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mac80211: backport brcmfmac workaround for missing boardrev

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@49173 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Rafał Miłecki
2016-04-16 08:47:12 +00:00
parent 050e2360eb
commit a6d6810914
2 changed files with 121 additions and 7 deletions
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114
package/kernel/mac80211/patches/345-brcmfmac-insert-default-boardrev-in-nvram-data-if-mi.patch Normal file
View File

@@ -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) {

14
package/kernel/mac80211/patches/861-brcmfmac-register-wiphy-s-during-module_init.patch
View File

@@ -23,7 +23,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
}
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
@@ -418,6 +418,7 @@ struct brcmf_fw {
@@ -444,6 +444,7 @@ struct brcmf_fw {
u16 bus_nr;
void (*done)(struct device *dev, const struct firmware *fw,
void *nvram_image, u32 nvram_len);
@@ -31,7 +31,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
};
static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx)
@@ -452,6 +453,8 @@ static void brcmf_fw_request_nvram_done(
@@ -478,6 +479,8 @@ static void brcmf_fw_request_nvram_done(
goto fail;
fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length);
@@ -40,7 +40,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
kfree(fwctx);
return;
@@ -459,6 +462,8 @@ fail:
@@ -485,6 +488,8 @@ fail:
brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
release_firmware(fwctx->code);
device_release_driver(fwctx->dev);
@@ -49,7 +49,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
kfree(fwctx);
}
@@ -474,6 +479,8 @@ static void brcmf_fw_request_code_done(c
@@ -500,6 +505,8 @@ static void brcmf_fw_request_code_done(c
/* only requested code so done here */
if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) {
fwctx->done(fwctx->dev, fw, NULL, 0);
@@ -58,7 +58,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
kfree(fwctx);
return;
}
@@ -491,6 +498,8 @@ static void brcmf_fw_request_code_done(c
@@ -517,6 +524,8 @@ static void brcmf_fw_request_code_done(c
fail:
brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
device_release_driver(fwctx->dev);
@@ -67,7 +67,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
kfree(fwctx);
}
@@ -502,6 +511,8 @@ int brcmf_fw_get_firmwares_pcie(struct d
@@ -528,6 +537,8 @@ int brcmf_fw_get_firmwares_pcie(struct d
u16 domain_nr, u16 bus_nr)
{
struct brcmf_fw *fwctx;
@@ -76,7 +76,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev));
if (!fw_cb || !code)
@@ -522,9 +533,17 @@ int brcmf_fw_get_firmwares_pcie(struct d
@@ -548,9 +559,17 @@ int brcmf_fw_get_firmwares_pcie(struct d
fwctx->domain_nr = domain_nr;
fwctx->bus_nr = bus_nr;