From patchwork Tue Oct 22 08:05:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13845263 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F864155333; Tue, 22 Oct 2024 08:06:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729584370; cv=none; b=D0D6NaUOUPy+PrgSle3Ccmvu69+jN+856jiBUOAgBwWXDktHUCxqVhgvFFjHZCw06GVYVHfASbY3pyZNz6jWlNZaTqJwI6glZ9KrkKmA+5AnpntHsmi6JDi6EUtatEiuzgNGjuSAWqpwBwYLH/0sb8MkVpPLvRh2uuwrGfYo4Hc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729584370; c=relaxed/simple; bh=0K2o1IOhjv4ewnnvIvp7wRvElf7F+KPsC6Wx0FuqcZc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ej5AFQ73NKkj5Xrd3isNnirO2tqnNptZiwgLt3dc3xPTUsPxmonDGaZULXOgB93RhQWrS4ViwloyffweyXTmR0uVEaT8wS/m+zYwREpzxxFcmbbX0dVCGX5ZU0n77OSfC3JVGEf1qlMsp49WYGFoTGMH1qJE8sS1712HLzzF89I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=t/b94/sc; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="t/b94/sc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9ED8DC4CEEB; Tue, 22 Oct 2024 08:06:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729584369; bh=0K2o1IOhjv4ewnnvIvp7wRvElf7F+KPsC6Wx0FuqcZc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t/b94/sc091Fgf8bYUbzoiKlqwRVSlUMrcUpxi04+5nq3anH+2BCobMs5X17ouoi3 GiS+YaNuekQfTJ3hN6/7e4kRCK6tDzNv3Yb8wdYM05yW10IUYGTqFTMTR1XQ05RW9O bnJx6u+2ma5yxoR29c4so+7VyZRdfoJKuWsOlQse7NWfwZVUw8lvSeBXcUaytHem+G jgReDSJSnGH0Vq4M9qGp7IziAmBnP+qOBfY0CH0BqiPvv29+GVHiHKXKVpTiKl/lzt 3GbIyZCr0HzVp0MGnyaYmDMnboYbWlJNT07t0siTamWMvJ0VB2hvu637JbQDbkwYAu xf1CY/LkRGtiw== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from ) id 1t39uG-0000000006z-1O7D; Tue, 22 Oct 2024 10:06:20 +0200 From: Johan Hovold To: Bjorn Andersson Cc: Michael Turquette , Stephen Boyd , Vamsi Krishna Lanka , Vivek Aknurwar , Vinod Koul , Jeevan Shriram , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH 2/2] clk: qcom: clk-alpha-pll: fix lucid 5lpe pll enabled check Date: Tue, 22 Oct 2024 10:05:21 +0200 Message-ID: <20241022080521.359-3-johan+linaro@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241022080521.359-1-johan+linaro@kernel.org> References: <20241022080521.359-1-johan+linaro@kernel.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The lucid 5lpe PLL enable check only checks for an impossible negative return value and does not actually return as intended in case the PLL is already enabled (e.g. has been left enabled by boot firmware). Fixes: f4c7e27aa4b6 ("clk: qcom: clk-alpha-pll: Add support for Lucid 5LPE PLL") Signed-off-by: Johan Hovold --- drivers/clk/qcom/clk-alpha-pll.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 99d6962d25bb..bd1dbef04d9d 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -1903,9 +1903,8 @@ static int alpha_pll_lucid_5lpe_enable(struct clk_hw *hw) } /* Check if PLL is already enabled, return if enabled */ - ret = trion_pll_is_enabled(pll, pll->clkr.regmap); - if (ret < 0) - return ret; + if (trion_pll_is_enabled(pll, pll->clkr.regmap)) + return 0; ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); if (ret)