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received-spf: None (protection.outlook.com: cypress.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: IosNGMzKCfrZAeCmvBRUfqRFPXG9ZihKVNihY1EFSUWY6NsXwQ0tYU4if4AXa6zJFY9lmE0UgXE6qGdBUQfAo8xCMfWK0fpij6PiElZu+0S10bfLj0ecACIhXMlb1y+BGSKwO5xSOyYpqvj82xen2t0AAVcghHNTLtKtLviX3+lxBGNHWzfk40iUDauJ3jHgEsqQmEP+6Tah/+DsmPEcQRFDcwh1fOa1irawm9st9hLhvhdgbXOwBeO2ZWHCwWL39iJ5BcFIiOR1atFdWzka5ad9n/oa76RsmdMyKF+XW/wAB2HB2hEIkRTq7zm/OcY9v8YmYojYE88RVmC5WVEzTysV4Z/6bxC/r5mQ6z9G8sU= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: cypress.com X-MS-Exchange-CrossTenant-Network-Message-Id: e874d8e8-6883-4d84-877b-08d6439afc6b X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Nov 2018 03:50:26.3077 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 011addfc-2c09-450d-8938-e0bbc2dd2376 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY1PR0601MB1142 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Use sr_eng_en bit to check 4373 sr support. Signed-off-by: Chi-Hsien Lin --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/driv= ers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c index a8d3b96b727f..dfc2af943bff 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c @@ -1332,7 +1332,7 @@ bool brcmf_chip_set_active(struct brcmf_chip *pub, u3= 2 rstvec) =20 bool brcmf_chip_sr_capable(struct brcmf_chip *pub) { - u32 base, addr, reg, pmu_cc3_mask =3D ~0; + u32 base, addr, reg, sr_eng_en, pmu_cc3_mask =3D ~0; struct brcmf_chip_priv *chip; struct brcmf_core *pmu =3D brcmf_chip_get_pmu(pub); =20 @@ -1365,6 +1365,12 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub) addr =3D CORE_CC_REG(base, sr_control1); reg =3D chip->ops->read32(chip->ctx, addr); return reg !=3D 0; + case CY_CC_4373_CHIP_ID: + /* explicitly check SR engine enable bit */ + sr_eng_en =3D BIT(0); + addr =3D CORE_CC_REG(base, sr_control0); + reg =3D chip->ops->read32(chip->ctx, addr); + return (reg & sr_eng_en) !=3D 0; case CY_CC_43012_CHIP_ID: addr =3D CORE_CC_REG(pmu->base, retention_ctl); reg =3D chip->ops->read32(chip->ctx, addr); --=20 2.1.0