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soc: brcmstb: biuctrl: Move to early_initcall

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Being called during early_initcall() is early enough that it occurs
before SMP initialization, which is all we care about for the Bus
Interface Unit configuration.

This solves lack of BIU initialization on ARM64 platforms where we do
not have an anchor where to put the BIU initialization (since there are
no machine descriptors).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Florian Fainelli 2017-04-11 17:26:11 -07:00
parent 5d4567ec3b
commit f780429adf
3 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-bcm/brcmstb.c
View File

@ -14,7 +14,6 @@
#include <linux/init.h>
#include <linux/irqchip.h>
#include <linux/of_platform.h>
#include <linux/soc/brcmstb/brcmstb.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -38,7 +37,6 @@ u32 brcmstb_uart_config[3] = {
static void __init brcmstb_init_irq(void)
{
irqchip_init();
brcmstb_biuctrl_init();
}
static const char *const brcmstb_match[] __initconst = {

6
drivers/soc/bcm/brcmstb/biuctrl.c
View File

@ -240,7 +240,7 @@ static struct syscore_ops brcmstb_cpu_credit_syscore_ops = {
#endif
void __init brcmstb_biuctrl_init(void)
static int __init brcmstb_biuctrl_init(void)
{
int ret;
@ -249,11 +249,13 @@ void __init brcmstb_biuctrl_init(void)
ret = mcp_write_pairing_set();
if (ret) {
pr_err("MCP: Unable to disable write pairing!\n");
return;
return ret;
}
mcp_b53_set();
#ifdef CONFIG_PM_SLEEP
register_syscore_ops(&brcmstb_cpu_credit_syscore_ops);
#endif
return 0;
}
early_initcall(brcmstb_biuctrl_init);

6
include/linux/soc/brcmstb/brcmstb.h
View File

@ -12,12 +12,6 @@ static inline u32 BRCM_REV(u32 reg)
return reg & 0xff;
}
/*
* Bus Interface Unit control register setup, must happen early during boot,
* before SMP is brought up, called by machine entry point.
*/
void brcmstb_biuctrl_init(void);
/*
* Helper functions for getting family or product id from the
* SoC driver.