From mboxrd@z Thu Jan 1 00:00:00 1970 From: peter.chen@freescale.com (Peter Chen) Date: Wed, 30 Sep 2015 10:17:16 +0800 Subject: [RESEND PATCH v2 1/2] ARM: imx6: set ahb-burst-config as 0 for USB Message-ID: <1443579437-845-1-git-send-email-peter.chen@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org After setting ahb burst configuration as 0, we can increase tx/rx burst size, it will improve the USB performance Signed-off-by: Peter Chen --- Changes for v2: - Applies changes for imx6ul arch/arm/boot/dts/imx6qdl.dtsi | 4 ++++ arch/arm/boot/dts/imx6sl.dtsi | 3 +++ arch/arm/boot/dts/imx6sx.dtsi | 3 +++ arch/arm/boot/dts/imx6ul.dtsi | 2 ++ 4 files changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index e716e6f..3d04a17 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -906,6 +906,7 @@ clocks = <&clks IMX6QDL_CLK_USBOH3>; fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -917,6 +918,7 @@ fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -927,6 +929,7 @@ clocks = <&clks IMX6QDL_CLK_USBOH3>; fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -937,6 +940,7 @@ clocks = <&clks IMX6QDL_CLK_USBOH3>; fsl,usbmisc = <&usbmisc 3>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index 320a27f..057b1d4 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -689,6 +689,7 @@ clocks = <&clks IMX6SL_CLK_USBOH3>; fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -699,6 +700,7 @@ clocks = <&clks IMX6SL_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -709,6 +711,7 @@ clocks = <&clks IMX6SL_CLK_USBOH3>; fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index c94f2ea..70a7c4f 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -783,6 +783,7 @@ fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -793,6 +794,7 @@ clocks = <&clks IMX6SX_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -805,6 +807,7 @@ phy_type = "hsic"; fsl,anatop = <&anatop>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi index 09edbed..654009f 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -535,6 +535,7 @@ fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -545,6 +546,7 @@ clocks = <&clks IMX6UL_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; }; -- 1.9.1