diff options
Diffstat (limited to 'package/kernel/mac80211/patches/349-0003-brcmfmac-insert-default-boardrev-in-nvram-data-if-mi.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/349-0003-brcmfmac-insert-default-boardrev-in-nvram-data-if-mi.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/349-0003-brcmfmac-insert-default-boardrev-in-nvram-data-if-mi.patch b/package/kernel/mac80211/patches/349-0003-brcmfmac-insert-default-boardrev-in-nvram-data-if-mi.patch new file mode 100644 index 0000000000..f293401ca8 --- /dev/null +++ b/package/kernel/mac80211/patches/349-0003-brcmfmac-insert-default-boardrev-in-nvram-data-if-mi.patch @@ -0,0 +1,114 @@ +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) { |