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[73.183.53.213]) by smtp.gmail.com with ESMTPSA id af79cd13be357-930f6a88b88sm710983185a.42.2026.07.24.12.06.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jul 2026 12:06:10 -0700 (PDT) Date: Fri, 24 Jul 2026 15:06:08 -0400 From: Brian Masney To: Christian Marangi Cc: Michael Turquette , Stephen Boyd , Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH 2/2] clk: en7523: add support for dedicated PCIe PERSTOUT reset Message-ID: References: <20260723190133.22577-1-ansuelsmth@gmail.com> <20260723190133.22577-2-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260723190133.22577-2-ansuelsmth@gmail.com> User-Agent: Mutt/2.4.0 (2026-06-19) On Thu, Jul 23, 2026 at 09:01:31PM +0200, Christian Marangi wrote: > Add support for resetting the PCIe lines with the PERSTOUT reset. These > special reset are controlled by the PCIC register and are specific to each > of the 3 PCIe lines. > > Contrary to the dedicated reset register where 0 deassert and 1 assert the > reset line for the related bit, for PCIe PERSTOUT reset in the PCIC > register, the deassert and assert value is swapped, with 1 for deassert and > 0 for assert. (HW have these bit set as 1 by default after a cold boot) > This is internally handled in the reset function. > > PCI enable/disable are updated to drop PERSTOUT bits in favor dedicated > reset handling. > > Signed-off-by: Christian Marangi Reviewed-by: Brian Masney