4376e69473
There was a bug in brcmfmac patch that could result in treating random memory as source of country codes. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
60 lines
1.7 KiB
Diff
60 lines
1.7 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Subject: [PATCH] brcmfmac: add in-driver tables with country codes
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This adds early support for changing region. Ideally this data should
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be stored in DT as all these mappings are devices specific.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
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@@ -23,6 +23,36 @@
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#include "common.h"
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#include "of.h"
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+/* TODO: FIXME: Use DT */
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+static void brcmf_of_probe_cc(struct device *dev,
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+ struct brcmf_mp_device *settings)
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+{
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+ static struct brcmfmac_pd_cc_entry netgear_r8000_cc_ent[] = {
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+ { "JP", "JP", 78 },
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+ { "US", "Q2", 86 },
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+ };
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+ struct brcmfmac_pd_cc_entry *cc_ent = NULL;
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+ int table_size = 0;
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+
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+ if (of_machine_is_compatible("netgear,r8000")) {
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+ cc_ent = netgear_r8000_cc_ent;
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+ table_size = ARRAY_SIZE(netgear_r8000_cc_ent);
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+ }
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+
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+ if (cc_ent && table_size) {
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+ struct brcmfmac_pd_cc *cc;
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+ size_t memsize;
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+
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+ memsize = table_size * sizeof(struct brcmfmac_pd_cc_entry);
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+ cc = devm_kzalloc(dev, sizeof(*cc) + memsize, GFP_KERNEL);
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+ if (!cc)
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+ return;
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+ cc->table_size = table_size;
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+ memcpy(cc->table, cc_ent, memsize);
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+ settings->country_codes = cc;
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+ }
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+}
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+
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void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
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struct brcmf_mp_device *settings)
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{
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@@ -32,6 +62,8 @@ void brcmf_of_probe(struct device *dev,
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u32 irqf;
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u32 val;
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+ brcmf_of_probe_cc(dev, settings);
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+
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if (!np || bus_type != BRCMF_BUSTYPE_SDIO ||
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!of_device_is_compatible(np, "brcm,bcm4329-fmac"))
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return;
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