mac80211: add brcmfmac patch for synchronous init

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45932 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 114 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/861-brcmfmac-register-wiphy-s-during-module_init.patch b/package/kernel/mac80211/patches/861-brcmfmac-register-wiphy-s-during-module_init.patch
new file mode 100644
index 0000000000..f9799ceb00
--- /dev/null
+++ b/package/kernel/mac80211/patches/861-brcmfmac-register-wiphy-s-during-module_init.patch
@@ -0,0 +1,114 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Mon, 8 Jun 2015 16:11:40 +0200
+Subject: [PATCH] brcmfmac: register wiphy(s) during module_init
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This is needed by OpenWrt which expects all PHYs to be created after
+module loads successfully.
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+---
+
+--- a/drivers/net/wireless/brcm80211/brcmfmac/core.c
++++ b/drivers/net/wireless/brcm80211/brcmfmac/core.c
+@@ -1189,6 +1189,7 @@ static int __init brcmfmac_module_init(v
+ #endif
+ 	if (!schedule_work(&brcmf_driver_work))
+ 		return -EBUSY;
++	flush_work(&brcmf_driver_work);
+ 
+ 	return 0;
+ }
+--- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
++++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
+@@ -422,13 +422,14 @@ struct brcmf_fw {
+ 	u16 bus_nr;
+ 	void (*done)(struct device *dev, const struct firmware *fw,
+ 		     void *nvram_image, u32 nvram_len);
++	struct completion *completion;
+ };
+ 
+ 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;
++	u8 *bcm47xx_nvram = NULL;
+ 	size_t bcm47xx_nvram_len;
+ #endif
+ 	const u8 *data = NULL;
+@@ -468,6 +469,8 @@ static void brcmf_fw_request_nvram_done(
+ 	}
+ 
+ 	fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length);
++	if (fwctx->completion)
++		complete(fwctx->completion);
+ 	kfree(fwctx);
+ 	return;
+ 
+@@ -475,6 +478,8 @@ fail:
+ 	brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
+ 	release_firmware(fwctx->code);
+ 	device_release_driver(fwctx->dev);
++	if (fwctx->completion)
++		complete(fwctx->completion);
+ 	kfree(fwctx);
+ }
+ 
+@@ -490,6 +495,8 @@ 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);
++		if (fwctx->completion)
++			complete(fwctx->completion);
+ 		kfree(fwctx);
+ 		return;
+ 	}
+@@ -504,6 +511,8 @@ static void brcmf_fw_request_code_done(c
+ 	/* when nvram is optional call .done() callback here */
+ 	if (fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL) {
+ 		fwctx->done(fwctx->dev, fw, NULL, 0);
++		if (fwctx->completion)
++			complete(fwctx->completion);
+ 		kfree(fwctx);
+ 		return;
+ 	}
+@@ -513,6 +522,8 @@ 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);
++	if (fwctx->completion)
++		complete(fwctx->completion);
+ 	kfree(fwctx);
+ }
+ 
+@@ -524,6 +535,8 @@ int brcmf_fw_get_firmwares_pcie(struct d
+ 				u16 domain_nr, u16 bus_nr)
+ {
+ 	struct brcmf_fw *fwctx;
++	struct completion completion;
++	int err;
+ 
+ 	brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev));
+ 	if (!fw_cb || !code)
+@@ -544,9 +557,17 @@ int brcmf_fw_get_firmwares_pcie(struct d
+ 	fwctx->domain_nr = domain_nr;
+ 	fwctx->bus_nr = bus_nr;
+ 
+-	return request_firmware_nowait(THIS_MODULE, true, code, dev,
++	init_completion(&completion);
++	fwctx->completion = &completion;
++
++	err = request_firmware_nowait(THIS_MODULE, true, code, dev,
+ 				       GFP_KERNEL, fwctx,
+ 				       brcmf_fw_request_code_done);
++	if (!err)
++		wait_for_completion_timeout(fwctx->completion,
++					    msecs_to_jiffies(5000));
++	fwctx->completion = NULL;
++	return err;
+ }
+ 
+ int brcmf_fw_get_firmwares(struct device *dev, u16 flags,