From: Aaro Koskinen Date: Wed, 2 Jan 2019 18:43:01 +0000 (+0200) Subject: MIPS: OCTEON: mark RGMII interface disabled on OCTEON III X-Git-Tag: v4.9.149~7 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=855feca99019f653328d56a59c01acccb1c1d220;p=thirdparty%2Fkernel%2Fstable.git 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 Signed-off-by: Paul Burton Cc: Ralf Baechle Cc: James Hogan Cc: linux-mips@vger.kernel.org Cc: stable@vger.kernel.org # 4.7+ Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c index 396236a02b8cf..59defc5e88aa6 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c @@ -290,7 +290,8 @@ 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; }