diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2014-01-14 18:36:55 (GMT) |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-01-24 21:39:55 (GMT) |
| commit | 3c06b12b046e426200d016dbdb1e3e81ffb1c185 (patch) | |
| tree | aa536fc2dd38c87d26d0276780013d6fc81c97bb /arch/mips | |
| parent | af2418be63b4e994cfe4b625939d65b9afdfdf6c (diff) | |
| download | linux-3c06b12b046e426200d016dbdb1e3e81ffb1c185.tar.xz | |
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.c | 34 |
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) { |