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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-5.4/701-net-0151-soc-fsl-dpio-Prefer-the-CPU-affine-DPIO.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-5.4/701-net-0151-soc-fsl-dpio-Prefer-the-CPU-affine-DPIO.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0151-soc-fsl-dpio-Prefer-the-CPU-affine-DPIO.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0151-soc-fsl-dpio-Prefer-the-CPU-affine-DPIO.patch b/target/linux/layerscape/patches-5.4/701-net-0151-soc-fsl-dpio-Prefer-the-CPU-affine-DPIO.patch
new file mode 100644
index 0000000000..e9fdc7d0da
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0151-soc-fsl-dpio-Prefer-the-CPU-affine-DPIO.patch
@@ -0,0 +1,35 @@
+From 33b7977ba754b6ec4e65aaae34de92d4086ea0bd Mon Sep 17 00:00:00 2001
+From: Roy Pledge <roy.pledge@nxp.com>
+Date: Wed, 13 Sep 2017 17:03:06 -0400
+Subject: [PATCH] soc: fsl: dpio: Prefer the CPU affine DPIO
+
+Use the cpu affine DPIO unless there isn't one which can happen
+if less DPIOs than cores are assign to the kernel.
+
+Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
+---
+ drivers/soc/fsl/dpio/dpio-service.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+--- a/drivers/soc/fsl/dpio/dpio-service.c
++++ b/drivers/soc/fsl/dpio/dpio-service.c
+@@ -58,7 +58,7 @@ static inline struct dpaa2_io *service_s
+ * If cpu == -1, choose the current cpu, with no guarantees about
+ * potentially being migrated away.
+ */
+- if (unlikely(cpu < 0))
++ if (cpu < 0)
+ cpu = smp_processor_id();
+
+ /* If a specific cpu was requested, pick it up immediately */
+@@ -70,6 +70,10 @@ static inline struct dpaa2_io *service_s
+ if (d)
+ return d;
+
++ d = service_select_by_cpu(d, -1);
++ if (d)
++ return d;
++
+ spin_lock(&dpio_list_lock);
+ d = list_entry(dpio_list.next, struct dpaa2_io, node);
+ list_del(&d->node);