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authorHauke Mehrtens <hauke@hauke-m.de>2014-01-14 19:36:55 +0100
committerRalf Baechle <ralf@linux-mips.org>2014-01-24 22:39:55 +0100
commit3c06b12b046e426200d016dbdb1e3e81ffb1c185 (patch)
treeaa536fc2dd38c87d26d0276780013d6fc81c97bb /arch/mips
parentaf2418be63b4e994cfe4b625939d65b9afdfdf6c (diff)
downloadop-kernel-dev-3c06b12b046e426200d016dbdb1e3e81ffb1c185.zip
op-kernel-dev-3c06b12b046e426200d016dbdb1e3e81ffb1c185.tar.gz
MIPS: BCM47XX: fix position of cpu_wait disabling
The disabling of cpu_wait was done too early, before the detection was done. This moves the code to a position where it actually works. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/6352/
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/bcm47xx/setup.c34
1 files changed, 25 insertions, 9 deletions
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index 2d6e7cc..12d77e9 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -202,15 +202,6 @@ static void __init bcm47xx_register_bcma(void)
panic("Failed to initialize BCMA bus (err %d)", err);
bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
-
- /* The BCM4706 has a problem with the CPU wait instruction.
- * When r4k_wait or r4k_wait_irqoff is used will just hang and
- * not return from a msleep(). Removing the cpu_wait
- * functionality is a workaround for this problem. The BCM4716
- * does not have this problem.
- */
- if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
- cpu_wait = NULL;
}
#endif
@@ -241,6 +232,31 @@ void __init plat_mem_setup(void)
mips_set_machine_name(bcm47xx_board_get_name());
}
+static int __init bcm47xx_cpu_fixes(void)
+{
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ /* Nothing to do */
+ break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ /* The BCM4706 has a problem with the CPU wait instruction.
+ * When r4k_wait or r4k_wait_irqoff is used will just hang and
+ * not return from a msleep(). Removing the cpu_wait
+ * functionality is a workaround for this problem. The BCM4716
+ * does not have this problem.
+ */
+ if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
+ cpu_wait = NULL;
+ break;
+#endif
+ }
+ return 0;
+}
+arch_initcall(bcm47xx_cpu_fixes);
+
static int __init bcm47xx_register_bus_complete(void)
{
switch (bcm47xx_bus_type) {
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