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[80.56.215.227]) by smtp.gmail.com with ESMTPSA id bj4-20020a05620a190400b006fa2cc1b0fbsm21403927qkb.11.2023.01.04.05.35.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Jan 2023 05:35:23 -0800 (PST) Message-ID: Date: Wed, 4 Jan 2023 14:35:17 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH v1 2/4] brcmfmac: pcie: Add IDs/properties for BCM4355 To: Hector Martin , Arend van Spriel , Franky Lin , Hante Meuleman , Kalle Valo , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Alexander Prutskov , Chi-Hsien Lin , Wright Feng , Ian Lin , Soontak Lee , Joseph chuang , Sven Peter , Alyssa Rosenzweig , asahi@lists.linux.dev, linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230104100116.729-1-marcan@marcan.st> <20230104100116.729-3-marcan@marcan.st> From: Arend van Spriel In-Reply-To: <20230104100116.729-3-marcan@marcan.st> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000b3ac4e05f17041d5" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --000000000000b3ac4e05f17041d5 Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/4/2023 11:01 AM, 'Hector Martin' via BRCM80211-DEV-LIST,PDL wrote: > This chip is present on at least these Apple T2 Macs: > > * hawaii: MacBook Air 13" (Late 2018) > * hawaii: MacBook Air 13" (True Tone, 2019) > > Users report seeing PCI revision ID 12 for this chip, which Arend > reports should be revision C2, but Apple has the firmware tagged as > revision C1. Assume the right cutoff point for firmware versions is > revision ID 11 then, and leave older revisions using the non-versioned > firmware filename (Apple only uses C1 firmware builds). Reviewed-by: Arend van Spriel > Signed-off-by: Hector Martin > --- > .../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 10 +++++++++- > .../wireless/broadcom/brcm80211/include/brcm_hw_ids.h | 1 + > 2 files changed, 10 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > index 3264be485e20..bb4faea0f0b6 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c [...] > @@ -1994,6 +1996,11 @@ static int brcmf_pcie_read_otp(struct brcmf_pciedev_info *devinfo) > int ret; > > switch (devinfo->ci->chip) { > + case BRCM_CC_4355_CHIP_ID: > + coreid = BCMA_CORE_CHIPCOMMON; > + base = 0x8c0; > + words = 0xb2; > + break; > case BRCM_CC_4378_CHIP_ID: > coreid = BCMA_CORE_GCI; > base = 0x1120; This bit is not described in the commit message. Can you remind me why the driver needs to read OTP? --000000000000b3ac4e05f17041d5 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdwYJKoZIhvcNAQcCoIIQaDCCEGQCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3OMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 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