81 lines
2.2 KiB
Diff
81 lines
2.2 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
|
|
Date: Mon, 8 Jun 2015 16:59:31 +0200
|
|
Subject: [PATCH] brcmfmac: use bcm47xx platform NVRAM as fallback
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
|
|
---
|
|
|
|
--- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
|
|
+++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
|
|
@@ -19,6 +19,9 @@
|
|
#include <linux/device.h>
|
|
#include <linux/firmware.h>
|
|
#include <linux/module.h>
|
|
+#if IS_ENABLED(CONFIG_BCM47XX_NVRAM)
|
|
+#include <linux/bcm47xx_nvram.h>
|
|
+#endif
|
|
|
|
#include "debug.h"
|
|
#include "firmware.h"
|
|
@@ -424,17 +427,42 @@ struct brcmf_fw {
|
|
static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx)
|
|
{
|
|
struct brcmf_fw *fwctx = ctx;
|
|
+#if IS_ENABLED(CONFIG_BCM47XX_NVRAM)
|
|
+ const u8 *bcm47xx_nvram = NULL;
|
|
+ size_t bcm47xx_nvram_len;
|
|
+#endif
|
|
+ const u8 *data = NULL;
|
|
+ size_t data_len;
|
|
u32 nvram_length = 0;
|
|
void *nvram = NULL;
|
|
|
|
brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev));
|
|
- if (!fw && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
|
|
+ if (fw) {
|
|
+ data = fw->data;
|
|
+ data_len = fw->size;
|
|
+ }
|
|
+#if IS_ENABLED(CONFIG_BCM47XX_NVRAM)
|
|
+ else {
|
|
+ bcm47xx_nvram = bcm47xx_nvram_get_contents(&bcm47xx_nvram_len);
|
|
+ if (bcm47xx_nvram) {
|
|
+ data = bcm47xx_nvram;
|
|
+ data_len = bcm47xx_nvram_len;
|
|
+ brcmf_err("Found platform NVRAM (%zu B)\n", data_len);
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+ if (!data && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
|
|
goto fail;
|
|
|
|
- if (fw) {
|
|
- nvram = brcmf_fw_nvram_strip(fw->data, fw->size, &nvram_length,
|
|
+ if (data) {
|
|
+ nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length,
|
|
fwctx->domain_nr, fwctx->bus_nr);
|
|
- release_firmware(fw);
|
|
+ if (fw)
|
|
+ release_firmware(fw);
|
|
+#if IS_ENABLED(CONFIG_BCM47XX_NVRAM)
|
|
+ if (bcm47xx_nvram)
|
|
+ bcm47xx_nvram_release_contents(bcm47xx_nvram);
|
|
+#endif
|
|
if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
|
|
goto fail;
|
|
}
|
|
--- a/drivers/net/wireless/brcm80211/brcmfmac/debug.h
|
|
+++ b/drivers/net/wireless/brcm80211/brcmfmac/debug.h
|
|
@@ -17,6 +17,8 @@
|
|
#ifndef BRCMFMAC_DEBUG_H
|
|
#define BRCMFMAC_DEBUG_H
|
|
|
|
+#include <linux/net.h>
|
|
+
|
|
/* message levels */
|
|
#define BRCMF_TRACE_VAL 0x00000002
|
|
#define BRCMF_INFO_VAL 0x00000004
|