Merge tag 'kbuild-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - clean-up leftovers in Kconfig files

 - remove stale oldnoconfig and silentoldconfig targets

 - remove unneeded cc-fullversion and cc-name variables

 - improve merge_config script to allow overriding option prefix

* tag 'kbuild-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: remove cc-name variable
  kbuild: replace cc-name test with CONFIG_CC_IS_CLANG
  merge_config.sh: Allow to define config prefix
  kbuild: remove unused cc-fullversion variable
  kconfig: remove silentoldconfig target
  kconfig: remove oldnoconfig target
  powerpc: PCI_MSI needs PCI
  powerpc: remove CONFIG_MCA leftovers
  powerpc: remove CONFIG_PCI_QSPAN
  scsi: aha152x: rename the PCMCIA define

arch/powerpc/Kconfig

@@ -930,10 +930,6 @@ config FSL_GTM
 	help
 	  Freescale General-purpose Timers support
 
-# Yes MCA RS/6000s exist but Linux-PPC does not currently support any
-config MCA
-	bool
-
 # Platforms that what PCI turned unconditionally just do select PCI
 # in their config node.  Platforms that want to choose at config
 # time should select PPC_PCI_CHOICE
@@ -944,7 +940,6 @@ config PCI
 	bool "PCI support" if PPC_PCI_CHOICE
 	default y if !40x && !CPM2 && !PPC_8xx && !PPC_83xx \
 		&& !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON
-	default PCI_QSPAN if PPC_8xx
 	select GENERIC_PCI_IOMAP
 	help
 	  Find out whether your system includes a PCI bus. PCI is the name of
@@ -958,14 +953,6 @@ config PCI_DOMAINS
 config PCI_SYSCALL
 	def_bool PCI
 
-config PCI_QSPAN
-	bool "QSpan PCI"
-	depends on PPC_8xx
-	select PPC_I8259
-	help
-	  Say Y here if you have a system based on a Motorola 8xx-series
-	  embedded processor with a QSPAN PCI interface, otherwise say N.
-
 config PCI_8260
 	bool
 	depends on PCI && 8260

arch/powerpc/Makefile

@@ -96,7 +96,7 @@ aflags-$(CONFIG_CPU_BIG_ENDIAN)		+= $(call cc-option,-mabi=elfv1)
 aflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -mabi=elfv2
 endif
 
-ifneq ($(cc-name),clang)
+ifndef CONFIG_CC_IS_CLANG
   cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -mno-strict-align
 endif
 
@@ -175,7 +175,7 @@ endif
 # Work around gcc code-gen bugs with -pg / -fno-omit-frame-pointer in gcc <= 4.8
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52828
-ifneq ($(cc-name),clang)
+ifndef CONFIG_CC_IS_CLANG
 CC_FLAGS_FTRACE	+= $(call cc-ifversion, -lt, 0409, -mno-sched-epilog)
 endif
 endif

arch/powerpc/platforms/40x/Kconfig

@@ -29,6 +29,7 @@ config KILAUEA
 	select 405EX
 	select PPC40x_SIMPLE
 	select PPC4xx_PCI_EXPRESS
+	select PCI
 	select PCI_MSI
 	select PPC4xx_MSI
 	help

arch/powerpc/platforms/44x/Kconfig

@@ -21,6 +21,7 @@ config BLUESTONE
 	depends on 44x
 	select PPC44x_SIMPLE
 	select APM821xx
+	select PCI
 	select PCI_MSI
 	select PPC4xx_MSI
 	select PPC4xx_PCI_EXPRESS
@@ -200,6 +201,7 @@ config AKEBONO
 	select SWIOTLB
 	select 476FPE
 	select PPC4xx_PCI_EXPRESS
+	select PCI
 	select PCI_MSI
 	select PPC4xx_HSTA_MSI
 	select I2C