diff options
Diffstat (limited to 'package/kernel/mac80211/patches/352-brcmfmac-support-NVRAMs-containing-pci-devpaths-inst.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/352-brcmfmac-support-NVRAMs-containing-pci-devpaths-inst.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/352-brcmfmac-support-NVRAMs-containing-pci-devpaths-inst.patch b/package/kernel/mac80211/patches/352-brcmfmac-support-NVRAMs-containing-pci-devpaths-inst.patch new file mode 100644 index 0000000000..7bbd57e15e --- /dev/null +++ b/package/kernel/mac80211/patches/352-brcmfmac-support-NVRAMs-containing-pci-devpaths-inst.patch @@ -0,0 +1,56 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Thu, 28 May 2015 14:19:21 +0200 +Subject: [PATCH] brcmfmac: support NVRAMs containing pci devpaths (instead of + pcie) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Recently Broadcom added support for NVRAMs with entries for multiple +PCIe devices. One of the supported formats is based on prefixes defined +like: devpath0=pcie/1/4/ and entries like 0:foo=bar 0:baz=qux etc. + +Unfortunately there are also a bit older devices using different way of +defining prefixes, e.g. SmartRG SR400ac (2 x BCM43602) with entries: +devpath0=pci/1/1/ +devpath1=pci/2/1 +Broadcom stated this old format will never be used/supported by brcmfmac +but given the simplicity of this patch I'll insist on supporting it. + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + +--- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c +@@ -232,6 +232,8 @@ static void brcmf_fw_strip_multi_v1(stru + u16 bus_nr) + { + /* Device path with a leading '=' key-value separator */ ++ char pci_path[] = "=pci/?/?"; ++ size_t pci_len; + char pcie_path[] = "=pcie/?/?"; + size_t pcie_len; + +@@ -251,6 +253,9 @@ static void brcmf_fw_strip_multi_v1(stru + /* First search for the devpathX and see if it is the configuration + * for domain_nr/bus_nr. Search complete nvp + */ ++ snprintf(pci_path, sizeof(pci_path), "=pci/%d/%d", domain_nr, ++ bus_nr); ++ pci_len = strlen(pci_path); + snprintf(pcie_path, sizeof(pcie_path), "=pcie/%d/%d", domain_nr, + bus_nr); + pcie_len = strlen(pcie_path); +@@ -260,8 +265,9 @@ static void brcmf_fw_strip_multi_v1(stru + /* Format: devpathX=pcie/Y/Z/ + * Y = domain_nr, Z = bus_nr, X = virtual ID + */ +- if ((strncmp(&nvp->nvram[i], "devpath", 7) == 0) && +- (strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len) == 0)) { ++ if (strncmp(&nvp->nvram[i], "devpath", 7) == 0 && ++ (!strncmp(&nvp->nvram[i + 8], pci_path, pci_len) || ++ !strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len))) { + id = nvp->nvram[i + 7] - '0'; + found = true; + break; |