Messages in this thread | | | Date | Thu, 6 Jan 2022 13:16:41 +0100 | Subject | Re: [PATCH v2 06/35] brcmfmac: firmware: Support passing in multiple board_types | From | Arend van Spriel <> |
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On 1/4/2022 8:26 AM, Hector Martin wrote: > In order to make use of the multiple alt_path functionality, change > board_type to an array. Bus drivers can pass in a NULL-terminated list > of board type strings to try for the firmware fetch.
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> > Acked-by: Linus Walleij <linus.walleij@linaro.org> > Signed-off-by: Hector Martin <marcan@marcan.st> > --- > .../broadcom/brcm80211/brcmfmac/firmware.c | 35 ++++++++++++------- > .../broadcom/brcm80211/brcmfmac/firmware.h | 2 +- > .../broadcom/brcm80211/brcmfmac/pcie.c | 4 ++- > .../broadcom/brcm80211/brcmfmac/sdio.c | 2 +- > 4 files changed, 27 insertions(+), 16 deletions(-) > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c > index 7570dbf22cdd..054ea3ed133e 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c > @@ -594,28 +594,39 @@ static int brcmf_fw_complete_request(const struct firmware *fw, > return (cur->flags & BRCMF_FW_REQF_OPTIONAL) ? 0 : ret; > } > > -static int brcm_alt_fw_paths(const char *path, const char *board_type, > +static int brcm_alt_fw_paths(const char *path, struct brcmf_fw *fwctx, > const char *alt_paths[BRCMF_FW_MAX_ALT_PATHS]) > { > + const char **board_types = fwctx->req->board_types; > + unsigned int i; > char alt_path[BRCMF_FW_NAME_LEN]; > const char *suffix;
[...]
> + for (i = 0; i < BRCMF_FW_MAX_ALT_PATHS; i++) { > + if (!board_types[i]) > + break; > > - strlcat(alt_path, ".", BRCMF_FW_NAME_LEN); > - strlcat(alt_path, board_type, BRCMF_FW_NAME_LEN); > - strlcat(alt_path, suffix, BRCMF_FW_NAME_LEN); > + /* strip extension at the end */ > + strscpy(alt_path, path, BRCMF_FW_NAME_LEN); > + alt_path[suffix - path] = 0; > > - alt_paths[0] = kstrdup(alt_path, GFP_KERNEL); > + strlcat(alt_path, ".", BRCMF_FW_NAME_LEN); > + strlcat(alt_path, board_types[i], BRCMF_FW_NAME_LEN); > + strlcat(alt_path, suffix, BRCMF_FW_NAME_LEN); > + > + alt_paths[i] = kstrdup(alt_path, GFP_KERNEL); > + brcmf_dbg(TRACE, "FW alt path: %s\n", alt_paths[i]);
Could use alt_path in the debug print thus avoiding additional array access (working hard to find those nits to pick ;-) ).
> + } [unhandled content-type:application/pkcs7-signature] | |