linux-kernel - [PATCH 2/9] mips: add SYS_HAS_CPU_MIPS64_R5 config for MIPS Release 5 support

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Message-Id: <20211213111642.11317-3-lukas.bulwahn@gmail.com>
Date:   Mon, 13 Dec 2021 12:16:35 +0100
From:   Lukas Bulwahn <lukas.bulwahn@...il.com>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Maciej W . Rozycki" <macro@...am.me.uk>,
        Sander Vanheule <sander@...nheule.net>,
        Bert Vermeulen <bert@...t.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Paul Burton <paulburton@...nel.org>,
        Daniel Silsby <dansilsby@...il.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>
Subject: [PATCH 2/9] mips: add SYS_HAS_CPU_MIPS64_R5 config for MIPS Release 5 support

Commit ab7c01fdc3cf ("mips: Add MIPS Release 5 support") adds the two
configs CPU_MIPS32_R5 and CPU_MIPS64_R5, which depend on the corresponding
SYS_HAS_CPU_MIPS32_R5 and SYS_HAS_CPU_MIPS64_R5, respectively.

The config SYS_HAS_CPU_MIPS32_R5 was already introduced with commit
c5b367835cfc ("MIPS: Add support for XPA."); the config
SYS_HAS_CPU_MIPS64_R5, however, was never introduced.

Hence, ./scripts/checkkconfigsymbols.py warns:

  SYS_HAS_CPU_MIPS64_R5
  Referencing files: arch/mips/Kconfig, arch/mips/include/asm/cpu-type.h

Add the definition for config SYS_HAS_CPU_MIPS64_R5 under the assumption
that SYS_HAS_CPU_MIPS64_R5 follows the same pattern as the existing
SYS_HAS_CPU_MIPS32_R5 and SYS_HAS_CPU_MIPS64_R6.

Fixes: ab7c01fdc3cf ("mips: Add MIPS Release 5 support")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
---
 arch/mips/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c89ce68d9580..878affb643e4 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1905,6 +1905,10 @@ config SYS_HAS_CPU_MIPS64_R1
 config SYS_HAS_CPU_MIPS64_R2
 	bool
 
+config SYS_HAS_CPU_MIPS64_R5
+	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
 config SYS_HAS_CPU_MIPS64_R6
 	bool
 	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
-- 
2.26.2