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([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21177e58316sm78945275ad.188.2024.11.11.10.10.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 Nov 2024 10:10:55 -0800 (PST) Message-ID: Date: Mon, 11 Nov 2024 10:10:54 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 4/5] hwmon: tmp108: Add support for I3C device From: Guenter Roeck To: Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Cameron , Lars-Peter Clausen , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Jean Delvare Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Krzysztof Kozlowski , linux-hwmon@vger.kernel.org References: <20241111-p3t1085-v3-0-bff511550aad@nxp.com> <20241111-p3t1085-v3-4-bff511550aad@nxp.com> <41995c8a-8b05-4c56-b4a3-5f275a88b899@roeck-us.net> Content-Language: en-US Autocrypt: addr=linux@roeck-us.net; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241111_101057_690246_E9C5C87E X-CRM114-Status: GOOD ( 12.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/11/24 10:04, Guenter Roeck wrote: [ ... ] >> +static int p3t1085_i3c_probe(struct i3c_device *i3cdev) >> +{ >> +    struct device *dev = i3cdev_to_dev(i3cdev); >> +    struct regmap *regmap; >> + >> +    regmap = devm_regmap_init_i3c(i3cdev, &tmp108_regmap_config); >> +    if (IS_ERR(regmap)) >> +        return dev_err_probe(dev, PTR_ERR(regmap), >> +                     "Failed to register i3c regmap\n"); >> + >> +    return tmp108_common_probe(dev, regmap, "p3t1085_i3c"); >> +} >> + >> +static struct i3c_driver p3t1085_driver = { >> +    .driver = { >> +        .name = "p3t1085_i3c", >> +    }, >> +    .probe = p3t1085_i3c_probe, >> +    .id_table = p3t1085_i3c_ids, >> +}; >> +module_i3c_driver(p3t1085_driver); >> +#endif > > While looking at i3c code, I found module_i3c_i2c_driver(). Can we use > that function to register both i2c and i3c in one call ? > Answering my own question: No, because devm_regmap_init_i3c() does not provide a dummy function if i3C is not enabled. Guenter