From cddd4591404fb4c53dc0b3c0b15b942cdbed4356 Mon Sep 17 00:00:00 2001 From: Yangbo Lu Date: Fri, 10 Apr 2020 10:47:05 +0800 Subject: 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 --- ...-dpaa2-mac-Request-atomic-context-MC-port.patch | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 target/linux/layerscape/patches-5.4/701-net-0161-staging-fsl-dpaa2-mac-Request-atomic-context-MC-port.patch (limited to 'target/linux/layerscape/patches-5.4/701-net-0161-staging-fsl-dpaa2-mac-Request-atomic-context-MC-port.patch') diff --git a/target/linux/layerscape/patches-5.4/701-net-0161-staging-fsl-dpaa2-mac-Request-atomic-context-MC-port.patch b/target/linux/layerscape/patches-5.4/701-net-0161-staging-fsl-dpaa2-mac-Request-atomic-context-MC-port.patch new file mode 100644 index 0000000000..95d0fb6fbe --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0161-staging-fsl-dpaa2-mac-Request-atomic-context-MC-port.patch @@ -0,0 +1,28 @@ +From 001bad547937cdd667adee45b5c7ebe78a1de1d0 Mon Sep 17 00:00:00 2001 +From: Ioana Radulescu +Date: Fri, 22 Sep 2017 12:20:02 +0300 +Subject: [PATCH] staging: fsl-dpaa2/mac: Request atomic context MC portals + +The MAC driver may need to issue MC commands while in atomic +context (e.g. dpaa2_mac_get_stats can be called from a critical +section), so we need to use MC portals that don't sleep while +waiting for a command response to arrive. + +Signed-off-by: Ioana Radulescu +--- + drivers/staging/fsl-dpaa2/mac/mac.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/drivers/staging/fsl-dpaa2/mac/mac.c ++++ b/drivers/staging/fsl-dpaa2/mac/mac.c +@@ -490,7 +490,9 @@ static int dpaa2_mac_probe(struct fsl_mc + + dev_set_drvdata(dev, priv); + +- err = fsl_mc_portal_allocate(mc_dev, 0, &mc_dev->mc_io); ++ /* We may need to issue MC commands while in atomic context */ ++ err = fsl_mc_portal_allocate(mc_dev, FSL_MC_IO_ATOMIC_CONTEXT_PORTAL, ++ &mc_dev->mc_io); + if (err || !mc_dev->mc_io) { + dev_err(dev, "fsl_mc_portal_allocate error: %d\n", err); + err = -ENODEV; -- cgit v1.2.3