brcmfmac-binary-pmk.patch

commit e89c8eecc756600ec3dbf1fed73620592eae55af
Author: Hector Martin <[email protected]>
Date:   Mon Dec 20 19:15:58 2021 +0900

    brcmfmac: cfg80211: Pass PMK in binary
    
    Apparently the hex passphrase mechanism does not work on newer firmware.
    (Does this need a feature flag?)
    
    Signed-off-by: Hector Martin <[email protected]>

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index bca788cc37fd..c80b78b7b93c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -1420,11 +1420,12 @@ static int brcmf_set_pmk(struct brcmf_if *ifp, const u8 *pmk_data, u16 pmk_len)
 	struct brcmf_wsec_pmk_le pmk;
 	int i, err;
 
-	/* convert to firmware key format */
-	pmk.key_len = cpu_to_le16(pmk_len << 1);
-	pmk.flags = cpu_to_le16(BRCMF_WSEC_PASSPHRASE);
-	for (i = 0; i < pmk_len; i++)
-		snprintf(&pmk.key[2 * i], 3, "%02x", pmk_data[i]);
+	memset(&pmk, 0, sizeof(pmk));
+
+	/* pass pmk directly */
+	pmk.key_len = cpu_to_le16(pmk_len);
+	pmk.flags = cpu_to_le16(0);
+	memcpy(pmk.key, pmk_data, pmk_len);
 
 	/* store psk in firmware */
 	err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_WSEC_PMK,