From patchwork Fri Jul 24 07:11:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Lee X-Patchwork-Id: 11682195 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 1F16F913 for ; Fri, 24 Jul 2020 07:12:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 06CCC20774 for ; Fri, 24 Jul 2020 07:12:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726680AbgGXHM3 (ORCPT ); Fri, 24 Jul 2020 03:12:29 -0400 Received: from smtp2207-205.mail.aliyun.com ([121.197.207.205]:52863 "EHLO smtp2207-205.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726559AbgGXHM3 (ORCPT ); Fri, 24 Jul 2020 03:12:29 -0400 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.1472325|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_system_inform|0.0288318-0.000377861-0.97079;FP=0|0|0|0|0|-1|-1|-1;HT=e02c03306;MF=frank@allwinnertech.com;NM=1;PH=DS;RN=15;RT=15;SR=0;TI=SMTPD_---.I6qVYnt_1595574739; Received: from allwinnertech.com(mailfrom:frank@allwinnertech.com fp:SMTPD_---.I6qVYnt_1595574739) by smtp.aliyun-inc.com(10.147.40.200); Fri, 24 Jul 2020 15:12:24 +0800 From: Frank Lee To: anarsoul@gmail.com, tiny.windzz@gmail.com, rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, robh+dt@kernel.org, mripard@kernel.org, wens@csie.org, linux-pm@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, huangshuosheng@allwinnertech.com, liyong@allwinnertech.com, Yangtao Li Subject: [PATCH v5 08/16] thermal: sun8i: add TEMP_CALIB_MASK for calibration data in sun50i_h6_ths_calibrate Date: Fri, 24 Jul 2020 15:11:42 +0800 Message-Id: X-Mailer: git-send-email 2.24.0 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Yangtao Li For sun50i_h6_ths_calibrate(), the data read from nvmem needs a round of calculation. On the other hand, the newer SOC may store other data in the space other than 12bit sensor data. Add mask operation to read data to avoid conversion error. Signed-off-by: Yangtao Li Acked-by: Maxime Ripard --- drivers/thermal/sun8i_thermal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c index 74d73be16496..f423d44b9290 100644 --- a/drivers/thermal/sun8i_thermal.c +++ b/drivers/thermal/sun8i_thermal.c @@ -244,7 +244,7 @@ static int sun50i_h6_ths_calibrate(struct ths_device *tmdev, ft_temp = (caldata[0] & FT_TEMP_MASK) * 100; for (i = 0; i < tmdev->chip->sensor_num; i++) { - int sensor_reg = caldata[i + 1]; + int sensor_reg = caldata[i + 1] & TEMP_CALIB_MASK; int cdata, offset; int sensor_temp = tmdev->chip->calc_temp(tmdev, i, sensor_reg);