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This adds support for SR400ac NVRAM and fixes /sys/class/ieee80211/*/macaddress Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 45928
57 lines
2.1 KiB
Diff
57 lines
2.1 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Thu, 28 May 2015 14:19:21 +0200
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Subject: [PATCH] brcmfmac: support NVRAMs containing pci devpaths (instead of
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pcie)
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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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Recently Broadcom added support for NVRAMs with entries for multiple
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PCIe devices. One of the supported formats is based on prefixes defined
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like: devpath0=pcie/1/4/ and entries like 0:foo=bar 0:baz=qux etc.
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Unfortunately there are also a bit older devices using different way of
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defining prefixes, e.g. SmartRG SR400ac (2 x BCM43602) with entries:
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devpath0=pci/1/1/
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devpath1=pci/2/1
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Broadcom stated this old format will never be used/supported by brcmfmac
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but given the simplicity of this patch I'll insist on supporting it.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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--- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
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+++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
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@@ -232,6 +232,8 @@ static void brcmf_fw_strip_multi_v1(stru
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u16 bus_nr)
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{
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/* Device path with a leading '=' key-value separator */
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+ char pci_path[] = "=pci/?/?";
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+ size_t pci_len;
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char pcie_path[] = "=pcie/?/?";
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size_t pcie_len;
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@@ -251,6 +253,9 @@ static void brcmf_fw_strip_multi_v1(stru
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/* First search for the devpathX and see if it is the configuration
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* for domain_nr/bus_nr. Search complete nvp
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*/
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+ snprintf(pci_path, sizeof(pci_path), "=pci/%d/%d", domain_nr,
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+ bus_nr);
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+ pci_len = strlen(pci_path);
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snprintf(pcie_path, sizeof(pcie_path), "=pcie/%d/%d", domain_nr,
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bus_nr);
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pcie_len = strlen(pcie_path);
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@@ -260,8 +265,9 @@ static void brcmf_fw_strip_multi_v1(stru
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/* Format: devpathX=pcie/Y/Z/
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* Y = domain_nr, Z = bus_nr, X = virtual ID
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*/
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- if ((strncmp(&nvp->nvram[i], "devpath", 7) == 0) &&
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- (strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len) == 0)) {
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+ if (strncmp(&nvp->nvram[i], "devpath", 7) == 0 &&
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+ (!strncmp(&nvp->nvram[i + 8], pci_path, pci_len) ||
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+ !strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len))) {
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id = nvp->nvram[i + 7] - '0';
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found = true;
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break;
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