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[195.23.151.163]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-493c63b6f1bsm63113575e9.10.2026.07.02.12.09.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Jul 2026 12:09:18 -0700 (PDT) Sender: Julian Braha Message-ID: <4382cf33-7f12-45f1-9f10-90e1cb48adf9@gmail.com> Date: Thu, 2 Jul 2026 20:08:54 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 7/7] mfd: nct6694: Add Host Interface (HIF) eSPI transport driver To: a0282524688@gmail.com, lee@kernel.org, Ming Yu Cc: linux-kernel@vger.kernel.org References: <20260701035025.3082927-1-a0282524688@gmail.com> <20260701035025.3082927-8-a0282524688@gmail.com> Content-Language: en-US From: Julian Braha In-Reply-To: <20260701035025.3082927-8-a0282524688@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Ming, On 7/1/26 04:50, a0282524688@gmail.com wrote: > +++ b/drivers/mfd/Kconfig > @@ -1175,6 +1175,22 @@ config MFD_NCT6694 > > It is selected automatically by the transport interface drivers. > > +config MFD_NCT6694_HIF > + tristate "Nuvoton NCT6694 HIF (eSPI) interface support" > + depends on HAS_IOPORT && ACPI > + select MFD_NCT6694 > + select REGMAP_MMIO > + help > + This enables support for the Nuvoton NCT6694 peripheral expander > + connected via the Host Interface (HIF) using eSPI transport. > + > + The transport driver uses Super-I/O mapping and shared memory to > + communicate with the NCT6694 firmware. Enable this option if you > + are using the NCT6694 over an eSPI interface on an ACPI platform. > + > + To compile this driver as a module, choose M here: the module > + will be called nct6694-hif. > + MFD_NCT6694_HIF likely should have a dependency on USB, since it's selecting MFD_NCT6694. Else you may have an unmet dependency. - Julian Braha