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@xxxxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: Hector Martin <marcan@xxxxxxxxx> --- .../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 ;-) ).
+ }
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