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author | Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> | 2021-04-03 19:26:11 -0700 |
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committer | Chuanhong Guo <gch981213@gmail.com> | 2021-04-15 00:00:54 +0800 |
commit | 5f07c579f8c2eeb8056628f7b6a8732bf0f8d492 (patch) | |
tree | 45d92915646e018e78f9c7d8a7c37ed3b91b6f32 /target/linux/ramips/patches-5.10/201-MIPS-ralink-rt288x-select-MIPS_AUTO_PFN_OFFSET.patch | |
parent | f99c9cd9c4d4c49a676d678327546fd41690fe2a (diff) | |
download | upstream-5f07c579f8c2eeb8056628f7b6a8732bf0f8d492.tar.gz upstream-5f07c579f8c2eeb8056628f7b6a8732bf0f8d492.tar.bz2 upstream-5f07c579f8c2eeb8056628f7b6a8732bf0f8d492.zip |
ramips: rt288x: replace hack with a kconfig change
Use an existing kernel config symbol to fix devices whose ramstart is
not zero. See upstream patch message for more details.
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Cc: Tobias Wolf <dev-NTEO@vplace.de>
Cc: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'target/linux/ramips/patches-5.10/201-MIPS-ralink-rt288x-select-MIPS_AUTO_PFN_OFFSET.patch')
-rw-r--r-- | target/linux/ramips/patches-5.10/201-MIPS-ralink-rt288x-select-MIPS_AUTO_PFN_OFFSET.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.10/201-MIPS-ralink-rt288x-select-MIPS_AUTO_PFN_OFFSET.patch b/target/linux/ramips/patches-5.10/201-MIPS-ralink-rt288x-select-MIPS_AUTO_PFN_OFFSET.patch new file mode 100644 index 0000000000..2b6bfd2b7b --- /dev/null +++ b/target/linux/ramips/patches-5.10/201-MIPS-ralink-rt288x-select-MIPS_AUTO_PFN_OFFSET.patch @@ -0,0 +1,32 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> +Date: Sat, 3 Apr 2021 18:51:44 -0700 +Subject: [PATCH] MIPS: ralink: rt288x: select MIPS_AUTO_PFN_OFFSET + +RT288X systems may have a non-zero ramstart causing problems with memory +reservations and boot hangs, as well as messages like: + Wasting 1048576 bytes for tracking 32768 unused pages + +Both are alleviated by selecting MIPS_AUTO_PFN_OFFSET for such +platforms. + +Tested on a Belkin F5D8235 v1 RT2880 device. + +Link: https://lore.kernel.org/linux-mips/20180820233111.xww5232dxbuouf4n@pburton-laptop/ + +Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> +Cc: Mike Rapoport <rppt@kernel.org> +--- + arch/mips/ralink/Kconfig | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -26,6 +26,7 @@ choice + + config SOC_RT288X + bool "RT288x" ++ select MIPS_AUTO_PFN_OFFSET + select MIPS_L1_CACHE_SHIFT_4 + select HAVE_LEGACY_CLK + select HAVE_PCI |