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openwrtv4/package/kernel/mac80211/patches/327-v4.17-0009-brcmfmac-add-extension-to-.get_fwname-callbacks.patch
Rafał Miłecki 7e8eb7f309 mac80211: backport brcmfmac firmware & clm_blob loading rework 
It backports remaining brcmfmac changes from 4.17.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-06-18 07:41:40 +02:00

231 lines
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From bf7a7b37f6ef5090a2bae7e7ae23cd26b741cca4 Mon Sep 17 00:00:00 2001
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
Date: Thu, 22 Mar 2018 21:28:28 +0100
Subject: [PATCH] brcmfmac: add extension to .get_fwname() callbacks
This changes the bus layer api by having the caller provide an
extension. With this the callback can use brcmf_fw_alloc_request()
to get the needed firmware name.
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>
---
.../net/wireless/broadcom/brcm80211/brcmfmac/bus.h | 6 +--
.../wireless/broadcom/brcm80211/brcmfmac/common.c | 43 +++-------------------
.../wireless/broadcom/brcm80211/brcmfmac/pcie.c | 27 +++++++-------
.../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 26 +++++++------
.../net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 27 ++++++++------
5 files changed, 51 insertions(+), 78 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
@@ -88,7 +88,7 @@ struct brcmf_bus_ops {
void (*wowl_config)(struct device *dev, bool enabled);
size_t (*get_ramsize)(struct device *dev);
int (*get_memdump)(struct device *dev, void *data, size_t len);
- int (*get_fwname)(struct device *dev, uint chip, uint chiprev,
+ int (*get_fwname)(struct device *dev, const char *ext,
unsigned char *fw_name);
};
@@ -228,10 +228,10 @@ int brcmf_bus_get_memdump(struct brcmf_b
}
static inline
-int brcmf_bus_get_fwname(struct brcmf_bus *bus, uint chip, uint chiprev,
+int brcmf_bus_get_fwname(struct brcmf_bus *bus, const char *ext,
unsigned char *fw_name)
{
- return bus->ops->get_fwname(bus->dev, chip, chiprev, fw_name);
+ return bus->ops->get_fwname(bus->dev, ext, fw_name);
}
/*
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
@@ -129,42 +129,9 @@ static int brcmf_c_download(struct brcmf
return err;
}
-static int brcmf_c_get_clm_name(struct brcmf_if *ifp, u8 *clm_name)
-{
- struct brcmf_bus *bus = ifp->drvr->bus_if;
- u8 fw_name[BRCMF_FW_NAME_LEN];
- u8 *ptr;
- size_t len;
- s32 err;
-
- memset(fw_name, 0, BRCMF_FW_NAME_LEN);
- err = brcmf_bus_get_fwname(bus, bus->chip, bus->chiprev, fw_name);
- if (err) {
- brcmf_err("get firmware name failed (%d)\n", err);
- goto done;
- }
-
- /* generate CLM blob file name */
- ptr = strrchr(fw_name, '.');
- if (!ptr) {
- err = -ENOENT;
- goto done;
- }
-
- len = ptr - fw_name + 1;
- if (len + strlen(".clm_blob") > BRCMF_FW_NAME_LEN) {
- err = -E2BIG;
- } else {
- strlcpy(clm_name, fw_name, len);
- strlcat(clm_name, ".clm_blob", BRCMF_FW_NAME_LEN);
- }
-done:
- return err;
-}
-
static int brcmf_c_process_clm_blob(struct brcmf_if *ifp)
{
- struct device *dev = ifp->drvr->bus_if->dev;
+ struct brcmf_bus *bus = ifp->drvr->bus_if;
struct brcmf_dload_data_le *chunk_buf;
const struct firmware *clm = NULL;
u8 clm_name[BRCMF_FW_NAME_LEN];
@@ -177,16 +144,16 @@ static int brcmf_c_process_clm_blob(stru
brcmf_dbg(TRACE, "Enter\n");
- memset(clm_name, 0, BRCMF_FW_NAME_LEN);
- err = brcmf_c_get_clm_name(ifp, clm_name);
+ memset(clm_name, 0, sizeof(clm_name));
+ err = brcmf_bus_get_fwname(bus, ".clm_blob", clm_name);
if (err) {
brcmf_err("get CLM blob file name failed (%d)\n", err);
return err;
}
- err = request_firmware(&clm, clm_name, dev);
+ err = request_firmware(&clm, clm_name, bus->dev);
if (err) {
- brcmf_info("no clm_blob available(err=%d), device may have limited channels available\n",
+ brcmf_info("no clm_blob available (err=%d), device may have limited channels available\n",
err);
return 0;
}
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1350,23 +1350,24 @@ static int brcmf_pcie_get_memdump(struct
return 0;
}
-static int brcmf_pcie_get_fwname(struct device *dev, u32 chip, u32 chiprev,
- u8 *fw_name)
+static
+int brcmf_pcie_get_fwname(struct device *dev, const char *ext, u8 *fw_name)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
- struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie;
- struct brcmf_pciedev_info *devinfo = buspub->devinfo;
- int ret = 0;
+ struct brcmf_fw_request *fwreq;
+ struct brcmf_fw_name fwnames[] = {
+ { ext, fw_name },
+ };
- if (devinfo->fw_name[0] != '\0')
- strlcpy(fw_name, devinfo->fw_name, BRCMF_FW_NAME_LEN);
- else
- ret = brcmf_fw_map_chip_to_name(chip, chiprev,
- brcmf_pcie_fwnames,
- ARRAY_SIZE(brcmf_pcie_fwnames),
- fw_name, NULL);
+ fwreq = brcmf_fw_alloc_request(bus_if->chip, bus_if->chiprev,
+ brcmf_pcie_fwnames,
+ ARRAY_SIZE(brcmf_pcie_fwnames),
+ fwnames, ARRAY_SIZE(fwnames));
+ if (!fwreq)
+ return -ENOMEM;
- return ret;
+ kfree(fwreq);
+ return 0;
}
static const struct brcmf_bus_ops brcmf_pcie_bus_ops = {
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4000,22 +4000,24 @@ brcmf_sdio_watchdog(unsigned long data)
}
}
-static int brcmf_sdio_get_fwname(struct device *dev, u32 chip, u32 chiprev,
- u8 *fw_name)
+static
+int brcmf_sdio_get_fwname(struct device *dev, const char *ext, u8 *fw_name)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
- struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
- int ret = 0;
+ struct brcmf_fw_request *fwreq;
+ struct brcmf_fw_name fwnames[] = {
+ { ext, fw_name },
+ };
- if (sdiodev->fw_name[0] != '\0')
- strlcpy(fw_name, sdiodev->fw_name, BRCMF_FW_NAME_LEN);
- else
- ret = brcmf_fw_map_chip_to_name(chip, chiprev,
- brcmf_sdio_fwnames,
- ARRAY_SIZE(brcmf_sdio_fwnames),
- fw_name, NULL);
+ fwreq = brcmf_fw_alloc_request(bus_if->chip, bus_if->chiprev,
+ brcmf_sdio_fwnames,
+ ARRAY_SIZE(brcmf_sdio_fwnames),
+ fwnames, ARRAY_SIZE(fwnames));
+ if (!fwreq)
+ return -ENOMEM;
- return ret;
+ kfree(fwreq);
+ return 0;
}
static const struct brcmf_bus_ops brcmf_sdio_bus_ops = {
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -1128,21 +1128,24 @@ static void brcmf_usb_wowl_config(struct
device_set_wakeup_enable(devinfo->dev, false);
}
-static int brcmf_usb_get_fwname(struct device *dev, u32 chip, u32 chiprev,
- u8 *fw_name)
+static
+int brcmf_usb_get_fwname(struct device *dev, const char *ext, u8 *fw_name)
{
- struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
- int ret = 0;
+ struct brcmf_bus *bus = dev_get_drvdata(dev);
+ struct brcmf_fw_request *fwreq;
+ struct brcmf_fw_name fwnames[] = {
+ { ext, fw_name },
+ };
- if (devinfo->fw_name[0] != '\0')
- strlcpy(fw_name, devinfo->fw_name, BRCMF_FW_NAME_LEN);
- else
- ret = brcmf_fw_map_chip_to_name(chip, chiprev,
- brcmf_usb_fwnames,
- ARRAY_SIZE(brcmf_usb_fwnames),
- fw_name, NULL);
+ fwreq = brcmf_fw_alloc_request(bus->chip, bus->chiprev,
+ brcmf_usb_fwnames,
+ ARRAY_SIZE(brcmf_usb_fwnames),
+ fwnames, ARRAY_SIZE(fwnames));
+ if (!fwreq)
+ return -ENOMEM;
- return ret;
+ kfree(fwreq);
+ return 0;
}
static const struct brcmf_bus_ops brcmf_usb_bus_ops = {
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