From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 988613C38; Wed, 17 Sep 2025 00:48:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758070095; cv=none; b=eHp75BNQ0ZlRrN5eg2HnLjSZd+DTb/2LJpC2lFk5Npk0PhwRK/+DavIrhlXHIAeAc3kBlsV6xedJZKFIfjcRQ9oisgAHMjfN/yC76WxUW8NPxwqHr18iReo55Aw6J0lBc8cGIPNz1ZqYuCsqrOrk9qZu4InSAt3Tpaz1XF3z1PA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758070095; c=relaxed/simple; bh=vRAIdXOKpdVJ8Lf99sSrDe0C/XqGhJEXcMlToVAczkw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mHWwqjYjYeSJcqCkcsAlhMtNTUxt2peMaCxtZn3AmG07jgw8/HogOM0GP8nanbNbk0N289IsvHDy1bj41YsmdYr8KvD0GoyH1Bk8gLYACQwKB/wdb3bxJP12cf6MGIkRXtKdsx2jmoyzCd5S83P0UDNG1EranWb/Twc3gPAe7b8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K0t/livV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="K0t/livV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E2B4C4CEEB; Wed, 17 Sep 2025 00:48:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758070093; bh=vRAIdXOKpdVJ8Lf99sSrDe0C/XqGhJEXcMlToVAczkw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=K0t/livV7JVeClOD327d/qqH+7bPLmtwCtUAJNyAbwUbdBxrXnNKuIqZ+AwNdd2BV cQA3K4NJbV7X8PX/wvADs8uoeeOhoZE7q9OazCNkWER+VCC1//CMSVaZxONa2lXbpR pX428vSOZrA9aUEjFRQmxrfYu0a90uAtjUQYNQhyalHdhpbjxPMeRmZWbydFr6qMlp v5nfn4927S1ISQ7YbXS7oRU3TSJ0MbdgFYdMqnzG9owOAt/yFvPQgmt8J+EIz6DkY+ Biz2db5mCyl/NN16pk+LfwEsDc4qrnnNfcInhj9lZxmItZjv7gDRjn57U/aCdjrOtM 1uxvsDOVHOLoA== Message-ID: Date: Wed, 17 Sep 2025 09:48:06 +0900 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 22/25] mmc: host: Add RDA Micro SD/MMC driver To: dang.huynh@mainlining.org, Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , Alexandre Belloni , Michael Turquette , Stephen Boyd , Philipp Zabel , Sebastian Reichel , Vinod Koul , Kees Cook , "Gustavo A. R. Silva" , Ulf Hansson Cc: linux-arm-kernel@lists.infradead.org, linux-unisoc@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, dmaengine@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mmc@vger.kernel.org References: <20250917-rda8810pl-drivers-v1-0-9ca9184ca977@mainlining.org> <20250917-rda8810pl-drivers-v1-22-9ca9184ca977@mainlining.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJoF1BKBQkWlnSaAAoJEBuTQ307 QWKbHukP/3t4tRp/bvDnxJfmNdNVn0gv9ep3L39IntPalBFwRKytqeQkzAju0whYWg+R/rwp +r2I1Fzwt7+PTjsnMFlh1AZxGDmP5MFkzVsMnfX1lGiXhYSOMP97XL6R1QSXxaWOpGNCDaUl ajorB0lJDcC0q3xAdwzRConxYVhlgmTrRiD8oLlSCD5baEAt5Zw17UTNDnDGmZQKR0fqLpWy 786Lm5OScb7DjEgcA2PRm17st4UQ1kF0rQHokVaotxRM74PPDB8bCsunlghJl1DRK9s1aSuN hL1Pv9VD8b4dFNvCo7b4hfAANPU67W40AaaGZ3UAfmw+1MYyo4QuAZGKzaP2ukbdCD/DYnqi tJy88XqWtyb4UQWKNoQqGKzlYXdKsldYqrLHGoMvj1UN9XcRtXHST/IaLn72o7j7/h/Ac5EL 8lSUVIG4TYn59NyxxAXa07Wi6zjVL1U11fTnFmE29ALYQEXKBI3KUO1A3p4sQWzU7uRmbuxn naUmm8RbpMcOfa9JjlXCLmQ5IP7Rr5tYZUCkZz08LIfF8UMXwH7OOEX87Y++EkAB+pzKZNNd hwoXulTAgjSy+OiaLtuCys9VdXLZ3Zy314azaCU3BoWgaMV0eAW/+gprWMXQM1lrlzvwlD/k whyy9wGf0AEPpLssLVt9VVxNjo6BIkt6d1pMg6mHsUEVzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmgXUF8FCRaWWyoACgkQG5NDfTtBYptO0w//dlXJs5/42hAXKsk+PDg3wyEFb4NpyA1v qmx7SfAzk9Hf6lWwU1O6AbqNMbh6PjEwadKUk1m04S7EjdQLsj/MBSgoQtCT3MDmWUUtHZd5 RYIPnPq3WVB47GtuO6/u375tsxhtf7vt95QSYJwCB+ZUgo4T+FV4hquZ4AsRkbgavtIzQisg Dgv76tnEv3YHV8Jn9mi/Bu0FURF+5kpdMfgo1sq6RXNQ//TVf8yFgRtTUdXxW/qHjlYURrm2 H4kutobVEIxiyu6m05q3e9eZB/TaMMNVORx+1kM3j7f0rwtEYUFzY1ygQfpcMDPl7pRYoJjB dSsm0ZuzDaCwaxg2t8hqQJBzJCezTOIkjHUsWAK+tEbU4Z4SnNpCyM3fBqsgYdJxjyC/tWVT AQ18NRLtPw7tK1rdcwCl0GFQHwSwk5pDpz1NH40e6lU+NcXSeiqkDDRkHlftKPV/dV+lQXiu jWt87ecuHlpL3uuQ0ZZNWqHgZoQLXoqC2ZV5KrtKWb/jyiFX/sxSrodALf0zf+tfHv0FZWT2 zHjUqd0t4njD/UOsuIMOQn4Ig0SdivYPfZukb5cdasKJukG1NOpbW7yRNivaCnfZz6dTawXw XRIV/KDsHQiyVxKvN73bThKhONkcX2LWuD928tAR6XMM2G5ovxLe09vuOzzfTWQDsm++9UKF a/A= In-Reply-To: <20250917-rda8810pl-drivers-v1-22-9ca9184ca977@mainlining.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 17/09/2025 22:25, Dang Huynh via B4 Relay wrote: > From: Dang Huynh > > RDA Micro RDA8810PL includes an SD/MMC controller. This controller > supports SD/SDIO/MMC interface. > > Signed-off-by: Dang Huynh > --- > MAINTAINERS | 6 + > drivers/mmc/host/Kconfig | 12 + > drivers/mmc/host/Makefile | 1 + > drivers/mmc/host/rda-mmc.c | 853 +++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 872 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index 91be43782f4ba8aacb629002d357a66704f10b2b..33e04ce35dcc4cbadd715ec9199f2453237b8002 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -21417,6 +21417,12 @@ S: Maintained > F: Documentation/devicetree/bindings/rtc/rda,8810pl-rtc.yaml > F: drivers/rtc/rtc-rda.c > > +RDA MICRO SECURE DIGITAL AND MULTIMEDIA CARD DRIVER > +M: Dang Huynh > +S: Maintained > +F: Documentation/devicetree/bindings/mmc/rda,mmc.yaml > +F: drivers/mmc/host/rda-mmc.c > + > RDACM20 Camera Sensor > M: Jacopo Mondi > M: Kieran Bingham > diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig > index 4afa0130779d97ca9d1c0ed2102b0babdedcaeeb..352a6eb4e30793b7311c7877c238a7fe31121123 100644 > --- a/drivers/mmc/host/Kconfig > +++ b/drivers/mmc/host/Kconfig > @@ -1040,6 +1040,18 @@ config MMC_MTK > This is needed if support for any SD/SDIO/MMC devices is required. > If unsure, say N. > > +config MMC_RDA > + tristate "RDA Micro SD/MMC Card Interface support" > + depends on ARCH_RDA Missing compile test > + depends on COMMON_CLK > + depends on HAS_DMA > + help > + This selects the RDA Micro Secure digital and Multimedia card interface. The > + controller supports SD/SDIO/MMC interface. > + If you have a board with RDA SoC and it uses this interface, say Y or M here. > + > + If unsure, say N. ... > +}; > +MODULE_DEVICE_TABLE(of, rda_mmc_dt_ids); > + > +static struct platform_driver rda_mmc_driver = { > + .probe = rda_mmc_probe, > + .remove = rda_mmc_remove, > + .driver = { > + .name = "rda-mmc", > + .probe_type = PROBE_PREFER_ASYNCHRONOUS, > + .of_match_table = rda_mmc_dt_ids, > + }, > +}; > +module_platform_driver(rda_mmc_driver); > + > +MODULE_AUTHOR("Dang Huynh "); > +MODULE_LICENSE("GPL"); > +MODULE_DESCRIPTION("MMC/SD driver for RDA platform"); > +MODULE_ALIAS("platform:rda-mmc"); You should not need MODULE_ALIAS() in normal cases. If you need it, usually it means your device ID table is wrong (e.g. misses either entries or MODULE_DEVICE_TABLE()). MODULE_ALIAS() is not a substitute for incomplete ID table. > Best regards, Krzysztof