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Tue, 12 Jul 2022 17:31:42 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT061.mail.protection.outlook.com (10.13.173.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5417.15 via Frontend Transport; Tue, 12 Jul 2022 17:31:42 +0000 Received: from ethanolx1ade-milan-genesis.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Tue, 12 Jul 2022 12:31:41 -0500 From: Carlos Bilbao To: , , , , , , , CC: Carlos Bilbao Subject: [PATCH] thermal/drivers/qcom: Code refactoring Date: Tue, 12 Jul 2022 12:31:27 -0500 Message-ID: <20220712173127.3677491-1-carlos.bilbao@amd.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 39413991-b823-431a-6786-08da642c6297 X-MS-TrafficTypeDiagnostic: DM6PR12MB4484:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jul 2022 17:31:42.0837 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 39413991-b823-431a-6786-08da642c6297 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT061.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4484 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Some functions in tsens-8960.c can directly return ret instead of doing an extra check. In function calibrate_8960(), a second check for IS_ERR(data) can also be avoided in some cases. A constant could be used to represent the maximum number of sensors (11). Finally, function code_to_degc() can be simplified, avoiding using an extra variable. Include these small refactoring changes. Signed-off-by: Carlos Bilbao --- drivers/thermal/qcom/tsens-8960.c | 25 +++++++++---------------- drivers/thermal/qcom/tsens-common.c | 18 ++++++++---------- drivers/thermal/qcom/tsens-v0_1.c | 6 +++--- drivers/thermal/qcom/tsens-v1.c | 2 +- drivers/thermal/qcom/tsens.h | 1 + 5 files changed, 22 insertions(+), 30 deletions(-) diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c index 8d9b721dadb6..576bca871655 100644 --- a/drivers/thermal/qcom/tsens-8960.c +++ b/drivers/thermal/qcom/tsens-8960.c @@ -76,10 +76,8 @@ static int suspend_8960(struct tsens_priv *priv) mask = SLP_CLK_ENA_8660 | EN; ret = regmap_update_bits(map, CNTL_ADDR, mask, 0); - if (ret) - return ret; - return 0; + return ret; } static int resume_8960(struct tsens_priv *priv) @@ -106,10 +104,8 @@ static int resume_8960(struct tsens_priv *priv) return ret; ret = regmap_write(map, CNTL_ADDR, priv->ctx.control); - if (ret) - return ret; - return 0; + return ret; } static int enable_8960(struct tsens_priv *priv, int id) @@ -132,10 +128,8 @@ static int enable_8960(struct tsens_priv *priv, int id) reg |= mask | SLP_CLK_ENA_8660 | EN; ret = regmap_write(priv->tm_map, CNTL_ADDR, reg); - if (ret) - return ret; - return 0; + return ret; } static void disable_8960(struct tsens_priv *priv) @@ -206,10 +200,8 @@ static int init_8960(struct tsens_priv *priv) reg_cntl |= EN; ret = regmap_write(priv->tm_map, CNTL_ADDR, reg_cntl); - if (ret) - return ret; - return 0; + return ret; } static int calibrate_8960(struct tsens_priv *priv) @@ -221,10 +213,11 @@ static int calibrate_8960(struct tsens_priv *priv) struct tsens_sensor *s = priv->sensor; data = qfprom_read(priv->dev, "calib"); - if (IS_ERR(data)) + if (IS_ERR(data)) { data = qfprom_read(priv->dev, "calib_backup"); - if (IS_ERR(data)) - return PTR_ERR(data); + if (IS_ERR(data)) + return PTR_ERR(data); + } for (i = 0; i < num_read; i++, s++) s->offset = data[i]; @@ -278,6 +271,6 @@ static const struct tsens_ops ops_8960 = { }; const struct tsens_plat_data data_8960 = { - .num_sensors = 11, + .num_sensors = MAX_NUM_SENSORS, .ops = &ops_8960, }; diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c index 528df8801254..fe5f4459e1cc 100644 --- a/drivers/thermal/qcom/tsens-common.c +++ b/drivers/thermal/qcom/tsens-common.c @@ -66,19 +66,17 @@ void compute_intercept_slope(struct tsens_priv *priv, u32 *p1, static inline int code_to_degc(u32 adc_code, const struct tsens_sensor *s) { - int degc, num, den; + int degc, den; - num = (adc_code * SLOPE_FACTOR) - s->offset; + degc = (adc_code * SLOPE_FACTOR) - s->offset; den = s->slope; - if (num > 0) - degc = num + (den / 2); - else if (num < 0) - degc = num - (den / 2); - else - degc = num; - - degc /= den; + if (degc != 0) { + if (degc > 0) + degc = (degc + (den / 2)) / den; + else + degc = (degc - (den / 2)) / den; + } return degc; } diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index 6f26fadf4c27..42e897526345 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -188,7 +188,7 @@ static int calibrate_8916(struct tsens_priv *priv) static int calibrate_8974(struct tsens_priv *priv) { int base1 = 0, base2 = 0, i; - u32 p1[11], p2[11]; + u32 p1[MAX_NUM_SENSORS], p2[MAX_NUM_SENSORS]; int mode = 0; u32 *calib, *bkp; u32 calib_redun_sel; @@ -324,7 +324,7 @@ static const struct tsens_features tsens_v0_1_feat = { .crit_int = 0, .adc = 1, .srot_split = 1, - .max_sensors = 11, + .max_sensors = MAX_NUM_SENSORS, }; static const struct reg_field tsens_v0_1_regfields[MAX_REGFIELDS] = { @@ -374,7 +374,7 @@ static const struct tsens_ops ops_8974 = { }; const struct tsens_plat_data data_8974 = { - .num_sensors = 11, + .num_sensors = MAX_NUM_SENSORS, .ops = &ops_8974, .feat = &tsens_v0_1_feat, .fields = tsens_v0_1_regfields, diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index 10b595d4f619..98acc9b64555 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -149,7 +149,7 @@ static const struct tsens_features tsens_v1_feat = { .crit_int = 0, .adc = 1, .srot_split = 1, - .max_sensors = 11, + .max_sensors = MAX_NUM_SENSORS, }; static const struct reg_field tsens_v1_regfields[MAX_REGFIELDS] = { diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 2fd94997245b..d2d78c7e20c8 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -6,6 +6,7 @@ #ifndef __QCOM_TSENS_H__ #define __QCOM_TSENS_H__ +#define MAX_NUM_SENSORS 11 #define ONE_PT_CALIB 0x1 #define ONE_PT_CALIB2 0x2 #define TWO_PT_CALIB 0x3