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Sun, 07 Mar 2021 11:08:10 -0800 (PST) From: Ilya Lipnitskiy To: Thomas Bogendoerfer , John Crispin Cc: Ilya Lipnitskiy , linux-mediatek@lists.infradead.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] MIPS: ralink: select WEAK_REORDERING_BEYOND_LLSC on MT7621 Date: Sun, 7 Mar 2021 11:08:06 -0800 Message-Id: <20210307190806.5211-1-ilya.lipnitskiy@gmail.com> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210307_190815_787606_123DA7EB X-CRM114-Status: UNSURE ( 7.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Upstream a long-standing OpenWrt patch for RALINK MT7621 SoC. Selecting WEAK_REORDERING_BEYOND_LLSC fixes random kernel hangs. This bug and fix was reported by MediaTek WCN division [0]. [0]: https://lists.infradead.org/pipermail/lede-commits/2017-August/004537.html Signed-off-by: Ilya Lipnitskiy Cc: linux-mediatek@lists.infradead.org Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- arch/mips/ralink/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig index c20c44788b62..31671bbf26ff 100644 --- a/arch/mips/ralink/Kconfig +++ b/arch/mips/ralink/Kconfig @@ -62,6 +62,7 @@ choice select CLKSRC_MIPS_GIC select HAVE_PCI if PCI_MT7621 select SOC_BUS + select WEAK_REORDERING_BEYOND_LLSC endchoice choice