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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/
This commit is contained in:
Hauke Mehrtens 2014-01-14 19:36:55 +01:00 committed by Ralf Baechle
parent af2418be63
commit 3c06b12b04
1 changed files with 25 additions and 9 deletions
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34
arch/mips/bcm47xx/setup.c
View File

@ -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) {