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@@ -1,5 +1,6 @@
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+From d06f26c5c8a41f246a9c40862a77a55725cedbd3 Mon Sep 17 00:00:00 2001
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From: Sven Eckelmann <[email protected]>
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-Date: Fri, 10 Mar 2017 09:06:15 +0100
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+Date: Fri, 8 Dec 2017 11:37:42 +0100
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Subject: ath10k: search DT for qcom,ath10k-calibration-variant
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Board Data File (BDF) is loaded upon driver boot-up procedure. The right
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@@ -7,7 +8,7 @@ board data file is identified on QCA4019 using bus, bmi-chip-id and
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bmi-board-id.
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The problem, however, can occur when the (default) board data file cannot
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-fulfill the vendor requirements and it is necessary to use a different
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+fulfill with the vendor requirements and it is necessary to use a different
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board data file.
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This problem was solved for SMBIOS by adding a special SMBIOS type 0xF8.
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@@ -33,13 +34,14 @@ This would create the boarddata identifiers for the board-2.bin search
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* bus=ahb,bmi-chip-id=0,bmi-board-id=17,variant=RT-AC58U
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Signed-off-by: Sven Eckelmann <[email protected]>
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-
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-Origin: other, https://patchwork.kernel.org/patch/9615185/
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+Signed-off-by: Kalle Valo <[email protected]>
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---
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+ drivers/net/wireless/ath/ath10k/core.c | 40 ++++++++++++++++++++++++++++------
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+ 1 file changed, 33 insertions(+), 7 deletions(-)
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--- a/drivers/net/wireless/ath/ath10k/core.c
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+++ b/drivers/net/wireless/ath/ath10k/core.c
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-@@ -860,6 +860,25 @@ static int ath10k_core_check_smbios(stru
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+@@ -860,6 +860,28 @@ static int ath10k_core_check_smbios(stru
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return 0;
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}
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@@ -57,7 +59,10 @@ Origin: other, https://patchwork.kernel.org/patch/9615185/
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+ if (!variant)
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+ return -ENODATA;
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+
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-+ strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext));
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++ if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0)
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++ ath10k_dbg(ar, ATH10K_DBG_BOOT,
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++ "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
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++ variant);
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+
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+ return 0;
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+}
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@@ -65,7 +70,7 @@ Origin: other, https://patchwork.kernel.org/patch/9615185/
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static int ath10k_download_and_run_otp(struct ath10k *ar)
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{
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u32 result, address = ar->hw_params.patch_load_addr;
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-@@ -1231,19 +1250,19 @@ static int ath10k_core_create_board_name
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+@@ -1231,19 +1253,19 @@ static int ath10k_core_create_board_name
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/* strlen(',variant=') + strlen(ar->id.bdf_ext) */
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char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
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@@ -91,7 +96,7 @@ Origin: other, https://patchwork.kernel.org/patch/9615185/
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scnprintf(name, name_len,
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"bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
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ath10k_bus_str(ar->hif.bus),
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-@@ -2343,7 +2362,11 @@ static int ath10k_core_probe_fw(struct a
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+@@ -2343,7 +2365,11 @@ static int ath10k_core_probe_fw(struct a
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ret = ath10k_core_check_smbios(ar);
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if (ret)
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