brcmfmac: access PMU registers using standalone PMU core if available

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On recent Broadcom chipsets PMU is present as separated core and it
can't be accessed using ChipCommon anymore as it fails with e.g.:
[   18.198412] Unhandled fault: imprecise external abort (0x1406) at 0xb6da200f

Add a new helper function that will return a proper core that should be
used for accessing PMU registers.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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This commit is contained in:

Rafał Miłecki 2016-01-26 17:57:04 +01:00 • committed by Kalle Valo

parent 9befe9195a

commit e2b397f18c

3 changed files with 30 additions and 10 deletions

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30

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c

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1

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h

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9

drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c

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