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 D0ADE21504D; Tue, 6 May 2025 08:03:02 +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=1746518582; cv=none; b=Eca1a/XB3OBqXYSMVoezqCLrXPIQIxHrV1bWeFJaM69BIAW4NmawPtSdS/jU/zmiMJ9ssb5bDRkKWukuAx3DcEHmQWJof/GzhpjXN/gk93JFr8mRB63ee7377XC9psncewdsoN2uq1bPQbfso0OsegBX8iesFFJ+A41cdELTng8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746518582; c=relaxed/simple; bh=vnJVR0fpUtnSD5YKrx/8xtPtn88K4qKx2bqXnh54DdI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=e1l7oBTX/21HN+/D/l+MObVQKb31JHyDJcpYt5s2biEtliUPQ07FxRsJzyoZ5ooPv9BhyAt+dv2MwJ7JnrOriSxypoxMdXCBKItzGdGoLtfoP0nRv+3VkMFWuNg2lIcAjNAfwm0ATc7dJeHmIG0JoxIGEVcd7wRdOkEIF9hfYLk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pa1N40qw; 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="pa1N40qw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19026C4CEE4; Tue, 6 May 2025 08:02:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746518582; bh=vnJVR0fpUtnSD5YKrx/8xtPtn88K4qKx2bqXnh54DdI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pa1N40qwqtx14HtJEXcKMZiNFf9xZ57dRcdBQvzS52soq2Tds+0FJepell8WvX9th Nffen8WVRA07EJ7XKtECXhaEbF/iJNTAQB/9tVdcGnbdwdriLqcjMeRSbflOiRO8gm Mwd9HXllPirOmZQW3Cjn95FWuilvk27t+KxH1ofzzsv+UxO0U5WusBCdxcZ9+n0EjW 0F9L9PKweuOAcPna+PPIPJ+sp3PS+yqyXWprJ6Y9Re0kYWOqdFIxvd46D7gkP0bsGC EQhmso3s+a0fCNFvxosbSAhtFmBQXPzzOE4SLaSyFvKyhBqyEOnrmaSB6cApZk/DsB JR6SNceDsfQtg== Message-ID: <88b463b2-6cd3-4b92-acc5-447bbfadabde@kernel.org> Date: Tue, 6 May 2025 10:02:57 +0200 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 v12 2/3] memory: Add STM32 Octo Memory Manager driver To: Patrice Chotard , Rob Herring , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Philipp Zabel , Krzysztof Kozlowski , Catalin Marinas , Will Deacon Cc: christophe.kerello@foss.st.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org References: <20250506-upstream_ospi_v6-v12-0-e3bb5a0d78fb@foss.st.com> <20250506-upstream_ospi_v6-v12-2-e3bb5a0d78fb@foss.st.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 06/05/2025 09:52, Patrice Chotard wrote: > Octo Memory Manager driver (OMM) manages: > - the muxing between 2 OSPI busses and 2 output ports. > There are 4 possible muxing configurations: > - direct mode (no multiplexing): OSPI1 output is on port 1 and OSPI2 > output is on port 2 > - OSPI1 and OSPI2 are multiplexed over the same output port 1 > - swapped mode (no multiplexing), OSPI1 output is on port 2, > OSPI2 output is on port 1 > - OSPI1 and OSPI2 are multiplexed over the same output port 2 > - the split of the memory area shared between the 2 OSPI instances. > - chip select selection override. > - the time between 2 transactions in multiplexed mode. > - check firewall access. > > Signed-off-by: Christophe Kerello > Signed-off-by: Patrice Chotard > --- > drivers/memory/Kconfig | 18 ++ > drivers/memory/Makefile | 1 + > drivers/memory/stm32_omm.c | 476 +++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 495 insertions(+) > > diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig > index c82d8d8a16eaf154c247c0dbb9aff428b7c81402..bc7ab46bd8b98a89f0d9173e884a99b778cdc9c4 100644 > --- a/drivers/memory/Kconfig > +++ b/drivers/memory/Kconfig > @@ -225,6 +225,24 @@ config STM32_FMC2_EBI > devices (like SRAM, ethernet adapters, FPGAs, LCD displays, ...) on > SOCs containing the FMC2 External Bus Interface. > > +config STM32_OMM > + tristate "STM32 Octo Memory Manager" > + depends on ARCH_STM32 || COMPILE_TEST > + depends on SPI_STM32_OSPI I don't think you tested for the reported issue. I reported that firewall symbols are missing and you add dependency on ospi. How is that related? How does this solve any problem? And to be sure, I applied this and obviously - as expected - same errors. Best regards, Krzysztof