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authorYangbo Lu <yangbo.lu@nxp.com>2020-04-10 10:47:05 +0800
committerPetr Štetiar <ynezz@true.cz>2020-05-07 12:53:06 +0200
commitcddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch)
tree392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/820-usb-0013-MLK-9785-1-usb-host-ehci-hcd-enable-park-mode.patch
parentd1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff)
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layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/820-usb-0013-MLK-9785-1-usb-host-ehci-hcd-enable-park-mode.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/820-usb-0013-MLK-9785-1-usb-host-ehci-hcd-enable-park-mode.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/820-usb-0013-MLK-9785-1-usb-host-ehci-hcd-enable-park-mode.patch b/target/linux/layerscape/patches-5.4/820-usb-0013-MLK-9785-1-usb-host-ehci-hcd-enable-park-mode.patch
new file mode 100644
index 0000000000..b07c68031c
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/820-usb-0013-MLK-9785-1-usb-host-ehci-hcd-enable-park-mode.patch
@@ -0,0 +1,38 @@
+From df4f2de9834b02c58bc59cbd6c148db03fcbaba5 Mon Sep 17 00:00:00 2001
+From: Peter Chen <peter.chen@freescale.com>
+Date: Tue, 4 Nov 2014 20:46:15 +0800
+Subject: [PATCH] MLK-9785-1 usb: host: ehci-hcd: enable park mode
+
+Enable park mode will improve the performance a lot at USB ethernet use
+case, but a little at USB mass storage use case, and it is not harm from
+the tests. Below the performance comparison at imx6sl:
+
+USB Ethernet (Mbps)
+ Default Enable Park
+TX 192 262
+RX 262 290
+
+USB Mass Storage (MB/s)
+Read 21.8 22.9
+Write 19.5 22.8
+
+This patch is used for freescale internal.
+
+Signed-off-by: Peter Chen <peter.chen@freescale.com>
+(cherry picked from commit b2289a78958859cff37508e4db0314463f33c2e0)
+(cherry picked from commit 233f37db41b01b0f827b91422711642228371615)
+---
+ drivers/usb/host/ehci-hcd.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/usb/host/ehci-hcd.c
++++ b/drivers/usb/host/ehci-hcd.c
+@@ -80,7 +80,7 @@ module_param (log2_irq_thresh, int, S_IR
+ MODULE_PARM_DESC (log2_irq_thresh, "log2 IRQ latency, 1-64 microframes");
+
+ /* initial park setting: slower than hw default */
+-static unsigned park = 0;
++static unsigned park = 3;
+ module_param (park, uint, S_IRUGO);
+ MODULE_PARM_DESC (park, "park setting; 1-3 back-to-back async packets");
+