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soc: bcm: brcmstb: add stubs for getting platform IDs

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Some brcmstb drivers may be shared with other SoC families. E.g. the
same USB PHY block is shared by brcmstb and BCM4908.

To avoid building brcmstb common code on non-brcmstb platforms we need
stubs for:
1. brcmstb_get_family_id()
2. brcmstb_get_product_id()
(to avoid "undefined reference to" errors).

With this change PHY_BRCM_USB will not have to unconditionally select
SOC_BRCMSTB anymore.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Rafał Miłecki 2021-01-14 11:53:18 +01:00 committed by Florian Fainelli
parent 8bcac4011e
commit 149ae80b1d
1 changed files with 16 additions and 0 deletions
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16
include/linux/soc/brcmstb/brcmstb.h
View File

@ -2,6 +2,8 @@
#ifndef __BRCMSTB_SOC_H
#define __BRCMSTB_SOC_H
#include <linux/kconfig.h>
static inline u32 BRCM_ID(u32 reg)
{
return reg >> 28 ? reg >> 16 : reg >> 8;
@ -12,6 +14,8 @@ static inline u32 BRCM_REV(u32 reg)
return reg & 0xff;
}
#if IS_ENABLED(CONFIG_SOC_BRCMSTB)
/*
* Helper functions for getting family or product id from the
* SoC driver.
@ -19,4 +23,16 @@ static inline u32 BRCM_REV(u32 reg)
u32 brcmstb_get_family_id(void);
u32 brcmstb_get_product_id(void);
#else
static inline u32 brcmstb_get_family_id(void)
{
return 0;
}
static inline u32 brcmstb_get_product_id(void)
{
return 0;
}
#endif
#endif /* __BRCMSTB_SOC_H */