On 04/10/2017 06:06 PM, gregkh@linuxfoundation.org wrote: > > This is a note to let you know that I've just added the patch titled > > can: flexcan: add quirk FLEXCAN_QUIRK_ENABLE_EACEN_RRS > > to the 4.9-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > The filename of the patch is: > can-flexcan-add-quirk-flexcan_quirk_enable_eacen_rrs.patch > and it can be found in the queue-4.9 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, > please let know about it. This is a preparation patch for the two patches which coming after the original one. Which depend on several coming before this one. So from my point of view it makes no sense to pick this patch individually, please remove from 4.9 and 4.10 stable queue. Thanks, Marc > From foo@baz Mon Apr 10 17:43:56 CEST 2017 > From: alexander.levin@verizon.com > Date: Tue, 4 Apr 2017 19:32:39 +0000 > Subject: can: flexcan: add quirk FLEXCAN_QUIRK_ENABLE_EACEN_RRS > To: "gregkh@linuxfoundation.org" > Cc: "stable@vger.kernel.org" > Message-ID: <20170404193158.19041-99-alexander.levin@verizon.com> > > From: Marc Kleine-Budde > > [ Upstream commit 9eb7aa891101a4a09114ff3191f9877ea35eae06 ] > > In order to receive RTR frames in the non HW FIFO mode the RSS and EACEN bits > of the reg_ctrl2 have to be activated. As this has no side effect in the FIFO > mode, we do this unconditionally on cores with the reg_ctrl2. > > Signed-off-by: Marc Kleine-Budde > Signed-off-by: Sasha Levin > Signed-off-by: Greg Kroah-Hartman > --- > drivers/net/can/flexcan.c | 18 +++++++++++++----- > 1 file changed, 13 insertions(+), 5 deletions(-) > > --- a/drivers/net/can/flexcan.c > +++ b/drivers/net/can/flexcan.c > @@ -189,7 +189,8 @@ > */ > #define FLEXCAN_QUIRK_BROKEN_ERR_STATE BIT(1) /* [TR]WRN_INT not connected */ > #define FLEXCAN_QUIRK_DISABLE_RXFG BIT(2) /* Disable RX FIFO Global mask */ > -#define FLEXCAN_QUIRK_DISABLE_MECR BIT(3) /* Disble Memory error detection */ > +#define FLEXCAN_QUIRK_ENABLE_EACEN_RRS BIT(3) /* Enable EACEN and RRS bit in ctrl2 */ > +#define FLEXCAN_QUIRK_DISABLE_MECR BIT(4) /* Disble Memory error detection */ > > /* Structure of the message buffer */ > struct flexcan_mb { > @@ -268,12 +269,13 @@ static struct flexcan_devtype_data fsl_p > > static struct flexcan_devtype_data fsl_imx28_devtype_data; > > -static struct flexcan_devtype_data fsl_imx6q_devtype_data = { > - .quirks = FLEXCAN_QUIRK_DISABLE_RXFG, > +static const struct flexcan_devtype_data fsl_imx6q_devtype_data = { > + .quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS, > }; > > -static struct flexcan_devtype_data fsl_vf610_devtype_data = { > - .quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_DISABLE_MECR, > +static const struct flexcan_devtype_data fsl_vf610_devtype_data = { > + .quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS | > + FLEXCAN_QUIRK_DISABLE_MECR, > }; > > static const struct can_bittiming_const flexcan_bittiming_const = { > @@ -883,6 +885,12 @@ static int flexcan_chip_start(struct net > netdev_dbg(dev, "%s: writing ctrl=0x%08x", __func__, reg_ctrl); > flexcan_write(reg_ctrl, ®s->ctrl); > > + if ((priv->devtype_data->quirks & FLEXCAN_QUIRK_ENABLE_EACEN_RRS)) { > + reg_ctrl2 = flexcan_read(®s->ctrl2); > + reg_ctrl2 |= FLEXCAN_CTRL2_EACEN | FLEXCAN_CTRL2_RRS; > + flexcan_write(reg_ctrl2, ®s->ctrl2); > + } > + > /* clear and invalidate all mailboxes first */ > for (i = FLEXCAN_TX_BUF_ID; i < ARRAY_SIZE(regs->mb); i++) { > flexcan_write(FLEXCAN_MB_CODE_RX_INACTIVE, > > > Patches currently in stable-queue which might be from gregkh@linuxfoundation.org are > > queue-4.9/staging-android-ashmem-lseek-failed-due-to-no-fmode_lseek.patch > queue-4.9/arm64-dts-hisi-fix-hip06-sas-am-max-trans-quirk.patch > queue-4.9/scsi-ufs-introduce-ufshcd_quirk_prdt_byte_gran-quirk.patch > queue-4.9/acpi-button-change-default-behavior-to-lid_init_state-open.patch > queue-4.9/usb-musb-da8xx-fix-host-mode-suspend.patch > queue-4.9/drm-i915-fix-intel_bdw_ids-definition.patch > queue-4.9/sysfs-be-careful-of-error-returns-from-ops-show.patch > queue-4.9/mips-flush-wrong-invalid-ftlb-entry-for-huge-page.patch > queue-4.9/mips-end-spinlocks-with-.insn.patch > queue-4.9/mmc-sdhci-of-esdhc-remove-default-broken-cd-for-arm.patch > queue-4.9/kvm-arm-arm64-fix-locking-for-kvm_free_stage2_pgd.patch > queue-4.9/powerpc-disable-hfscr-if-tm-is-not-supported.patch > queue-4.9/metag-usercopy-add-missing-fixups.patch > queue-4.9/nios2-reserve-boot-memory-for-device-tree.patch > queue-4.9/alsa-usb-audio-add-implicit-fb-quirk-for-axe-fx-ii.patch > queue-4.9/svcauth_gss-close-connection-when-dropping-an-incoming-message.patch > queue-4.9/platform-x86-asus-wmi-detect-quirk_no_rfkill-from-the-dsdt.patch > queue-4.9/ring-buffer-fix-return-value-check-in-test_ringbuffer.patch > queue-4.9/ppdev-check-before-attaching-port.patch > queue-4.9/firmware-qcom-scm-fix-interrupted-scm-calls.patch > queue-4.9/pci-add-broadcom-northstar2-paxc-quirk-for-device-class-and-mpss.patch > queue-4.9/powerpc-64-fix-flush_-d-i-cache_range-called-from-modules.patch > queue-4.9/drm-sun4i-tcon-move-soc-specific-quirks-to-a-dt-matched-data-structure.patch > queue-4.9/acpi-gpio-do-not-fall-back-to-parsing-_crs-when-we-get-a-deferral.patch > queue-4.9/pci-explain-arm64-acpi-mcfg-quirk-kconfig-and-build-strategy.patch > queue-4.9/metag-usercopy-add-early-abort-to-copy_to_user.patch > queue-4.9/powerpc-crypto-crc32c-vpmsum-fix-missing-preempt_disable.patch > queue-4.9/hid-multitouch-do-not-retrieve-all-reports-for-all-devices.patch > queue-4.9/arm-arm64-kvm-take-mmap_sem-in-kvm_arch_prepare_memory_region.patch > queue-4.9/arm-dts-stih407-family-set-snps-dis_u3_susphy_quirk.patch > queue-4.9/rx51-broken-build.patch > queue-4.9/mips-ralink-fix-typos-in-rt3883-pinctrl.patch > queue-4.9/cfg80211-check-rdev-resume-callback-only-for-registered-wiphy.patch > queue-4.9/metag-usercopy-set-flags-before-addz.patch > queue-4.9/asoc-intel-bytct_rt5640-change-default-capture-settings.patch > queue-4.9/metag-usercopy-fix-src-fixup-in-from-user-rapf-loops.patch > queue-4.9/hid-asus-fix-keyboard-support.patch > queue-4.9/drm-sun4i-add-compatible-string-for-a31-a31s-tcon-timing-controller.patch > queue-4.9/arm64-pci-manage-controller-specific-data-on-per-controller-basis.patch > queue-4.9/platform-x86-acer-wmi-only-supports-amw0_guid1-on-acer-family.patch > queue-4.9/xtensa-make-__pa-work-with-uncached-kseg-addresses.patch > queue-4.9/asoc-codecs-rt5670-add-quirk-for-lenovo-thinkpad-10.patch > queue-4.9/clk-lpc32xx-add-a-quirk-for-pwm-and-ms-clock-dividers.patch > queue-4.9/powerpc-mm-add-missing-global-tlb-invalidate-if-cxl-is-active.patch > queue-4.9/tools-power-turbostat-dump-atom-p-states-correctly.patch > queue-4.9/clocksource-drivers-arm_arch_timer-don-t-assume-clock-runs-in-suspend.patch > queue-4.9/asoc-intel-cht_bsw_rt5645-add-baytrail-mclk-support.patch > queue-4.9/watchdog-s3c2410-fix-infinite-interrupt-in-soft-mode.patch > queue-4.9/arm64-pci-search-acpi-namespace-to-ensure-ecam-space-is-reserved.patch > queue-4.9/pci-add-mcfg-quirks-for-cavium-thunderx-pass1.x-host-controller.patch > queue-4.9/drm-i915-actually-drive-the-bdw-reserved-ids.patch > queue-4.9/net-mlx4_core-use-device-id-defines.patch > queue-4.9/scsi-ufs-introduce-a-new-ufshcd_statea-ufshcd_state_eh_scheduled.patch > queue-4.9/hid-sensor-hub-add-quirk-for-microsoft-surface-3.patch > queue-4.9/serial-8250_omap-add-omap_dma_tx_kick-quirk-for-am437x.patch > queue-4.9/brcmfmac-use-local-iftype-avoiding-use-after-free-of-virtual-interface.patch > queue-4.9/pci-acpi-check-for-platform-specific-mcfg-quirks.patch > queue-4.9/drm-vmwgfx-remove-getparam-error-message.patch > queue-4.9/mac80211-unconditionally-start-new-netdev-queues-with-itxq-support.patch > queue-4.9/dm-verity-fec-fix-bufio-leaks.patch > queue-4.9/x86-intel_idle-add-cpu-model-0x4a-atom-z34xx-series.patch > queue-4.9/hid-wacom-don-t-apply-generic-settings-to-old-devices.patch > queue-4.9/hid-sensor-hub-add-quirk-for-microchip-mm7150.patch > queue-4.9/arm-kernel-add-smc-structure-parameter.patch > queue-4.9/usb-storage-add-ignore-residue-quirk-for-initio-inic-3619.patch > queue-4.9/drm-vmwgfx-type-check-lookups-of-fence-objects.patch > queue-4.9/hid-asus-add-i2c-touchpad-support.patch > queue-4.9/nvme-simplify-stripe-quirk.patch > queue-4.9/drm-sun4i-add-compatible-strings-for-a31-a31s-display-pipelines.patch > queue-4.9/dm-verity-fec-limit-error-correction-recursion.patch > queue-4.9/drm-edid-constify-edid-quirk-list.patch > queue-4.9/s390-uaccess-get_user-should-zero-on-failure-again.patch > queue-4.9/dm-raid-fix-null-pointer-dereference-for-raid1-without-bitmap.patch > queue-4.9/random-use-chacha20-for-get_random_int-long.patch > queue-4.9/ptrace-fix-ptrace_listen-race-corrupting-task-state.patch > queue-4.9/drm-vmwgfx-fix-integer-overflow-in-vmw_surface_define_ioctl.patch > queue-4.9/pci-sort-the-list-of-devices-with-d3-delay-quirk-by-id.patch > queue-4.9/pci-add-mcfg-quirks-for-x-gene-host-controller.patch > queue-4.9/hid-i2c-hid-add-a-simple-quirk-to-fix-device-defects.patch > queue-4.9/drm-msm-adreno-move-function-declarations-to-header-file.patch > queue-4.9/s390-decompressor-fix-initrd-corruption-caused-by-bss-clear.patch > queue-4.9/pci-disable-msi-for-hisilicon-hip06-hip07-root-ports.patch > queue-4.9/mips-check-tlb-before-handle_ri_rdhwr-for-loongson-3.patch > queue-4.9/pci-add-acs-quirk-for-intel-union-point.patch > queue-4.9/asoc-intel-baytrail-add-quirk-for-lenovo-thinkpad-10.patch > queue-4.9/can-flexcan-add-quirk-flexcan_quirk_enable_eacen_rrs.patch > queue-4.9/metag-usercopy-drop-unused-macros.patch > queue-4.9/pci-expand-vpd-access-disabled-quirk-message.patch > queue-4.9/drm-i915-more-.is_mobile-cleanups-for-bdw.patch > queue-4.9/hid-multitouch-enable-the-surface-4-type-cover-pro-jp-to-report-multitouch-data.patch > queue-4.9/iio-bmg160-reset-chip-when-probing.patch > queue-4.9/orangefs-move-features-validation-to-fix-filesystem-hang.patch > queue-4.9/arm64-mm-unaligned-access-by-user-land-should-be-received-as-sigbus.patch > queue-4.9/powerpc-don-t-try-to-fix-up-misaligned-load-with-reservation-instructions.patch > queue-4.9/usb-chipidea-msm-rely-on-core-to-override-ahbburst.patch > queue-4.9/scsi-ufs-refactor-device-descriptor-reading.patch > queue-4.9/asoc-intel-bytcr_rt5640-quirks-for-insyde-devices.patch > queue-4.9/mips-lantiq-fix-missing-xbar-kernel-panic.patch > queue-4.9/metag-usercopy-zero-rest-of-buffer-from-copy_from_user.patch > queue-4.9/xfs-honor-falloc_fl_keep_size-when-punching-ends-of-files.patch > queue-4.9/hid-multitouch-enable-the-surface-3-type-cover-to-report-multitouch-data.patch > queue-4.9/scsi-ufs-issue-link-starup-2-times-if-device-isn-t-active.patch > queue-4.9/asoc-rt5670-add-missing-10ec5072-acpi-id.patch > queue-4.9/metag-usercopy-fix-alignment-error-checking.patch > queue-4.9/x86-reboot-quirks-add-asus-eeebook-x205ta-reboot-quirk.patch > queue-4.9/input-gpio_keys-add-support-for-gpio-descriptors.patch > queue-4.9/pci-xgene-fix-double-free-on-init-error.patch > queue-4.9/acpi-save-nvs-memory-for-lenovo-g50-45.patch > queue-4.9/asoc-intel-cht_bsw_rt5645-harden-acpi-device-detection.patch > queue-4.9/sata-ahci-da850-implement-a-workaround-for-the-softreset-quirk.patch > queue-4.9/reset-treeid-to-zero-on-smb2-tree_connect.patch > queue-4.9/pci-add-acs-quirk-for-qualcomm-qdf2400-and-qdf2432.patch > queue-4.9/tools-power-turbostat-decode-baytrail-cc6-and-mc6-demotion-configuration.patch > queue-4.9/arm-davinci-pm-support-da8xx-dt-platforms.patch > queue-4.9/documentation-stable-kernel-rules-fix-stable-tag-format.patch > queue-4.9/drm-mga-remove-device_is_agp-callback.patch > queue-4.9/usb-host-xhci-plat-enable-broken_ped-quirk-if-platform-requested.patch > queue-4.9/mm-mempolicy.c-fix-error-handling-in-set_mempolicy-and-mbind.patch > queue-4.9/pci-add-mcfg-quirks-for-qualcomm-qdf2432-host-controller.patch > queue-4.9/amd-xgbe-prepare-for-working-with-more-than-one-type-of-phy.patch > queue-4.9/arm-arm64-kvm-take-mmap_sem-in-stage2_unmap_vm.patch > queue-4.9/mm-page_alloc.c-fix-print-order-in-show_free_areas.patch > queue-4.9/usb-dwc3-host-pass-quirk-broken-port-ped-property-for-known-broken-revisions.patch > queue-4.9/hid-usbhid-add-quirk-for-the-futaba-tosd-5711bb-vfd.patch > queue-4.9/mmc-sdhci-msm-enable-few-quirks.patch > queue-4.9/hid-usbhid-add-quirk-for-mayflash-dragonrise-dolphinbar.patch > queue-4.9/arm-smccc-update-hvc-comment-to-describe-new-quirk-parameter.patch > queue-4.9/hid-usbhid-add-quirks-for-mayflash-dragonrise-gamecube-and-ps3-adapters.patch > queue-4.9/pci-thunder-pem-factor-out-resource-lookup.patch > queue-4.9/pci-acpi-extend-pci_mcfg_lookup-to-return-ecam-config-accessors.patch > queue-4.9/mips-c-r4k-fix-loongson-3-s-vcache-scache-waysize-calculation.patch > queue-4.9/platform-x86-asus-wmi-set-specified-xusb2pr-value-for-x550lb.patch > queue-4.9/drm-vmwgfx-avoid-calling-vzalloc-with-a-0-size-in-vmw_get_cap_3d_ioctl.patch > queue-4.9/usb-xhci-add-quirk-flag-for-broken-ped-bits.patch > queue-4.9/scsi-ufs-ensure-that-host-pa_tactivate-is-higher-than-device.patch > queue-4.9/mips-force-o32-fp64-support-on-32bit-mips64r6-kernels.patch > queue-4.9/arm-davinci-add-skeleton-for-pdata-quirks.patch > queue-4.9/usb-dwc3-gadget-delay-unmap-of-bounced-requests.patch > queue-4.9/x86-reboot-quirks-fix-typo-in-asus-eeebook-x205ta-reboot-quirk.patch > queue-4.9/mips-add-mips_cpu_ftlb-for-loongson-3a-r2.patch > queue-4.9/alsa-usb-audio-add-native-dsd-support-for-teac-501-503-dac.patch > queue-4.9/kbuild-use-cc-disable-warning-consistently-for-maybe-uninitialized.patch > queue-4.9/arm-omap2-fix-init-for-multiple-quirks-for-the-same-soc.patch > queue-4.9/pci-add-mcfg-quirks-for-hisilicon-hip05-06-07-host-controllers.patch > queue-4.9/hid-microsoft-add-surface-4-type-cover-pro-4-not-jp-versions.patch > queue-4.9/ppdev-fix-registering-same-device-name.patch > queue-4.9/pci-add-mcfg-quirks-for-cavium-thunderx-pass2.x-host-controller.patch > queue-4.9/x86-reboot-quirks-add-asus-eeebook-x205ta-w-reboot-quirk.patch > queue-4.9/acpi-sysfs-provide-quirk-mechanism-to-prevent-gpe-flooding.patch > queue-4.9/scsi-ufs-add-quirk-to-increase-host-pa_saveconfigtime.patch > queue-4.9/drm-ttm-drm-vmwgfx-relax-permission-checking-when-opening-surfaces.patch > queue-4.9/arm64-pci-add-local-struct-device-pointers.patch > queue-4.9/drm-vmwgfx-null-pointer-dereference-in-vmw_surface_define_ioctl.patch > queue-4.9/asoc-sun4i-i2s-add-quirks-to-handle-a31-compatible.patch > -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |