MIPS: ath79: add PCI_AR724X Kconfig symbol

The AR724X specific PCI code can be used for the
AR934X SoCs, however it can be selected only if
SOC_AR724X is set.

Introduce a new Kconfig symbol in order to be able
to use the code for AR934X as well.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Cc: linux-mips@linux-mips.org
Cc: mcgrof@infradead.org
Patchwork: https://patchwork.linux-mips.org/patch/3514/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/ath79/Kconfig

@@ -59,6 +59,7 @@ config SOC_AR724X
 	select USB_ARCH_HAS_EHCI
 	select USB_ARCH_HAS_OHCI
 	select HW_HAS_PCI
+	select PCI_AR724X if PCI
 	def_bool n
 
 config SOC_AR913X
@@ -73,6 +74,9 @@ config SOC_AR934X
 	select USB_ARCH_HAS_EHCI
 	def_bool n
 
+config PCI_AR724X
+	def_bool n
+
 config ATH79_DEV_GPIO_BUTTONS
 	def_bool n
 

arch/mips/include/asm/mach-ath79/pci.h

@@ -19,7 +19,7 @@ int ar71xx_pcibios_init(void);
 static inline int ar71xx_pcibios_init(void) { return 0; }
 #endif
 
-#if defined(CONFIG_PCI) && defined(CONFIG_SOC_AR724X)
+#if defined(CONFIG_PCI_AR724X)
 int ar724x_pcibios_init(int irq);
 #else
 static inline int ar724x_pcibios_init(int irq) { return 0; }

arch/mips/pci/Makefile

@@ -20,7 +20,7 @@ obj-$(CONFIG_BCM63XX)		+= pci-bcm63xx.o fixup-bcm63xx.o \
 					ops-bcm63xx.o
 obj-$(CONFIG_MIPS_ALCHEMY)	+= pci-alchemy.o
 obj-$(CONFIG_SOC_AR71XX)	+= pci-ar71xx.o
-obj-$(CONFIG_SOC_AR724X)	+= pci-ar724x.o
+obj-$(CONFIG_PCI_AR724X)	+= pci-ar724x.o
 
 #
 # These are still pretty much in the old state, watch, go blind.