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__do_IRQ() going away

To: linux-mips@linux-mips.org
Subject: __do_IRQ() going away
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 11 Mar 2009 12:28:06 +0100
Cc: Thomas Gleixner <tglx@linutronix.de>
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.18 (2008-05-17)
__do_IRQ() is deprecated since a long time and there are plans to remove
it for 2.6.30.  The MIPS platforms seem to fall into three classes:

 o Platforms setting CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ to explicitly disable
   __do_IRQ():
        capcella_defconfig, cobalt_defconfig, e55_defconfig,
        fulong_defconfig, ip27_defconfig, jazz_defconfig, jmr3927_defconfig,
        lasat_defconfig, mpc30x_defconfig, pnx8335-stb225_defconfig,
        pnx8550-jbs_defconfig, pnx8550-stb810_defconfig, rb532_defconfig,
        rbtx49xx_defconfig, tb0219_defconfig, tb0226_defconfig,
        tb0287_defconfig and workpad_defconfig.

 o Platforms that don't set CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ but don't
   seem to use __do_IRQ():

        bcm47xx_defconfig, cavium-octeon_defconfig, excite_defconfig,
        ip22_defconfig, ip28_defconfig, msp71xx_defconfig, wrppmc_defconfig,

 o Platforms that still seem to rely on __do_IRQ():
     o All Sibyte platforms:
        bigsur_defconfig and sb1250-swarm_defconfig

     o All Alchemy platforms:
        db1000_defconfig, db1100_defconfig, db1200_defconfig, db1500_defconfig,
        db1550_defconfig, mtx1_defconfig, pb1100_defconfig, pb1500_defconfig
        and pb1550_defconfig

     o malta_defconfig.  The platform code itself is ok but irq-gic.c,
        irq-msc01.c, irq-msc01.c and irq_cpu.c are still using set_irq_chip
        and need fixing.

     o And the rest:
        decstation_defconfig, emma2rh_defconfig, ip32_defconfig,
        yosemite_defconfig, mipssim_defconfig and rm200_defconfig.

For now I've checked in the following patch into linux-queue.

  Ralf

MIPS: Enable GENERIC_HARDIRQS_NO__DO_IRQ for all platforms

__do_IRQ() is deprecated and will go away.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

 arch/mips/Kconfig |   12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -77,7 +77,6 @@ config MIPS_COBALT
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
-       select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config MACH_DECSTATION
        bool "DECstations"
@@ -132,7 +131,6 @@ config MACH_JAZZ
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
        select SYS_SUPPORTS_100HZ
-       select GENERIC_HARDIRQS_NO__DO_IRQ
        help
         This a family of machines based on the MIPS R4030 chipset which was
         used by several vendors to build RISC/os and Windows NT workstations.
@@ -154,7 +152,6 @@ config LASAT
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
        select SYS_SUPPORTS_LITTLE_ENDIAN
-       select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config LEMOTE_FULONG
        bool "Lemote Fulong mini-PC"
@@ -175,7 +172,6 @@ config LEMOTE_FULONG
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
        select SYS_HAS_EARLY_PRINTK
-       select GENERIC_HARDIRQS_NO__DO_IRQ
        select GENERIC_ISA_DMA_SUPPORT_BROKEN
        select CPU_HAS_WB
        help
@@ -246,7 +242,6 @@ config MACH_VR41XX
        select CEVT_R4K
        select CSRC_R4K
        select SYS_HAS_CPU_VR41XX
-       select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config NXP_STB220
        bool "NXP STB220 board"
@@ -360,7 +355,6 @@ config SGI_IP27
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_NUMA
        select SYS_SUPPORTS_SMP
-       select GENERIC_HARDIRQS_NO__DO_IRQ
        help
          This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
          workstations.  To compile a Linux kernel that runs on these, say Y
@@ -559,7 +553,6 @@ config MIKROTIK_RB532
        select CEVT_R4K
        select CSRC_R4K
        select DMA_NONCOHERENT
-       select GENERIC_HARDIRQS_NO__DO_IRQ
        select HW_HAS_PCI
        select IRQ_CPU
        select SYS_HAS_CPU_MIPS32_R1
@@ -697,8 +690,7 @@ config SCHED_OMIT_FRAME_POINTER
        default y
 
 config GENERIC_HARDIRQS_NO__DO_IRQ
-       bool
-       default n
+       def_bool y
 
 #
 # Select some configuration options automatically based on user selections.
@@ -905,7 +897,6 @@ config SOC_PNX833X
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_BIG_ENDIAN
-       select GENERIC_HARDIRQS_NO__DO_IRQ
        select GENERIC_GPIO
        select CPU_MIPSR2_IRQ_VI
 
@@ -924,7 +915,6 @@ config SOC_PNX8550
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_HAS_EARLY_PRINTK
        select SYS_SUPPORTS_32BIT_KERNEL
-       select GENERIC_HARDIRQS_NO__DO_IRQ
        select GENERIC_GPIO
 
 config SWAP_IO_SPACE

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