From patchwork Thu Jan 30 13:27:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 11357991 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BC9081800 for ; Thu, 30 Jan 2020 13:27:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 99F5320CC7 for ; Thu, 30 Jan 2020 13:27:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="caTfDUG3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726996AbgA3N1W (ORCPT ); Thu, 30 Jan 2020 08:27:22 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:46933 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726980AbgA3N1V (ORCPT ); Thu, 30 Jan 2020 08:27:21 -0500 Received: by mail-pl1-f194.google.com with SMTP id y8so1341069pll.13 for ; Thu, 30 Jan 2020 05:27:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ZKYoguQk13R1R6X/M6A9IECv/eepHjjlH+2aj8UhmqM=; b=caTfDUG3uor4kRI4m/eESF6LyGdVPgd/Vjxz7p81wVf1DSxsst9aeUTGWSOZjyEMiw wMqp/cptzX2LZLdqyfCLL4MUADUUEs6IQQ+oyJlp/5XjVd2Q4YL8qm4Y4IxqMlXtusBX NMUQ+8wlI7IdsM8x5Xwt6t9naQBLi+fAQt2/JasNTIMaDwu2j9muumVY5BPRnaIE8Cgq JlFuCPC333QIISe8UbQHgGvFxAPlbZuF7pv25/SEYJ1oRUwUfWqvdDp3pJYZaXrwSiSF NtJUBSom1Qcy//YDU1MuuLY3ST1EOxjYNOWNBgKWMBTifcUYccVRk935PAo6A3FUOyqP ZGGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ZKYoguQk13R1R6X/M6A9IECv/eepHjjlH+2aj8UhmqM=; b=lhU+nQs19D21p1ijGRbooSBuipoP+WJuJtcN8q4K23wmubcol3oRGUs8abETIPSCCg T5yrw6Jh/0WnM6fhB9RHzbNFWMsWaFY54EbBOmV9SZ0gN5cCLCnGBarRzejwE7yt7cEY orMmJ8LK7iZdl+NL2n/y1U0yNgStoSoq4+B8TRaHOv/OXcwMCjKanM+5UAiQH49k/Vop FrrnIfYucFdW8bwIxOpS/bKfM1S/FekR8L11IonVHRXhsm3fCkJv9y951s2OFCFyMpiT Wm5kp12h4y6eWXKZT4b1qlNhvpjdeYm+9dmDsNg1OMS2FyUpDMvLT2joWlhH8vPpKOpD h5qw== X-Gm-Message-State: APjAAAXhsQO4AHzs8ckXLhsMDuW6xbOhuhq5v/w1czkH9PIXr8cdiIyp x9eU/NpDGu8sAjFKNtbF27u2sII4RizdFg== X-Google-Smtp-Source: APXvYqyU2zzUyFHBDKWveOoPQnvf+cqwFd/zaTeZauhP2/oOpFX4E4g24b7uVQd/Na3MhxBaPrMn4g== X-Received: by 2002:a17:90b:f0f:: with SMTP id br15mr5880098pjb.138.1580390840707; Thu, 30 Jan 2020 05:27:20 -0800 (PST) Received: from localhost ([45.127.45.97]) by smtp.gmail.com with ESMTPSA id u3sm6593571pjv.32.2020.01.30.05.27.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Jan 2020 05:27:19 -0800 (PST) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org, swboyd@chromium.org, sivaa@codeaurora.org, Andy Gross Cc: Amit Kucheria , linux-pm@vger.kernel.org Subject: [PATCH v4 1/7] drivers: thermal: tsens: Pass around struct tsens_sensor as a constant Date: Thu, 30 Jan 2020 18:57:04 +0530 Message-Id: <9139b5482385e7cfea21e13e14fedbcdd7f074bc.1580390127.git.amit.kucheria@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org All the sensor data is initialised at init time. Lock it down by passing it to functions as a constant. Signed-off-by: Amit Kucheria Reviewed-by: Bjorn Andersson --- drivers/thermal/qcom/tsens-8960.c | 2 +- drivers/thermal/qcom/tsens-common.c | 14 +++++++------- drivers/thermal/qcom/tsens.h | 6 +++--- 3 files changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c index a383a57cfbbc..2a28a5af209e 100644 --- a/drivers/thermal/qcom/tsens-8960.c +++ b/drivers/thermal/qcom/tsens-8960.c @@ -245,7 +245,7 @@ static inline int code_to_mdegC(u32 adc_code, const struct tsens_sensor *s) return adc_code * slope + offset; } -static int get_temp_8960(struct tsens_sensor *s, int *temp) +static int get_temp_8960(const struct tsens_sensor *s, int *temp) { int ret; u32 code, trdy; diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c index c8d57ee0a5bb..c2df30a08b9e 100644 --- a/drivers/thermal/qcom/tsens-common.c +++ b/drivers/thermal/qcom/tsens-common.c @@ -128,7 +128,7 @@ static inline int code_to_degc(u32 adc_code, const struct tsens_sensor *s) * Return: Temperature in milliCelsius on success, a negative errno will * be returned in error cases */ -static int tsens_hw_to_mC(struct tsens_sensor *s, int field) +static int tsens_hw_to_mC(const struct tsens_sensor *s, int field) { struct tsens_priv *priv = s->priv; u32 resolution; @@ -160,7 +160,7 @@ static int tsens_hw_to_mC(struct tsens_sensor *s, int field) * * Return: ADC code or temperature in deciCelsius. */ -static int tsens_mC_to_hw(struct tsens_sensor *s, int temp) +static int tsens_mC_to_hw(const struct tsens_sensor *s, int temp) { struct tsens_priv *priv = s->priv; @@ -275,7 +275,7 @@ static int tsens_threshold_violated(struct tsens_priv *priv, u32 hw_id, } static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id, - struct tsens_sensor *s, struct tsens_irq_data *d) + const struct tsens_sensor *s, struct tsens_irq_data *d) { int ret; @@ -346,10 +346,10 @@ irqreturn_t tsens_irq_thread(int irq, void *data) for (i = 0; i < priv->num_sensors; i++) { bool trigger = false; - struct tsens_sensor *s = &priv->sensor[i]; + const struct tsens_sensor *s = &priv->sensor[i]; u32 hw_id = s->hw_id; - if (IS_ERR(priv->sensor[i].tzd)) + if (IS_ERR(s->tzd)) continue; if (!tsens_threshold_violated(priv, hw_id, &d)) continue; @@ -457,7 +457,7 @@ void tsens_disable_irq(struct tsens_priv *priv) regmap_field_write(priv->rf[INT_EN], 0); } -int get_temp_tsens_valid(struct tsens_sensor *s, int *temp) +int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp) { struct tsens_priv *priv = s->priv; int hw_id = s->hw_id; @@ -486,7 +486,7 @@ int get_temp_tsens_valid(struct tsens_sensor *s, int *temp) return 0; } -int get_temp_common(struct tsens_sensor *s, int *temp) +int get_temp_common(const struct tsens_sensor *s, int *temp) { struct tsens_priv *priv = s->priv; int hw_id = s->hw_id; diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index be364bf1d5a6..70dc34c80537 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -67,7 +67,7 @@ struct tsens_ops { /* mandatory callbacks */ int (*init)(struct tsens_priv *priv); int (*calibrate)(struct tsens_priv *priv); - int (*get_temp)(struct tsens_sensor *s, int *temp); + int (*get_temp)(const struct tsens_sensor *s, int *temp); /* optional callbacks */ int (*enable)(struct tsens_priv *priv, int i); void (*disable)(struct tsens_priv *priv); @@ -494,8 +494,8 @@ struct tsens_priv { char *qfprom_read(struct device *dev, const char *cname); void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode); int init_common(struct tsens_priv *priv); -int get_temp_tsens_valid(struct tsens_sensor *s, int *temp); -int get_temp_common(struct tsens_sensor *s, int *temp); +int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp); +int get_temp_common(const struct tsens_sensor *s, int *temp); int tsens_enable_irq(struct tsens_priv *priv); void tsens_disable_irq(struct tsens_priv *priv); int tsens_set_trips(void *_sensor, int low, int high);