[MIPS] TXx9: Miscellaneous build fixes

* Fix build if only RBTX4927 or RBTX4938 was selected.
* Move gpio helpers to generic part.
* Select SOC_TX4938 for RBTX4927/37 board.
* Fix parent of rbtx4938_fpga_resource.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 5afc5d5cab03..8caef07701bb 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -94,6 +94,22 @@ void clk_put(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_put);
 
+/* GPIO support */
+
+#ifdef CONFIG_GENERIC_GPIO
+int gpio_to_irq(unsigned gpio)
+{
+        return -EINVAL;
+}
+EXPORT_SYMBOL(gpio_to_irq);
+
+int irq_to_gpio(unsigned irq)
+{
+        return -EINVAL;
+}
+EXPORT_SYMBOL(irq_to_gpio);
+#endif
+
 extern struct txx9_board_vec jmr3927_vec;
 extern struct txx9_board_vec rbtx4927_vec;
 extern struct txx9_board_vec rbtx4937_vec;
@@ -126,15 +142,19 @@ void __init prom_init(void)
 #endif
 #ifdef CONFIG_CPU_TX49XX
         switch (TX4938_REV_PCODE()) {
+#ifdef CONFIG_TOSHIBA_RBTX4927
         case 0x4927:
                 txx9_board_vec = &rbtx4927_vec;
                 break;
         case 0x4937:
                 txx9_board_vec = &rbtx4937_vec;
                 break;
+#endif
+#ifdef CONFIG_TOSHIBA_RBTX4938
         case 0x4938:
                 txx9_board_vec = &rbtx4938_vec;
                 break;
+#endif
         }
 #endif