On 21.09.2022 06:37, Hector Martin wrote: > On 21/09/2022 09.16, Konrad Dybcio wrote: >> Add support for BCM43596 dual-band AC chip, found in >> SONY Xperia X Performance, XZ and XZs smartphones (and >> *possibly* other devices from other manufacturers). >> The chip doesn't require any special handling and seems to work >> just fine OOTB. >> >> PCIe IDs taken from: https://github.com/sonyxperiadev/kernel/commit/9e43fefbac8e43c3d7792e73ca52a052dd86d7e3.patch >> >> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx> >> --- >> Changes since v1: >> - rebased the patch against -next >> >> drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 2 ++ >> drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 4 ++++ >> drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h | 4 ++++ >> 3 files changed, 10 insertions(+) >> > [...] >> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c >> index f98641bb1528..2e7fc66adf31 100644 >> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c >> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c >> @@ -81,6 +81,7 @@ static const struct brcmf_firmware_mapping brcmf_pcie_fwnames[] = { >> BRCMF_FW_ENTRY(BRCM_CC_43570_CHIP_ID, 0xFFFFFFFF, 43570), >> BRCMF_FW_ENTRY(BRCM_CC_4358_CHIP_ID, 0xFFFFFFFF, 4358), >> BRCMF_FW_ENTRY(BRCM_CC_4359_CHIP_ID, 0xFFFFFFFF, 4359), >> + BRCMF_FW_ENTRY(BRCM_CC_43596_CHIP_ID, 0xFFFFFFFF, 4359), > > So this works with the same firmware as 4359? That sounds a bit off. Is > that really the case? > > brcmfmac4359-pcie isn't in linux-firmware, but presumably there is > *some* semi-canonical firmware you can find for that chip that other > people are already using. If that works on 43596 *and* you plan on using > that firmware or some other firmware marked 4359, then this is fine. If > you are using separate firmware that shipped with a 43596 device and > isn't itself marked 4359, please make it a separate firmware entry. We > can always symlink the firmwares if it later turns out there is no > reason to have different ones for each chip. The firmware that SONY originally gave us for the devices that we know use this chip seems to be marked 4359 [1]. That said, I have no other info about the relation between the two models. [1] https://github.com/sonyxperiadev/device-sony-kagura/tree/q-mr1/rootdir/vendor/firmware Konrad > > - Hector