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Nikolaus Schaller" , , , , , Keerthy , Peter Ujfalusi References: <20190523200756.25314-1-sebastian.reichel@collabora.com> <60c45d23-de2f-d94a-c3d7-146a2bee538f@ti.com> <20190527112122.GJ5447@atomide.com> <20190528093952.GM5447@atomide.com> <14c6c702-844b-756d-2d97-44e8f5a169df@ti.com> <20190528101847.GN5447@atomide.com> From: Tomi Valkeinen Message-ID: Date: Tue, 28 May 2019 13:32:40 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190528101847.GN5447@atomide.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28/05/2019 13:18, Tony Lindgren wrote: >> This change lets me boot. I don't know that's the correct place, though: >> >> diff --git a/arch/arm/boot/dts/am5728.dtsi b/arch/arm/boot/dts/am5728.dtsi >> index 82e5427ef6a9..c778f9a86b3a 100644 >> --- a/arch/arm/boot/dts/am5728.dtsi >> +++ b/arch/arm/boot/dts/am5728.dtsi >> @@ -31,3 +31,7 @@ >> &atl_tm { >> status = "disabled"; >> }; >> + >> +&timer12 { >> + status = "disabled"; >> +}; > > OK we should disable it at the target-module level though. Interesting > that reading the revision register works with the above, or maybe you > still get some warning? I don't see anything odd in the boot log with the above change. At least no kernel WARNs, nor anything with grepping "timer", "err", or "warn". I just verified with clean 5.2-rc2, that it doesn't boot, and with the above change, boots. >> My board is x15 rev A3, attached to AM5 EVM. I've also attached my kernel >> config. > > Strange that this is not affecting other x15? I think timer12 would > be blocked on HS devices though? I don't know... I can't believe my x15 would be unique =). Can it be something in the kernel config? u-boot? Peter should have the same A3. Peter, can you try with my config? Tomi -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki