From patchwork Thu Dec 14 10:52:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 755836 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="aZRo+UjP" Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCD441A1 for ; Thu, 14 Dec 2023 02:53:00 -0800 (PST) Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-40c2308faedso81895955e9.1 for ; Thu, 14 Dec 2023 02:53:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1702551178; x=1703155978; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=yuS+45h2ga3aQkPKsayipRVsQ8w0E+s5uDXU4i8VrWg=; b=aZRo+UjPXLgFt4whs/qPqciVYMVoliRW4Ld94w6FwAIl5U/zh+prH9DxSNaOFSObpT 6FgjPxNweVjcZGfdu+ZIkTlwIy2Z4vny/Ql26kDImvpbZ+KRbmPeQxiCegb47jiwhgBN GIM9CJ3fQQJxExHDhQ3J0l/jhHL42At48M8NcS4ecRLSmOz+V0eQPEbnIs4QLg/EDZh3 4kv3L73CdLiVst6TdY3T2cy900PYSiJrfQsRvKcoqcyGlaA8L2bXo4Ksmd3vGvnQLH4h W8diypSWW0UUSZrfaCQKOoACVJpPNP+To1KYsms5iTW3kzfcxnJ+IsTFNspsV5fSrD/9 6VFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702551178; x=1703155978; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=yuS+45h2ga3aQkPKsayipRVsQ8w0E+s5uDXU4i8VrWg=; b=HfyUyG6bssW03jPkumgqLfHIjr7Z86ougcBI/AScIL4jnY7T6FjFLb3mfvqanIPSWu VDaA+m8FGloC3FUeNgJmkBDXgVvvBOcwB3B9FNtwYpAtbe2GYkNfPY8Nmc+eZgh86btD hT5tfNWRiUmowC4KSthKt4m+mX8I7fs2fq8HN/fhhiFeZyBw/fqIO4q9M7HhVnEomJ+G EhxVlG+RyHm4OmN4UIdR3AsWWfqemUYUpyIOHMeuLLPUaPkKvFLFkR6fh5arKxeeQRO3 H8lMq+qzsiV1KUrtWcQgPAXND6ZilkF4rUEgy8LEHCEcpprXbaAP8nl4O/Pb83Q76H6M 3bJw== X-Gm-Message-State: AOJu0Yz34Z05+yqJpF83X/VRl+LMjiYRuqT2lw2p/2Cnj+tN0hVEXiaX pMn9x6hjgYYXzrGeIrHwFhirYA== X-Google-Smtp-Source: AGHT+IHAGC45+JA4KfBfVBo5MvsdcmfG4HWD//LZLINpHkMirvEDnQf0FMXjRjvFzd5QesYIFv2g5g== X-Received: by 2002:a05:600c:2113:b0:40b:4520:45a6 with SMTP id u19-20020a05600c211300b0040b452045a6mr4416373wml.8.1702551178174; Thu, 14 Dec 2023 02:52:58 -0800 (PST) Received: from ta2.c.googlers.com.com (216.131.76.34.bc.googleusercontent.com. [34.76.131.216]) by smtp.gmail.com with ESMTPSA id p7-20020a05600c468700b0040c420eda48sm17614854wmo.22.2023.12.14.02.52.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 02:52:57 -0800 (PST) From: Tudor Ambarus To: peter.griffin@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, conor+dt@kernel.org, andi.shyti@kernel.org, alim.akhtar@samsung.com, gregkh@linuxfoundation.org, jirislaby@kernel.org, catalin.marinas@arm.com, will@kernel.org, s.nawrocki@samsung.com, tomasz.figa@gmail.com, cw00.choi@samsung.com, arnd@arndb.de, semen.protsenko@linaro.org Cc: andre.draszik@linaro.org, saravanak@google.com, willmcvicker@google.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-serial@vger.kernel.org, Tudor Ambarus Subject: [PATCH 07/13] clk: samsung: gs101: mark PERIC0 IP TOP gate clock as critical Date: Thu, 14 Dec 2023 10:52:37 +0000 Message-ID: <20231214105243.3707730-8-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog In-Reply-To: <20231214105243.3707730-1-tudor.ambarus@linaro.org> References: <20231214105243.3707730-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Testing USI8 I2C with an eeprom revealed that when the USI8 leaf clock is disabled it leads to the CMU_TOP PERIC0 IP gate clock disablement, which then makes the system hang. To prevent this, mark CLK_GOUT_CMU_PERIC0_IP as critical. Other clocks will be marked accordingly when tested. Signed-off-by: Tudor Ambarus --- drivers/clk/samsung/clk-gs101.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-gs101.c b/drivers/clk/samsung/clk-gs101.c index 3d194520b05e..08d80fca9cd6 100644 --- a/drivers/clk/samsung/clk-gs101.c +++ b/drivers/clk/samsung/clk-gs101.c @@ -1402,7 +1402,7 @@ static const struct samsung_gate_clock cmu_top_gate_clks[] __initconst = { "mout_cmu_peric0_bus", CLK_CON_GAT_GATE_CLKCMU_PERIC0_BUS, 21, 0, 0), GATE(CLK_GOUT_CMU_PERIC0_IP, "gout_cmu_peric0_ip", "mout_cmu_peric0_ip", - CLK_CON_GAT_GATE_CLKCMU_PERIC0_IP, 21, 0, 0), + CLK_CON_GAT_GATE_CLKCMU_PERIC0_IP, 21, CLK_IS_CRITICAL, 0), GATE(CLK_GOUT_CMU_PERIC1_BUS, "gout_cmu_peric1_bus", "mout_cmu_peric1_bus", CLK_CON_GAT_GATE_CLKCMU_PERIC1_BUS, 21, 0, 0),