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71 lines
2.7 KiB
Diff
71 lines
2.7 KiB
Diff
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From b1a0ba8f772d7a6dcb5aa3e856f5bd8274989ebe Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 22 Apr 2019 22:41:23 +0200
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Subject: [PATCH] brcmfmac: Add DMI nvram filename quirk for ACEPC T8 and T11
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mini PCs
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The ACEPC T8 and T11 mini PCs contain quite generic names in the sys_vendor
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and product_name DMI strings, without this patch brcmfmac will try to load:
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"brcmfmac43455-sdio.Default string-Default string.txt" as nvram file which
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is way too generic.
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The DMI strings on which we are matching are somewhat generic too, but
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"To be filled by O.E.M." is less common then "Default string" and the
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system-sku and bios-version strings are pretty unique. Beside the DMI
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strings we also check the wifi-module chip-id and revision. I'm confident
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that the combination of all this is unique.
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Both the T8 and T11 use the same wifi-module, this commit adds DMI
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quirks for both mini PCs pointing to brcmfmac43455-sdio.acepc-t8.txt .
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BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1690852
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Cc: stable@vger.kernel.org
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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.../broadcom/brcm80211/brcmfmac/dmi.c | 26 +++++++++++++++++++
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1 file changed, 26 insertions(+)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
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@@ -31,6 +31,10 @@ struct brcmf_dmi_data {
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/* NOTE: Please keep all entries sorted alphabetically */
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+static const struct brcmf_dmi_data acepc_t8_data = {
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+ BRCM_CC_4345_CHIP_ID, 6, "acepc-t8"
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+};
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+
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static const struct brcmf_dmi_data gpd_win_pocket_data = {
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BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket"
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};
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@@ -49,6 +53,28 @@ static const struct brcmf_dmi_data pov_t
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static const struct dmi_system_id dmi_platform_data[] = {
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{
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+ /* ACEPC T8 Cherry Trail Z8350 mini PC */
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+ .matches = {
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+ DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
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+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
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+ DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T8"),
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+ /* also match on somewhat unique bios-version */
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+ DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"),
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+ },
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+ .driver_data = (void *)&acepc_t8_data,
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+ },
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+ {
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+ /* ACEPC T11 Cherry Trail Z8350 mini PC, same wifi as the T8 */
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+ .matches = {
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+ DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
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+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
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+ DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T11"),
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+ /* also match on somewhat unique bios-version */
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+ DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"),
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+ },
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+ .driver_data = (void *)&acepc_t8_data,
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+ },
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+ {
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/* Match for the GPDwin which unfortunately uses somewhat
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* generic dmi strings, which is why we test for 4 strings.
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* Comparing against 23 other byt/cht boards, board_vendor
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