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[2003:dc:d3f2:3104:e1fb:c614:d4fa:cded]) by smtp.googlemail.com with ESMTPSA id y60sm2725574wrb.39.2017.05.04.11.32.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 04 May 2017 11:32:09 -0700 (PDT) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, jbrunet@baylibre.com, narmstrong@baylibre.com, linux-clk@vger.kernel.org Subject: [PATCH 1/1] clk: meson: meson8b: mark clk81 as critical Date: Thu, 4 May 2017 20:32:01 +0200 Message-Id: <20170504183201.13175-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170504183201.13175-1-martin.blumenstingl@googlemail.com> References: <20170504183201.13175-1-martin.blumenstingl@googlemail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170504_113232_918106_76E56195 X-CRM114-Status: UNSURE ( 9.49 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Blumenstingl , khilman@baylibre.com, mturquette@baylibre.com, sboyd@codeaurora.org, carlo@caione.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Disabling clk81 results in an immediate freeze of the whole system. This can happen "accidentally" when the last child-clock of clk81 is disabled (in this case the common clock framework also disables clk81, even if it was only enabled indirectly before). Signed-off-by: Martin Blumenstingl --- drivers/clk/meson/meson8b.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index e9985503165c..bfd1690724de 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -399,7 +399,7 @@ struct clk_gate meson8b_clk81 = { .ops = &clk_gate_ops, .parent_names = (const char *[]){ "mpeg_clk_div" }, .num_parents = 1, - .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), + .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED | CLK_IS_CRITICAL), }, };