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From:   Matt Redfearn <matt.redfearn@mips.com>
To:     Palmer Dabbelt <palmer@sifive.com>,
        Antony Pavlov <antonynpavlov@gmail.com>,
        James Hogan <jhogan@kernel.org>,
        Ralf Baechle <ralf@linux-mips.org>
CC:     <linux-mips@linux-mips.org>,
        Matt Redfearn <matt.redfearn@mips.com>,
        <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Philippe Ombredanne <pombredanne@nexb.com>,
        Paul Burton <paul.burton@mips.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Al Viro" <viro@zeniv.linux.org.uk>
Subject: [PATCH v4 3/3] MIPS: use generic GCC library routines from lib/
Date:   Thu, 29 Mar 2018 11:41:23 +0100
Message-ID: <1522320083-27818-3-git-send-email-matt.redfearn@mips.com>
In-Reply-To: <1522320083-27818-1-git-send-email-matt.redfearn@mips.com>
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From: Antony Pavlov <antonynpavlov@gmail.com>

The commit b35cd9884fa5 ("lib: Add shared copies of some GCC library
routines") makes it possible to share generic GCC library routines by
several architectures.

This commit removes several generic GCC library routines from
arch/mips/lib/ in favour of similar routines from lib/.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
[Matt Redfearn] Use GENERIC_LIB_* named Kconfig entries
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Matt Redfearn <matt.redfearn@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org

---

Changes in v4:
  Rework to use the new GENERIC_LIB_ Kconfig entries

Changes in v3:
  Maintain alphabetical order of MIPS Kconfig

Changes in v2: None

 arch/mips/Kconfig      | 5 +++++
 arch/mips/lib/Makefile | 3 +--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8128c3b68d6b..98955a76c656 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -22,6 +22,11 @@ config MIPS
 	select GENERIC_CPU_AUTOPROBE
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
+	select GENERIC_LIB_ASHLDI3
+	select GENERIC_LIB_ASHRDI3
+	select GENERIC_LIB_CMPDI2
+	select GENERIC_LIB_LSHRDI3
+	select GENERIC_LIB_UCMPDI2
 	select GENERIC_PCI_IOMAP
 	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 	select GENERIC_SMP_IDLE_THREAD
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index e84e12655fa8..6537e022ef62 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -16,5 +16,4 @@ obj-$(CONFIG_CPU_R3000)		+= r3k_dump_tlb.o
 obj-$(CONFIG_CPU_TX39XX)	+= r3k_dump_tlb.o
 
 # libgcc-style stuff needed in the kernel
-obj-y += ashldi3.o ashrdi3.o bswapsi.o bswapdi.o cmpdi2.o lshrdi3.o multi3.o \
-	 ucmpdi2.o
+obj-y += bswapsi.o bswapdi.o multi3.o
-- 
2.7.4