diff options
Diffstat (limited to 'package/kernel/mac80211/patches/334-v4.18-0001-brcmfmac-add-debugfs-entry-for-reading-firmware-capa.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/334-v4.18-0001-brcmfmac-add-debugfs-entry-for-reading-firmware-capa.patch | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/package/kernel/mac80211/patches/334-v4.18-0001-brcmfmac-add-debugfs-entry-for-reading-firmware-capa.patch b/package/kernel/mac80211/patches/334-v4.18-0001-brcmfmac-add-debugfs-entry-for-reading-firmware-capa.patch deleted file mode 100644 index f350d1e819..0000000000 --- a/package/kernel/mac80211/patches/334-v4.18-0001-brcmfmac-add-debugfs-entry-for-reading-firmware-capa.patch +++ /dev/null @@ -1,75 +0,0 @@ -From 88001968245c42c26416476bf0ef960442371605 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Mon, 14 May 2018 08:48:20 +0200 -Subject: [PATCH] brcmfmac: add debugfs entry for reading firmware capabilities -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This allows reading all capabilities as reported by a firmware. They are -printed using native (raw) names, just like developers like it the most. -It's how firmware reports support for various features, e.g. supported -modes, supported standards, power saving details, max BSS-es. - -Access to all that info is useful for trying new firmwares, comparing -them and debugging features AKA bugs. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - .../wireless/broadcom/brcm80211/brcmfmac/feature.c | 36 ++++++++++++++++++++++ - 1 file changed, 36 insertions(+) - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c -@@ -165,6 +165,41 @@ static void brcmf_feat_firmware_capabili - } - } - -+/** -+ * brcmf_feat_fwcap_debugfs_read() - expose firmware capabilities to debugfs. -+ * -+ * @seq: sequence for debugfs entry. -+ * @data: raw data pointer. -+ */ -+static int brcmf_feat_fwcap_debugfs_read(struct seq_file *seq, void *data) -+{ -+ struct brcmf_bus *bus_if = dev_get_drvdata(seq->private); -+ struct brcmf_if *ifp = brcmf_get_ifp(bus_if->drvr, 0); -+ char caps[MAX_CAPS_BUFFER_SIZE + 1] = { }; -+ char *tmp; -+ int err; -+ -+ err = brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps)); -+ if (err) { -+ brcmf_err("could not get firmware cap (%d)\n", err); -+ return err; -+ } -+ -+ /* Put every capability in a new line */ -+ for (tmp = caps; *tmp; tmp++) { -+ if (*tmp == ' ') -+ *tmp = '\n'; -+ } -+ -+ /* Usually there is a space at the end of capabilities string */ -+ seq_printf(seq, "%s", caps); -+ /* So make sure we don't print two line breaks */ -+ if (tmp > caps && *(tmp - 1) != '\n') -+ seq_printf(seq, "\n"); -+ -+ return 0; -+} -+ - void brcmf_feat_attach(struct brcmf_pub *drvr) - { - struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0); -@@ -233,6 +268,7 @@ void brcmf_feat_attach(struct brcmf_pub - void brcmf_feat_debugfs_create(struct brcmf_pub *drvr) - { - brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read); -+ brcmf_debugfs_add_entry(drvr, "fwcap", brcmf_feat_fwcap_debugfs_read); - } - - bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id) |