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 --- ...-flexcan_mailbox_read-make-use-of-flexcan.patch | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 target/linux/layerscape/patches-5.4/802-can-0017-can-flexcan-flexcan_mailbox_read-make-use-of-flexcan.patch (limited to 'target/linux/layerscape/patches-5.4/802-can-0017-can-flexcan-flexcan_mailbox_read-make-use-of-flexcan.patch') diff --git a/target/linux/layerscape/patches-5.4/802-can-0017-can-flexcan-flexcan_mailbox_read-make-use-of-flexcan.patch b/target/linux/layerscape/patches-5.4/802-can-0017-can-flexcan-flexcan_mailbox_read-make-use-of-flexcan.patch new file mode 100644 index 0000000000..37c2ed3cf9 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/802-can-0017-can-flexcan-flexcan_mailbox_read-make-use-of-flexcan.patch @@ -0,0 +1,37 @@ +From 6340760d0671e92b15ff92b7eda41bbdd9702437 Mon Sep 17 00:00:00 2001 +From: Marc Kleine-Budde +Date: Fri, 1 Mar 2019 16:27:59 +0100 +Subject: [PATCH] can: flexcan: flexcan_mailbox_read() make use of + flexcan_write64() to mark the mailbox as read + +In the previous patch the function flexcan_write64() was introduced. + +This patch replaces the open coded variant in flexcan_mailbox_read() +that marks a mailbox as read, by a single call to flexcan_write64(). + +Signed-off-by: Marc Kleine-Budde +--- + drivers/net/can/flexcan.c | 11 +++-------- + 1 file changed, 3 insertions(+), 8 deletions(-) + +--- a/drivers/net/can/flexcan.c ++++ b/drivers/net/can/flexcan.c +@@ -884,15 +884,10 @@ static struct sk_buff *flexcan_mailbox_r + } + + mark_as_read: +- if (priv->devtype_data->quirks & FLEXCAN_QUIRK_USE_OFF_TIMESTAMP) { +- /* Clear IRQ */ +- if (n < 32) +- priv->write(BIT(n), ®s->iflag1); +- else +- priv->write(BIT(n - 32), ®s->iflag2); +- } else { ++ if (priv->devtype_data->quirks & FLEXCAN_QUIRK_USE_OFF_TIMESTAMP) ++ flexcan_write64(priv, FLEXCAN_IFLAG_MB(n), ®s->iflag1); ++ else + priv->write(FLEXCAN_IFLAG_RX_FIFO_AVAILABLE, ®s->iflag1); +- } + + /* Read the Free Running Timer. It is optional but recommended + * to unlock Mailbox as soon as possible and make it available -- cgit v1.2.3