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[79.47.249.147]) by smtp.googlemail.com with ESMTPSA id w6-20020a5d6806000000b002036515dda7sm2396699wru.33.2022.03.09.11.15.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Mar 2022 11:15:24 -0800 (PST) From: Ansuel Smith To: Andy Gross , Bjorn Andersson , Rob Herring , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ansuel Smith , Jonathan McDowell Subject: [PATCH v3 07/18] ARM: dts: qcom: reduce pci IO size to 64K for ipq8064 Date: Wed, 9 Mar 2022 20:01:41 +0100 Message-Id: <20220309190152.7998-8-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220309190152.7998-1-ansuelsmth@gmail.com> References: <20220309190152.7998-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The current value for pci IO is problematic for ath10k wifi card commonly connected to ipq8064 SoC. The current value is probably a typo and is actually uncommon to find 1MB IO space even on a x86 arch. Also with recent changes to the pci driver, pci1 and pci2 now fails to function as any connected device fails any reg read/write. Reduce this to 64K as it should be more than enough and 3 * 64K of total IO space doesn't exceed the IO_SPACE_LIMIT hardcoded for the ARM arch. Signed-off-by: Ansuel Smith Tested-by: Jonathan McDowell Reviewed-by: Dmitry Baryshkov --- arch/arm/boot/dts/qcom-ipq8064.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi index e247bf51df01..36bdfc8db3f0 100644 --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi @@ -918,7 +918,7 @@ pcie0: pci@1b500000 { #address-cells = <3>; #size-cells = <2>; - ranges = <0x81000000 0 0x0fe00000 0x0fe00000 0 0x00100000 /* downstream I/O */ + ranges = <0x81000000 0 0x0fe00000 0x0fe00000 0 0x00010000 /* downstream I/O */ 0x82000000 0 0x08000000 0x08000000 0 0x07e00000>; /* non-prefetchable memory */ interrupts = ; @@ -969,7 +969,7 @@ pcie1: pci@1b700000 { #address-cells = <3>; #size-cells = <2>; - ranges = <0x81000000 0 0x31e00000 0x31e00000 0 0x00100000 /* downstream I/O */ + ranges = <0x81000000 0 0x31e00000 0x31e00000 0 0x00010000 /* downstream I/O */ 0x82000000 0 0x2e000000 0x2e000000 0 0x03e00000>; /* non-prefetchable memory */ interrupts = ; @@ -1020,7 +1020,7 @@ pcie2: pci@1b900000 { #address-cells = <3>; #size-cells = <2>; - ranges = <0x81000000 0 0x35e00000 0x35e00000 0 0x00100000 /* downstream I/O */ + ranges = <0x81000000 0 0x35e00000 0x35e00000 0 0x00010000 /* downstream I/O */ 0x82000000 0 0x32000000 0x32000000 0 0x03e00000>; /* non-prefetchable memory */ interrupts = ;