mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
115 lines
3.8 KiB
Diff
115 lines
3.8 KiB
Diff
From: Hante Meuleman <hante.meuleman@broadcom.com>
|
|
Date: Mon, 11 Apr 2016 11:35:23 +0200
|
|
Subject: [PATCH] brcmfmac: insert default boardrev in nvram data if
|
|
missing
|
|
|
|
Some nvram files/stores come without the boardrev information,
|
|
but firmware requires this to be set. When not found in nvram then
|
|
add a default boardrev string to the nvram data.
|
|
|
|
Reported-by: Rafal Milecki <zajec5@gmail.com>
|
|
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
|
|
Reviewed-by: Franky (Zhenhui) Lin <franky.lin@broadcom.com>
|
|
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
|
|
Signed-off-by: Hante Meuleman <hante.meuleman@broadcom.com>
|
|
Signed-off-by: Arend van Spriel <arend@broadcom.com>
|
|
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
|
|
---
|
|
|
|
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
|
|
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
|
|
@@ -29,6 +29,7 @@
|
|
#define BRCMF_FW_MAX_NVRAM_SIZE 64000
|
|
#define BRCMF_FW_NVRAM_DEVPATH_LEN 19 /* devpath0=pcie/1/4/ */
|
|
#define BRCMF_FW_NVRAM_PCIEDEV_LEN 10 /* pcie/1/4/ + \0 */
|
|
+#define BRCMF_FW_DEFAULT_BOARDREV "boardrev=0xff"
|
|
|
|
enum nvram_parser_state {
|
|
IDLE,
|
|
@@ -51,6 +52,7 @@ enum nvram_parser_state {
|
|
* @entry: start position of key,value entry.
|
|
* @multi_dev_v1: detect pcie multi device v1 (compressed).
|
|
* @multi_dev_v2: detect pcie multi device v2.
|
|
+ * @boardrev_found: nvram contains boardrev information.
|
|
*/
|
|
struct nvram_parser {
|
|
enum nvram_parser_state state;
|
|
@@ -63,6 +65,7 @@ struct nvram_parser {
|
|
u32 entry;
|
|
bool multi_dev_v1;
|
|
bool multi_dev_v2;
|
|
+ bool boardrev_found;
|
|
};
|
|
|
|
/**
|
|
@@ -125,6 +128,8 @@ static enum nvram_parser_state brcmf_nvr
|
|
nvp->multi_dev_v1 = true;
|
|
if (strncmp(&nvp->data[nvp->entry], "pcie/", 5) == 0)
|
|
nvp->multi_dev_v2 = true;
|
|
+ if (strncmp(&nvp->data[nvp->entry], "boardrev", 8) == 0)
|
|
+ nvp->boardrev_found = true;
|
|
} else if (!is_nvram_char(c) || c == ' ') {
|
|
brcmf_dbg(INFO, "warning: ln=%d:col=%d: '=' expected, skip invalid key entry\n",
|
|
nvp->line, nvp->column);
|
|
@@ -284,6 +289,8 @@ static void brcmf_fw_strip_multi_v1(stru
|
|
while (i < nvp->nvram_len) {
|
|
if ((nvp->nvram[i] - '0' == id) && (nvp->nvram[i + 1] == ':')) {
|
|
i += 2;
|
|
+ if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0)
|
|
+ nvp->boardrev_found = true;
|
|
while (nvp->nvram[i] != 0) {
|
|
nvram[j] = nvp->nvram[i];
|
|
i++;
|
|
@@ -335,6 +342,8 @@ static void brcmf_fw_strip_multi_v2(stru
|
|
while (i < nvp->nvram_len - len) {
|
|
if (strncmp(&nvp->nvram[i], prefix, len) == 0) {
|
|
i += len;
|
|
+ if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0)
|
|
+ nvp->boardrev_found = true;
|
|
while (nvp->nvram[i] != 0) {
|
|
nvram[j] = nvp->nvram[i];
|
|
i++;
|
|
@@ -356,6 +365,18 @@ fail:
|
|
nvp->nvram_len = 0;
|
|
}
|
|
|
|
+static void brcmf_fw_add_defaults(struct nvram_parser *nvp)
|
|
+{
|
|
+ if (nvp->boardrev_found)
|
|
+ return;
|
|
+
|
|
+ memcpy(&nvp->nvram[nvp->nvram_len], &BRCMF_FW_DEFAULT_BOARDREV,
|
|
+ strlen(BRCMF_FW_DEFAULT_BOARDREV));
|
|
+ nvp->nvram_len += strlen(BRCMF_FW_DEFAULT_BOARDREV);
|
|
+ nvp->nvram[nvp->nvram_len] = '\0';
|
|
+ nvp->nvram_len++;
|
|
+}
|
|
+
|
|
/* brcmf_nvram_strip :Takes a buffer of "<var>=<value>\n" lines read from a fil
|
|
* and ending in a NUL. Removes carriage returns, empty lines, comment lines,
|
|
* and converts newlines to NULs. Shortens buffer as needed and pads with NULs.
|
|
@@ -377,16 +398,21 @@ static void *brcmf_fw_nvram_strip(const
|
|
if (nvp.state == END)
|
|
break;
|
|
}
|
|
- if (nvp.multi_dev_v1)
|
|
+ if (nvp.multi_dev_v1) {
|
|
+ nvp.boardrev_found = false;
|
|
brcmf_fw_strip_multi_v1(&nvp, domain_nr, bus_nr);
|
|
- else if (nvp.multi_dev_v2)
|
|
+ } else if (nvp.multi_dev_v2) {
|
|
+ nvp.boardrev_found = false;
|
|
brcmf_fw_strip_multi_v2(&nvp, domain_nr, bus_nr);
|
|
+ }
|
|
|
|
if (nvp.nvram_len == 0) {
|
|
kfree(nvp.nvram);
|
|
return NULL;
|
|
}
|
|
|
|
+ brcmf_fw_add_defaults(&nvp);
|
|
+
|
|
pad = nvp.nvram_len;
|
|
*new_length = roundup(nvp.nvram_len + 1, 4);
|
|
while (pad != *new_length) {
|