openwrt/package/kernel/mac80211/patches/325-v4.17-0003-brcmfmac-call-brcmf_attach-just-before-calling-brcmf.patch
Rafał Miłecki 0da9303e5b mac80211: backport "brcmfmac: cleanup and some rework" from 4.17
It was described by Arend as:

> This series is intended for 4.17 and includes following:
>
>  * rework bus layer attach code.
>  * remove duplicate variable declaration.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-06-17 22:46:29 +02:00

107 lines
3.4 KiB
Diff

From 262f2b53f67936b59cc8dfc6f3899ab8905bf1ed Mon Sep 17 00:00:00 2001
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
Date: Tue, 20 Feb 2018 00:14:20 +0100
Subject: [PATCH] brcmfmac: call brcmf_attach() just before calling
brcmf_bus_started()
Now we can move brcmf_attach() until after the firmware has been downloaded
to the device. Make the call just before brcmf_bus_started().
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
.../wireless/broadcom/brcm80211/brcmfmac/core.c | 6 ++++
.../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 34 +++++++++++-----------
2 files changed, 23 insertions(+), 17 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -1268,6 +1268,12 @@ void brcmf_bus_change_state(struct brcmf
int ifidx;
brcmf_dbg(TRACE, "%d -> %d\n", bus->state, state);
+
+ if (!drvr) {
+ brcmf_dbg(INFO, "ignoring transition, bus not attached yet\n");
+ return;
+ }
+
bus->state = state;
if (state == BRCMF_BUS_UP) {
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4048,9 +4048,6 @@ static void brcmf_sdio_firmware_callback
if (err)
goto fail;
- if (!bus_if->drvr)
- return;
-
/* try to download image and nvram to the dongle */
bus->alp_only = true;
err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len);
@@ -4126,11 +4123,28 @@ static void brcmf_sdio_firmware_callback
sdio_release_host(sdiodev->func1);
+ /* Assign bus interface call back */
+ sdiodev->bus_if->dev = sdiodev->dev;
+ sdiodev->bus_if->ops = &brcmf_sdio_bus_ops;
+ sdiodev->bus_if->chip = bus->ci->chip;
+ sdiodev->bus_if->chiprev = bus->ci->chiprev;
+
+ /* Attach to the common layer, reserve hdr space */
+ err = brcmf_attach(sdiodev->dev, sdiodev->settings);
+ if (err != 0) {
+ brcmf_err("brcmf_attach failed\n");
+ goto fail;
+ }
+
+ brcmf_sdio_debugfs_create(bus);
+
err = brcmf_bus_started(dev);
if (err != 0) {
brcmf_err("dongle is not responding\n");
goto fail;
}
+
+ /* ready */
return;
release:
@@ -4200,22 +4214,9 @@ struct brcmf_sdio *brcmf_sdio_probe(stru
bus->dpc_triggered = false;
bus->dpc_running = false;
- /* Assign bus interface call back */
- bus->sdiodev->bus_if->dev = bus->sdiodev->dev;
- bus->sdiodev->bus_if->ops = &brcmf_sdio_bus_ops;
- bus->sdiodev->bus_if->chip = bus->ci->chip;
- bus->sdiodev->bus_if->chiprev = bus->ci->chiprev;
-
/* default sdio bus header length for tx packet */
bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN;
- /* Attach to the common layer, reserve hdr space */
- ret = brcmf_attach(bus->sdiodev->dev, bus->sdiodev->settings);
- if (ret != 0) {
- brcmf_err("brcmf_attach failed\n");
- goto fail;
- }
-
/* Query the F2 block size, set roundup accordingly */
bus->blocksize = bus->sdiodev->func2->cur_blksize;
bus->roundup = min(max_roundup, bus->blocksize);
@@ -4240,7 +4241,6 @@ struct brcmf_sdio *brcmf_sdio_probe(stru
/* SR state */
bus->sr_enabled = false;
- brcmf_sdio_debugfs_create(bus);
brcmf_dbg(INFO, "completed!!\n");
ret = brcmf_fw_map_chip_to_name(bus->ci->chip, bus->ci->chiprev,