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Tue, 05 May 2020 23:42:49 -0700 (PDT) From: dillon.minfei@gmail.com To: mturquette@baylibre.com, sboyd@kernel.org, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, sam@ravnborg.org Subject: [PATCH 4/4] clk: stm32f4: fix ltdc driver hang as clk set rate failed Date: Wed, 6 May 2020 14:42:38 +0800 Message-Id: <1588747358-31306-2-git-send-email-dillon.minfei@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1588747358-31306-1-git-send-email-dillon.minfei@gmail.com> References: <1588747358-31306-1-git-send-email-dillon.minfei@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200505_234249_999102_383D4CF7 X-CRM114-Status: GOOD ( 11.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, dillon min , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: dillon min should use PLL_SAI offset of clks , not PLL_VCO_SAI else can not get clk gate. Signed-off-by: dillon min --- drivers/clk/clk-stm32f4.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index 18117ce..bdebe05 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -129,7 +129,8 @@ static const struct stm32f4_gate_data stm32f429_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 20, "spi5", "apb2_div" }, { STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" }, { STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" }, - { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div", + CLK_IGNORE_UNUSED }, }; static const struct stm32f4_gate_data stm32f469_gates[] __initconst = { @@ -1754,10 +1755,10 @@ static void __init stm32f4_rcc_init(struct device_node *np) stm32f4_rcc_register_pll("vco_in", &data->pll_data[0], &stm32f4_clk_lock); - clks[PLL_VCO_I2S] = stm32f4_rcc_register_pll("vco_in", + clks[PLL_I2S] = stm32f4_rcc_register_pll("vco_in", &data->pll_data[1], &stm32f4_clk_lock); - clks[PLL_VCO_SAI] = stm32f4_rcc_register_pll("vco_in", + clks[PLL_SAI] = stm32f4_rcc_register_pll("vco_in", &data->pll_data[2], &stm32f4_clk_lock); for (n = 0; n < MAX_POST_DIV; n++) { -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel