Message ID | ae3363eb212b356d526e9cfa7775c6dfea33e372.1731060031.git.andrea.porta@suse.com |
---|---|
State | New |
Headers | show
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[79.35.211.193]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9ee0a188besm213593566b.8.2024.11.08.02.38.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2024 02:38:58 -0800 (PST) From: Andrea della Porta <andrea.porta@suse.com> To: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Florian Fainelli <florian.fainelli@broadcom.com>, Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, Krzysztof Wilczynski <kw@linux.com>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, Bjorn Helgaas <bhelgaas@google.com>, Linus Walleij <linus.walleij@linaro.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Bartosz Golaszewski <brgl@bgdev.pl>, Derek Kiernan <derek.kiernan@amd.com>, Dragan Cvetic <dragan.cvetic@amd.com>, Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Saravana Kannan <saravanak@google.com>, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, Masahiro Yamada <masahiroy@kernel.org>, Stefan Wahren <wahrenst@gmx.net>, Herve Codina <herve.codina@bootlin.com>, Luca Ceresoli <luca.ceresoli@bootlin.com>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Andrew Lunn <andrew@lunn.ch> Cc: Andrea della Porta <andrea.porta@suse.com>, stable@vger.kernel.org Subject: [PATCH 2/2] of: address: Preserve the flags portion on 1:1 dma-ranges mapping Date: Fri, 8 Nov 2024 11:39:21 +0100 Message-ID: <ae3363eb212b356d526e9cfa7775c6dfea33e372.1731060031.git.andrea.porta@suse.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <cover.1731060031.git.andrea.porta@suse.com> References: <cover.1731060031.git.andrea.porta@suse.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: <linux-gpio.vger.kernel.org> List-Subscribe: <mailto:linux-gpio+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-gpio+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
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Preserve the flags portion on 1:1 dma-ranges mapping
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diff --git a/drivers/of/address.c b/drivers/of/address.c index 286f0c161e33..72b6accff21c 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -455,7 +455,8 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, } if (ranges == NULL || rlen == 0) { offset = of_read_number(addr, na); - memset(addr, 0, pna * 4); + /* copy the address while preserving the flags */ + memset(addr + pbus->flag_cells, 0, (pna - pbus->flag_cells) * 4); pr_debug("empty ranges; 1:1 translation\n"); goto finish; }