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 F3E6C34CFD6; Wed, 21 Jan 2026 10:41:09 +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=1768992070; cv=none; b=XSt+3m1Jp/8xNyHUGLM770gf8fUq6DP1/bvvWZGhBkIFqRMyhHOo9Nf91HOy58IsgsGjz2IAjLhQ15MXzZ0DL+JmvO4N1HR2LoKMccEoQ5BInmEkfSIaaN/eJp0H43CGD0sFqusuA7+E6Gdh7doLmGFPlsFhb4ghWTyA/NI/gpI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768992070; c=relaxed/simple; bh=bEJkfsgGin856/N+1YngFfoVug+NtpgmRle+eLELJTk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=evoujxd7FtuZ1yM0C/5bo9cMh0xa5eqN7hie/RjTgYuSzk9bBb9Zp6wrICsjx7XYtnVAX2D/J8gD3omX9izhH6wLjicOvOTOkp9GxuA1RUJNYiLNISYafU516ZSZGhnLhLyGE1kIkhjbfcRjXX0QlP0rbDGN1dgUrvjq6xUguD8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GPrbfhwG; 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="GPrbfhwG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEFDBC116D0; Wed, 21 Jan 2026 10:41:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768992069; bh=bEJkfsgGin856/N+1YngFfoVug+NtpgmRle+eLELJTk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GPrbfhwGnn3OtJT/af+PKUqyN+t2GRTIaX/KRFmk44jjw9L73+7VkkPgDhKOS8yZW xumxSX7jWQ89EKhZlkjLBdyr7rKvLYsrxVD0BzskiDKhFHYf6xAHP4T88x0aY5A78h HRoMux5TJwP5PSc0Tv3fhsswMJJ2+gtAEMVAnbpT0Ri3E6kJoG5PVHQWu0bp7o4Fmy 6L+eapR+GBLhKMAllXZ6LufxD0bxbasDw+EwbwHn02jg+vwxVqzk0ky8NW7Aos/yAu i6gNOCCs2RAwjSIPHTNlB9fTzv1IY4jqvNcbDa/VTRLB2reJfkgRQ83+Y3XrvDH5bC ozGZge7fjBqgg== Date: Wed, 21 Jan 2026 11:41:04 +0100 From: Niklas Cassel To: Randolph Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, bhelgaas@google.com, robh@kernel.org, kwilczynski@kernel.org, lpieralisi@kernel.org, mani@kernel.org, jingoohan1@gmail.com, samuel.holland@sifive.com, Frank.Li@nxp.com, cmirabil@redhat.com, randolph.sklin@gmail.com, tim609@andestech.com Subject: Re: [PATCH v2] PCI: dwc: Use multiple ATU regions for large bridge windows Message-ID: References: <20260109113430.2767264-1-randolph@andestech.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260109113430.2767264-1-randolph@andestech.com> On Fri, Jan 09, 2026 at 07:34:30PM +0800, Randolph wrote: > From: Samuel Holland > > Some SoCs may allocate more address space for a bridge window than can > be covered by a single ATU region. Allow using a larger bridge window > by allocating multiple adjacent ATU regions. > > Signed-off-by: Samuel Holland > Reviewed-by: Frank Li > Acked-by: Charles Mirabile > Signed-off-by: Charles Mirabile > Co-developed-by: Randolph Lin > Signed-off-by: Randolph Lin > --- Reviewed-by: Niklas Cassel