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kernel: Remove nvmem hack patch from 5.4

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The nvmem framework is now used in net/ethernet/eth.c and the nvmem
sysfs is split into a separate Kconfig option. More work would be needed
to adapt this patch for the broader use. The current patch compiles fine
on ath79, but it breaks the x86 target.

nvmem is also compiled into the kernel for most of our targets for
example ath79 anyway, so patching the kernel to remove it is now harder
and not the case on multiple targets anyway. Instead of making this work
on kernel 5.4 just remove this hack patch.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2020-02-23 16:46:01 +01:00 committed by Koen Vandeputte
parent f1ff9410f6
commit 34fcdcd7c2
2 changed files with 3 additions and 36 deletions
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5
package/kernel/linux/modules/other.mk
View File

@ -139,6 +139,7 @@ $(eval $(call KernelPackage,dma-buf))
define KernelPackage/nvmem
SUBMENU:=$(OTHER_MENU)
TITLE:=Non Volatile Memory support
DEPENDS:=@!LINUX_5_4
KCONFIG:=CONFIG_NVMEM
HIDDEN:=1
FILES:=$(LINUX_DIR)/drivers/nvmem/nvmem_core.ko
@ -169,7 +170,7 @@ define KernelPackage/eeprom-at24
SUBMENU:=$(OTHER_MENU)
TITLE:=EEPROM AT24 support
KCONFIG:=CONFIG_EEPROM_AT24
DEPENDS:=+kmod-i2c-core +kmod-nvmem +!LINUX_4_14:kmod-regmap-i2c
DEPENDS:=+kmod-i2c-core +!LINUX_5_4:kmod-nvmem +!LINUX_4_14:kmod-regmap-i2c
FILES:=$(LINUX_DIR)/drivers/misc/eeprom/at24.ko
AUTOLOAD:=$(call AutoProbe,at24)
endef
@ -185,7 +186,7 @@ define KernelPackage/eeprom-at25
SUBMENU:=$(OTHER_MENU)
TITLE:=EEPROM AT25 support
KCONFIG:=CONFIG_EEPROM_AT25
DEPENDS:=+kmod-nvmem
DEPENDS:=+!LINUX_5_4:kmod-nvmem
FILES:=$(LINUX_DIR)/drivers/misc/eeprom/at25.ko
AUTOLOAD:=$(call AutoProbe,at25)
endef

34
target/linux/generic/hack-5.4/290-nvmem-make-CONFIG_NVMEM-tristate-again.patch
View File

@ -1,34 +0,0 @@
From 2579d9b982c7232f9354bcca5262e26a84c38799 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 2 Nov 2018 17:40:32 +0100
Subject: [PATCH] nvmem: make CONFIG_NVMEM tristate again
Only build it in when OF_NET is selected and make it possible to build
it as module otherwise.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/nvmem/Kconfig | 2 +-
drivers/of/Kconfig | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/nvmem/Kconfig
+++ b/drivers/nvmem/Kconfig
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
menuconfig NVMEM
- bool "NVMEM Support"
+ tristate "NVMEM Support"
help
Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -72,6 +72,7 @@ config OF_IRQ
config OF_NET
depends on NETDEVICES
+ select NVMEM
def_bool y
config OF_MDIO