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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c')
-rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c new file mode 100644 index 0000000000..eecf8a38d9 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2012 Broadcom Corporation + */ +#include <linux/debugfs.h> +#include <linux/netdevice.h> +#include <linux/module.h> +#include <linux/devcoredump.h> + +#include <brcmu_wifi.h> +#include <brcmu_utils.h> +#include "core.h" +#include "bus.h" +#include "fweh.h" +#include "debug.h" + +int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, + size_t len) +{ + void *dump; + size_t ramsize; + int err; + + ramsize = brcmf_bus_get_ramsize(bus); + if (!ramsize) + return -ENOTSUPP; + + dump = vzalloc(len + ramsize); + if (!dump) + return -ENOMEM; + + if (data && len > 0) + memcpy(dump, data, len); + err = brcmf_bus_get_memdump(bus, dump + len, ramsize); + if (err) { + vfree(dump); + return err; + } + + dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL); + + return 0; +} + +struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr) +{ + return drvr->wiphy->debugfsdir; +} + +void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, + int (*read_fn)(struct seq_file *seq, void *data)) +{ + WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n"); + debugfs_create_devm_seqfile(drvr->bus_if->dev, fn, + drvr->wiphy->debugfsdir, read_fn); +} |