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[153.205.193.205]) by smtp.gmail.com with ESMTPSA id t5sm16704139pgb.58.2021.07.05.17.02.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Jul 2021 17:02:28 -0700 (PDT) Received: from x2.lan (localhost [127.0.0.1]) by localhost.lan (Postfix) with ESMTPSA id E63AC900904; Tue, 6 Jul 2021 00:02:25 +0000 (GMT) From: Vincent Pelletier To: Jean Delvare , Guenter Roeck , Jonathan Corbet , Support Opensource , Lee Jones , linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, "Opensource [Steve Twiss]" Subject: [PATCH 1/3] mfd: da9063: Add HWMON dependencies Date: Tue, 6 Jul 2021 00:01:55 +0000 Message-Id: <1182ccb1b0bac9276967f4a11d971bd135c611f2.1625529219.git.plr.vincent@gmail.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Opensource [Steve Twiss]" Dependencies required for DA9063 HWMON support. Signed-off-by: Opensource [Steve Twiss] Directly set da9063->t_offset. Let MFD probe succeed even if DA9063_REG_T_OFFSET cannot be read. Signed-off-by: Vincent Pelletier --- Originally submitted by Steve Twiss in 2014: https://marc.info/?l=linux-kernel&m=139560864709852&w=2 drivers/mfd/da9063-core.c | 8 ++++++++ include/linux/mfd/da9063/core.h | 3 +++ 2 files changed, 11 insertions(+) diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c index df407c3afce3..14c2a8df9ae3 100644 --- a/drivers/mfd/da9063-core.c +++ b/drivers/mfd/da9063-core.c @@ -197,6 +197,14 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq) } } + ret = regmap_read(da9063->regmap, DA9063_REG_T_OFFSET, &da9063->t_offset); + if (ret < 0) { + da9063->t_offset = 0; + dev_warn(da9063->dev, + "Temperature trimming value cannot be read (defaulting to 0)\n"); + ret = 0; + } + return ret; } diff --git a/include/linux/mfd/da9063/core.h b/include/linux/mfd/da9063/core.h index fa7a43f02f27..c0c57c6f6230 100644 --- a/include/linux/mfd/da9063/core.h +++ b/include/linux/mfd/da9063/core.h @@ -85,6 +85,9 @@ struct da9063 { int chip_irq; unsigned int irq_base; struct regmap_irq_chip_data *regmap_irq; + + /* Trimming */ + int t_offset; }; int da9063_device_init(struct da9063 *da9063, unsigned int irq); -- 2.32.0