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[80.56.215.227]) by smtp.gmail.com with ESMTPSA id h19-20020a05620a245300b006f9e103260dsm24039232qkn.91.2023.01.04.05.29.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Jan 2023 05:29:50 -0800 (PST) Message-ID: <6517b791-1700-970d-ac0a-847f60a6fa6f@broadcom.com> Date: Wed, 4 Jan 2023 14:29:44 +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 1/4] wifi: brcmfmac: Rename Cypress 89459 to 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> <20230104100116.729-2-marcan@marcan.st> From: Arend van Spriel In-Reply-To: <20230104100116.729-2-marcan@marcan.st> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000de781105f1702db2" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --000000000000de781105f1702db2 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: > The commit that introduced support for this chip incorrectly claimed it > is a Cypress-specific part, while in actuality it is just a variant of > BCM4355 silicon (as evidenced by the chip ID). > > The relationship between Cypress products and Broadcom products isn't > entirely clear, but given what little information is available and prior > art in the driver, it seems the convention should be that originally > Broadcom parts should retain the Broadcom name. > > Thus, rename the relevant constants and firmware file. Also rename the > specific 89459 PCIe ID to BCM43596, which seems to be the original > subvariant name for this PCI ID (as defined in the out-of-tree bcmdhd > driver). Also declare the firmware as CLM-capable, since it is. > > Fixes: dce45ded7619 ("brcmfmac: Support 89459 pcie") > Signed-off-by: Hector Martin > --- > drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 5 ++--- > drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 8 ++++---- > .../net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h | 6 +++--- > 3 files changed, 9 insertions(+), 10 deletions(-) > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c > index 121893bbaa1d..3e42c2bd0d9a 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c [...] > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > index ae57a9a3ab05..3264be485e20 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c [...] > @@ -2590,6 +2590,7 @@ static const struct pci_device_id brcmf_pcie_devid_table[] = { > BRCMF_PCIE_DEVICE(BRCM_PCIE_4350_DEVICE_ID, WCC), > BRCMF_PCIE_DEVICE_SUB(0x4355, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4355, WCC), > BRCMF_PCIE_DEVICE(BRCM_PCIE_4354_RAW_DEVICE_ID, WCC), > + BRCMF_PCIE_DEVICE(BRCM_PCIE_4355_RAW_DEVICE_ID, WCC), A bit of a problem here. If Cypress want to support this device, regardless how they branded it, they will provide its firmware. Given that they initially added it (as 89459) I suppose we should mark it with CYW and not WCC. Actually, see my comment below on RAW dev ids. > BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID, WCC), > BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID, WCC), > BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID, WCC), [...] > diff --git a/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h b/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h > index f4939cf62767..cacc43db86eb 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h > +++ b/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h [...] > @@ -72,6 +72,7 @@ > #define BRCM_PCIE_4350_DEVICE_ID 0x43a3 > #define BRCM_PCIE_4354_DEVICE_ID 0x43df > #define BRCM_PCIE_4354_RAW_DEVICE_ID 0x4354 > +#define BRCM_PCIE_4355_RAW_DEVICE_ID 0x4355 I would remove all RAW device ids. 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