Re: [PATCH wireless-next v2 11/12] brcmfmac: pcie: Add IDs/properties for BCM4378

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On Thu, Sep 15, 2022 at 05:54:11PM +0100, Russell King (Oracle) wrote:
> On Thu, Sep 15, 2022 at 03:34:59PM +0000, Alvin Šipraga wrote:
> > On Mon, Sep 12, 2022 at 10:53:32AM +0100, Russell King wrote:
> > > From: Hector Martin <marcan@xxxxxxxxx>
> > > 
> > > This chip is present on Apple M1 (t8103) platforms:
> > > 
> > > * atlantisb (apple,j274): Mac mini (M1, 2020)
> > > * honshu    (apple,j293): MacBook Pro (13-inch, M1, 2020)
> > > * shikoku   (apple,j313): MacBook Air (M1, 2020)
> > > * capri     (apple,j456): iMac (24-inch, 4x USB-C, M1, 2020)
> > > * santorini (apple,j457): iMac (24-inch, 2x USB-C, M1, 2020)
> > > 
> > > Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > > Signed-off-by: Hector Martin <marcan@xxxxxxxxx>
> > > Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
> > > ---
> > 
> > Reviewed-by: Alvin Šipraga <alsi@xxxxxxxxxxxxxxx>
> > 
> > >  drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c   | 2 ++
> > >  drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c   | 8 ++++++++
> > >  .../net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h | 2 ++
> > >  3 files changed, 12 insertions(+)
> > > 
> > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
> > > index 23295fceb062..3026166a56c1 100644
> > > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
> > > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
> > > @@ -733,6 +733,8 @@ static u32 brcmf_chip_tcm_rambase(struct brcmf_chip_priv *ci)
> > >  		return 0x160000;
> > >  	case CY_CC_43752_CHIP_ID:
> > >  		return 0x170000;
> > > +	case BRCM_CC_4378_CHIP_ID:
> > > +		return 0x352000;
> > >  	default:
> > >  		brcmf_err("unknown chip: %s\n", ci->pub.name);
> > >  		break;
> > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> > > index 269a516ae654..0c627f33049e 100644
> > > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> > > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> > > @@ -59,6 +59,7 @@ BRCMF_FW_DEF(4365C, "brcmfmac4365c-pcie");
> > >  BRCMF_FW_DEF(4366B, "brcmfmac4366b-pcie");
> > >  BRCMF_FW_DEF(4366C, "brcmfmac4366c-pcie");
> > >  BRCMF_FW_DEF(4371, "brcmfmac4371-pcie");
> > > +BRCMF_FW_CLM_DEF(4378B1, "brcmfmac4378b1-pcie");
> > >  
> > >  /* firmware config files */
> > >  MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-pcie.txt");
> > > @@ -88,6 +89,7 @@ static const struct brcmf_firmware_mapping brcmf_pcie_fwnames[] = {
> > >  	BRCMF_FW_ENTRY(BRCM_CC_43664_CHIP_ID, 0xFFFFFFF0, 4366C),
> > >  	BRCMF_FW_ENTRY(BRCM_CC_43666_CHIP_ID, 0xFFFFFFF0, 4366C),
> > >  	BRCMF_FW_ENTRY(BRCM_CC_4371_CHIP_ID, 0xFFFFFFFF, 4371),
> > > +	BRCMF_FW_ENTRY(BRCM_CC_4378_CHIP_ID, 0xFFFFFFFF, 4378B1), /* 3 */
> > 
> > What is /* 3 */?
> 
> Hector says that it was mentioned in the prior review round as well.
> It's the revision ID. The mask allows all IDs for chips where no
> split has been seen, but if a new one comes up that comment is there
> so we know where to split the mask.

Alright, makes sense. If you happen to re-spin the series then it would
be nice to include this info in the commit message.

Kind regards,
Alvin




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