linux-kernel - [PATCH 4.19 31/49] MIPS: SNI: Fix MIPS_L1_CACHE

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Date:   Mon, 21 Sep 2020 18:28:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 31/49] MIPS: SNI: Fix MIPS_L1_CACHE_SHIFT

From: Thomas Bogendoerfer <tsbogend@...ha.franken.de>

[ Upstream commit 564c836fd945a94b5dd46597d6b7adb464092650 ]

Commit 930beb5ac09a ("MIPS: introduce MIPS_L1_CACHE_SHIFT_<N>") forgot
to select the correct MIPS_L1_CACHE_SHIFT for SNI RM. This breaks non
coherent DMA because of a wrong allocation alignment.

Fixes: 930beb5ac09a ("MIPS: introduce MIPS_L1_CACHE_SHIFT_<N>")
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/mips/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a830a9701e501..cc8c8d22afaf5 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -852,6 +852,7 @@ config SNI_RM
 	select I8253
 	select I8259
 	select ISA
+	select MIPS_L1_CACHE_SHIFT_6
 	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
 	select SYS_HAS_CPU_R4X00
 	select SYS_HAS_CPU_R5000
-- 
2.25.1