diff options
| author | Chi-Hsien Lin <chi-hsien.lin@cypress.com> | 2018-06-12 04:41:43 -0500 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:34:12 +0800 |
| commit | 2611284625850ab2e77728c7a275adea9529bae0 (patch) | |
| tree | c7c4a5c6e67fa2e76b6a913e55cd5a2ce09c7169 /drivers/net/wireless/broadcom/brcm80211/brcmfmac | |
| parent | b04e89876bda5965c27434e1505be6e7c202a722 (diff) | |
MLK-19517-17 brcmfmac: 4373 save-restore support
Use sr_eng_en bit to check 4373 sr support.
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c index 01c6a4923aa1..ba1d279497ea 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c @@ -1329,7 +1329,7 @@ bool brcmf_chip_set_active(struct brcmf_chip *pub, u32 rstvec) bool brcmf_chip_sr_capable(struct brcmf_chip *pub) { - u32 base, addr, reg, pmu_cc3_mask = ~0; + u32 base, addr, reg, sr_eng_en, pmu_cc3_mask = ~0; struct brcmf_chip_priv *chip; struct brcmf_core *pmu = brcmf_chip_get_pmu(pub); @@ -1362,6 +1362,12 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub) addr = CORE_CC_REG(base, sr_control1); reg = chip->ops->read32(chip->ctx, addr); return reg != 0; + case CY_CC_4373_CHIP_ID: + /* explicitly check SR engine enable bit */ + sr_eng_en = BIT(0); + addr = CORE_CC_REG(base, sr_control0); + reg = chip->ops->read32(chip->ctx, addr); + return (reg & sr_eng_en) != 0; case CY_CC_43012_CHIP_ID: addr = CORE_CC_REG(pmu->base, retention_ctl); reg = chip->ops->read32(chip->ctx, addr); |