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f89904ad78
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.77 Removed upstreamed: generic/backport-6.1/707-v6.8-01-net-phy-at803x-fix-passing-the-wrong-reference-for-c.patch[1] generic/backport-6.1/796-v6.8-ipmr-fix-kernel-panic-when-forwarding-mcast-packets.patch[2] All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.77&id=7dc0fefd37dd5fb03fdac6e3e01b1c2291148ccb 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.77&id=d2f1b7fe74afd66298dbb3c7b39e7b62e4df1724 Build system: x86/64 Build-tested: x86/64/AMD Cezanne Run-tested: x86/64/AMD Cezanne Signed-off-by: John Audia <therealgraysky@proton.me>
122 lines
4.4 KiB
Diff
122 lines
4.4 KiB
Diff
From: Christopher Hill <ch6574@gmail.com>
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Subject: [PATCH] ath79: add Mikrotik rb4xx series drivers
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This adds 3 Mikrotik rb4xx series drivers as follows:
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rb4xx-cpld: This is in the mfd subsystem, and is the parent CPLD device
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that interfaces between the SoC SPI bus and its two children below.
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rb4xx-gpio: This is the GPIO expander.
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rb4xx-nand: This is the NAND driver.
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The history of this code comes in three phases.
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1. The first is a May 2015 attempt to push the equivalient ar71xx rb4xx
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drivers upstream. See https://lore.kernel.org/patchwork/patch/940880/.
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Module-author: Gabor Juhos <juhosg@openwrt.org>
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Module-author: Imre Kaloz <kaloz@openwrt.org>
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Module-author: Bert Vermeulen <bert@biot.com>
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2. Next several ar71xx patches were applied bringing the code current.
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commit 7bbf4117c6fe4b764d9d7c62fb2bcf6dd93bff2c
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Submitted-by: Hauke Mehrtens <hauke@hauke-m.de>
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commit af79fdbe4af32a287798b579141204bda056b8aa
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commit 889272d92db689fd9c910243635e44c9d8323095
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commit e21cb649a235180563363b8af5ba8296b9ac0baa
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commit 7c09fa4a7492ca436f2c94bd9a465b7c5bbeed6f
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Submitted-by: Felix Fietkau <nbd@nbd.name>
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3. Finally a heavy refactor to split the driver into the three new
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subsystems, and updated to work with the device tree configuration, plus
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updates and review feedback incorporated
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Reviewed-by: Thibaut VARÈNE <hacks@slashdirt.org>
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Submitted-by: Christopher Hill <ch6574@gmail.com>
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---
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drivers/mfd/Kconfig | 8 ++++++++
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drivers/mfd/Makefile | 1 +
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drivers/gpio/Kconfig | 6 ++++++
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drivers/gpio/Makefile | 1 +
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drivers/mtd/nand/raw/Kconfig | 7 +++++++
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drivers/mtd/nand/raw/Makefile | 1 +
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6 files changed, 24 insertions(+)
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--- a/drivers/mfd/Kconfig
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+++ b/drivers/mfd/Kconfig
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@@ -2209,6 +2209,14 @@ config RAVE_SP_CORE
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Select this to get support for the Supervisory Processor
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device found on several devices in RAVE line of hardware.
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+config MFD_RB4XX_CPLD
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+ tristate "CPLD driver for Mikrotik RB4xx series boards"
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+ select MFD_CORE
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+ depends on ATH79 || COMPILE_TEST
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+ help
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+ Enables support for the CPLD chip (NAND & GPIO) on Mikrotik
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+ Routerboard RB4xx series.
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+
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config SGI_MFD_IOC3
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bool "SGI IOC3 core driver"
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depends on PCI && MIPS && 64BIT
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--- a/drivers/mfd/Makefile
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+++ b/drivers/mfd/Makefile
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@@ -269,6 +269,7 @@ obj-$(CONFIG_MFD_KHADAS_MCU) += khadas-
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obj-$(CONFIG_MFD_ACER_A500_EC) += acer-ec-a500.o
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obj-$(CONFIG_MFD_QCOM_PM8008) += qcom-pm8008.o
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+obj-$(CONFIG_MFD_RB4XX_CPLD) += rb4xx-cpld.o
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obj-$(CONFIG_SGI_MFD_IOC3) += ioc3.o
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obj-$(CONFIG_MFD_SIMPLE_MFD_I2C) += simple-mfd-i2c.o
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obj-$(CONFIG_MFD_INTEL_M10_BMC) += intel-m10-bmc.o
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--- a/drivers/gpio/Kconfig
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+++ b/drivers/gpio/Kconfig
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@@ -1593,6 +1593,12 @@ config GPIO_SODAVILLE
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help
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Say Y here to support Intel Sodaville GPIO.
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+config GPIO_RB4XX
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+ tristate "GPIO expander for Mikrotik RB4xx series boards"
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+ depends on MFD_RB4XX_CPLD
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+ help
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+ GPIO driver for Mikrotik Routerboard RB4xx series.
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+
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endmenu
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menu "SPI GPIO expanders"
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--- a/drivers/gpio/Makefile
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+++ b/drivers/gpio/Makefile
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@@ -123,6 +123,7 @@ obj-$(CONFIG_GPIO_PL061) += gpio-pl061.
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obj-$(CONFIG_GPIO_PMIC_EIC_SPRD) += gpio-pmic-eic-sprd.o
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obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o
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obj-$(CONFIG_GPIO_RASPBERRYPI_EXP) += gpio-raspberrypi-exp.o
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+obj-$(CONFIG_GPIO_RB4XX) += gpio-rb4xx.o
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obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o
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obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o
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obj-$(CONFIG_GPIO_RDA) += gpio-rda.o
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--- a/drivers/mtd/nand/raw/Kconfig
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+++ b/drivers/mtd/nand/raw/Kconfig
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@@ -565,4 +565,11 @@ config MTD_NAND_AR934X
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Enables support for NAND controller on Qualcomm Atheros SoCs.
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This controller is found on AR934x and QCA955x SoCs.
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+config MTD_NAND_RB4XX
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+ tristate "Support for NAND driver for Mikrotik RB4xx series boards"
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+ depends on MFD_RB4XX_CPLD
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+ help
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+ Enables support for the NAND flash chip on Mikrotik Routerboard
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+ RB4xx series.
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+
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endif # MTD_RAW_NAND
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--- a/drivers/mtd/nand/raw/Makefile
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+++ b/drivers/mtd/nand/raw/Makefile
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@@ -60,6 +60,7 @@ obj-$(CONFIG_MTD_NAND_ROCKCHIP) += rock
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obj-$(CONFIG_MTD_NAND_PL35X) += pl35x-nand-controller.o
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obj-$(CONFIG_MTD_NAND_RENESAS) += renesas-nand-controller.o
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obj-$(CONFIG_MTD_NAND_AR934X) += ar934x_nand.o
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+obj-$(CONFIG_MTD_NAND_RB4XX) += nand_rb4xx.o
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nand-objs := nand_base.o nand_legacy.o nand_bbt.o nand_timings.o nand_ids.o
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nand-objs += nand_onfi.o
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