use GMX/ASX hardware blocks. On later chips AGL should be used, but support for that is missing in the mainline. Until that is added, mark the interface as disabled. Fixes: 885872b722b7 ("MIPS: Octeon: Add Octeon III CN7xxx interface detection") Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: stable@vger.kernel.org # 4.7+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
index c683c369bca5..c376f17e142c 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
@@ -286,7 +286,8 @@ static cvmx_helper_interface_mode_t __cvmx_get_mode_cn7xxx(int interface)
case 3:
return CVMX_HELPER_INTERFACE_MODE_LOOP;
case 4:
- return CVMX_HELPER_INTERFACE_MODE_RGMII;
+ /* TODO: Implement support for AGL (RGMII). */
+ return CVMX_HELPER_INTERFACE_MODE_DISABLED;
default:
return CVMX_HELPER_INTERFACE_MODE_DISABLED;
}