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[PATCH V2 7/8] brcmfmac: 4373 save-restore support

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Use sr_eng_en bit to check 4373 sr support.

Reviewed-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@xxxxxxxxxxx>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
index a8d3b96b727f..08d5173d000c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -1365,6 +1365,11 @@ 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 */
+		addr = CORE_CC_REG(base, sr_control0);
+		reg = chip->ops->read32(chip->ctx, addr);
+		return (reg & BIT(0)) != 0;
 	case CY_CC_43012_CHIP_ID:
 		addr = CORE_CC_REG(pmu->base, retention_ctl);
 		reg = chip->ops->read32(chip->ctx, addr);
-- 
2.1.0





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