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([2600:8804:5716:d800::f01a]) by smtp.gmail.com with ESMTPSA id 5614622812f47-56905736b92sm3857157b6e.8.2026.11.10.18.41.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Nov 2026 18:41:31 -0800 (PST) Message-ID: Date: Tue, 10 Nov 2026 20:41:30 -0600 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] clocksource/drivers/timer-mediatek: Enable the GPT irq before registering To: Daniel Lezcano , Thomas Gleixner , Matthias Brugger , AngeloGioacchino Del Regno , Luca Leonardo Scorcia Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20261103-timer-mediatek-gpt-irq-order-v1-1-6d1ddf977224@gmail.com> Content-Language: en-US From: Ryan Brue In-Reply-To: <20261103-timer-mediatek-gpt-irq-order-v1-1-6d1ddf977224@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/3/26 5:17 PM, Ryan Brue wrote: > [PATCH] clocksource/drivers/timer-mediatek: Enable the GPT irq before registering > [...] > > /* Configure clock event */ > mtk_gpt_setup(&to, TIMER_CLK_EVT, GPT_CTRL_OP_REPEAT); > + mtk_gpt_enable_irq(&to, TIMER_CLK_EVT); > clockevents_config_and_register(&to.clkevt, timer_of_rate(&to), > TIMER_SYNC_TICKS, 0xffffffff); > > - mtk_gpt_enable_irq(&to, TIMER_CLK_EVT); > enable_irq(timer_of_irq(&to)); > > return 0; Hi Daniel and Thomas, Could this go in through timers/urgent for a 7.4-rc? The regression come in with 7.4-rc1 (7a097aba7255), and on MT8173 boards with PSCI CPU idle it hangs about half of all boots: 20 of 40 here, and Chen-Yu sees it on Hana as well. It now has Reviewed-by tags from Chen-Yu, Angelo, and Luca, and Tested-by tags from Chen-Yu (MT8173) and Luca (MT8167).