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[83.28.44.216]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5681795da60sm1087381e87.90.2025.09.10.01.15.42 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 10 Sep 2025 01:15:43 -0700 (PDT) Date: Wed, 10 Sep 2025 10:15:39 +0200 From: Michal Pecio To: "Neronin, Niklas" Cc: mathias.nyman@linux.intel.com, linux-usb@vger.kernel.org Subject: Re: [PATCH 1/7] usb: xhci-dbgcap: correct DMA address handling Message-ID: <20250910101539.2f65f797.michal.pecio@gmail.com> In-Reply-To: References: <20250903170127.2190730-1-niklas.neronin@linux.intel.com> <20250903170127.2190730-2-niklas.neronin@linux.intel.com> <20250909121313.13286b34.michal.pecio@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 10 Sep 2025 11:00:06 +0300, Neronin, Niklas wrote: > dma_addr_t trb_dma - is a DMA address > u64 ep_trb - is a 64-bit value, which, if correct, represents a DMA address. Well, I guess that's true, but the inconsistency with the rest of the driver looks odd. And it is still a DMA space address, if it's any valid address at all.