From patchwork Tue Feb 18 18:12:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 11389207 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 30F5C930 for ; Tue, 18 Feb 2020 18:12:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 08942208C4 for ; Tue, 18 Feb 2020 18:12:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="W268SDix" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726659AbgBRSM3 (ORCPT ); Tue, 18 Feb 2020 13:12:29 -0500 Received: from mail-pl1-f193.google.com ([209.85.214.193]:36981 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726647AbgBRSM3 (ORCPT ); Tue, 18 Feb 2020 13:12:29 -0500 Received: by mail-pl1-f193.google.com with SMTP id c23so8396390plz.4 for ; Tue, 18 Feb 2020 10:12:28 -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=W268SDix97CRWyl+d0m85sr5bFwu72b2+9zePGaxrsUCg5VAjYivguyWHDaPGajrM+ fJqMSqkgdGWwdXy3eYD2Qbv5WZ42Smj1AVAFAgVePj6qZg6qD4ASb3ZRhjNGl8KiCWjG W1NR9WrNqrIzNA5vXMQ/rwb2jgINDLfcfe12Lo4azuzGlQARbNdw+J1ScWFu/KhMHGIa xKNGVCD6VmuvgK9rrOktH/EqSjYkdcTDRlneUPTWnD5WUQblBR9bGrfiHZPqJ93Tgi8r rcDTLUJO3SDfFG2OGyqILKvCsndyBqv2h0e/mrr6733q3bZvyV03OOWDKMqwMHtX1vXn je0w== 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=o1P62XmAVqK+PNmFGmhCAOUe79I9ZUqi05bLJGvNxEL+pS4YyerThgB8O3U4t2X4Tj 7rgBLTJt60DPncWqke1I9fb2RdMW4RHDLFnd4Sm0ZQ/pHukEdM+iTzlAWEhZnBLjv2jJ IKEHvlByunX9cHr9mLO9Yg4vzWgDESkcuriLdRNRHOqVKUypvL8cr+YjJApKaosHy0ka kaGZKuSkM/JeoVREVEIlDCq5W1GyFrCZpTJApV3oYWJ95eR10K3nmzok8/518DsFPnlM gffu1j5OTfeWu5IBkgJZ31ZBngkqzVT7bJgyqsUmsRnQzFXTYEtqCx6JJ3rO/ALUIy6V +bUw== X-Gm-Message-State: APjAAAUyLqHasybcHiTnW8TKMqd24iF3GvUidxOMxAjMmRBPg25QJ4+k aTcUYarZ+CvJ8toV+QpE2xAycw== X-Google-Smtp-Source: APXvYqwlohYw/lEoFIgrL8HOrHiCAH3DKWh2vpNzoHIEq965sJTl1xtu+Y6INsZjy2qs/EPR4tUpKQ== X-Received: by 2002:a17:90a:af81:: with SMTP id w1mr4288662pjq.14.1582049547643; Tue, 18 Feb 2020 10:12:27 -0800 (PST) Received: from localhost ([103.195.202.120]) by smtp.gmail.com with ESMTPSA id gc1sm4068991pjb.20.2020.02.18.10.12.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2020 10:12:26 -0800 (PST) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, bjorn.andersson@linaro.org, swboyd@chromium.org, sivaa@codeaurora.org, Andy Gross Cc: Amit Kucheria , linux-pm@vger.kernel.org Subject: [PATCH v5 2/8] drivers: thermal: tsens: Pass around struct tsens_sensor as a constant Date: Tue, 18 Feb 2020 23:42:06 +0530 Message-Id: <57f5fd302213d30b53d9d6b3624758180e8df48b.1582048155.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 Reviewed-by: Stephen Boyd --- 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);