diff options
Diffstat (limited to 'package/kernel/mac80211/patches/081-ath10k-calibration-variant.patch')
-rw-r--r-- | package/kernel/mac80211/patches/081-ath10k-calibration-variant.patch | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/package/kernel/mac80211/patches/081-ath10k-calibration-variant.patch b/package/kernel/mac80211/patches/081-ath10k-calibration-variant.patch deleted file mode 100644 index 2724027866..0000000000 --- a/package/kernel/mac80211/patches/081-ath10k-calibration-variant.patch +++ /dev/null @@ -1,111 +0,0 @@ -From d06f26c5c8a41f246a9c40862a77a55725cedbd3 Mon Sep 17 00:00:00 2001 -From: Sven Eckelmann <sven.eckelmann@openmesh.com> -Date: Fri, 8 Dec 2017 11:37:42 +0100 -Subject: ath10k: search DT for qcom,ath10k-calibration-variant - -Board Data File (BDF) is loaded upon driver boot-up procedure. The right -board data file is identified on QCA4019 using bus, bmi-chip-id and -bmi-board-id. - -The problem, however, can occur when the (default) board data file cannot -fulfill with the vendor requirements and it is necessary to use a different -board data file. - -This problem was solved for SMBIOS by adding a special SMBIOS type 0xF8. -Something similar has to be provided for systems without SMBIOS but with -device trees. No solution was specified by QCA and therefore a new one has -to be found for ath10k. - -The device tree requires addition strings to define the variant name - - wifi@a000000 { - status = "okay"; - qcom,ath10k-calibration-variant = "RT-AC58U"; - }; - - wifi@a800000 { - status = "okay"; - qcom,ath10k-calibration-variant = "RT-AC58U"; - }; - -This would create the boarddata identifiers for the board-2.bin search - - * bus=ahb,bmi-chip-id=0,bmi-board-id=16,variant=RT-AC58U - * bus=ahb,bmi-chip-id=0,bmi-board-id=17,variant=RT-AC58U - -Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> -Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com> ---- - drivers/net/wireless/ath/ath10k/core.c | 40 ++++++++++++++++++++++++++++------ - 1 file changed, 33 insertions(+), 7 deletions(-) - ---- a/drivers/net/wireless/ath/ath10k/core.c -+++ b/drivers/net/wireless/ath/ath10k/core.c -@@ -860,6 +860,28 @@ static int ath10k_core_check_smbios(stru - return 0; - } - -+static int ath10k_core_check_dt(struct ath10k *ar) -+{ -+ struct device_node *node; -+ const char *variant = NULL; -+ -+ node = ar->dev->of_node; -+ if (!node) -+ return -ENOENT; -+ -+ of_property_read_string(node, "qcom,ath10k-calibration-variant", -+ &variant); -+ if (!variant) -+ return -ENODATA; -+ -+ if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0) -+ ath10k_dbg(ar, ATH10K_DBG_BOOT, -+ "bdf variant string is longer than the buffer can accommodate (variant: %s)\n", -+ variant); -+ -+ return 0; -+} -+ - static int ath10k_download_and_run_otp(struct ath10k *ar) - { - u32 result, address = ar->hw_params.patch_load_addr; -@@ -1231,19 +1253,19 @@ static int ath10k_core_create_board_name - /* strlen(',variant=') + strlen(ar->id.bdf_ext) */ - char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 }; - -+ if (ar->id.bdf_ext[0] != '\0') -+ scnprintf(variant, sizeof(variant), ",variant=%s", -+ ar->id.bdf_ext); -+ - if (ar->id.bmi_ids_valid) { - scnprintf(name, name_len, -- "bus=%s,bmi-chip-id=%d,bmi-board-id=%d", -+ "bus=%s,bmi-chip-id=%d,bmi-board-id=%d%s", - ath10k_bus_str(ar->hif.bus), - ar->id.bmi_chip_id, -- ar->id.bmi_board_id); -+ ar->id.bmi_board_id, variant); - goto out; - } - -- if (ar->id.bdf_ext[0] != '\0') -- scnprintf(variant, sizeof(variant), ",variant=%s", -- ar->id.bdf_ext); -- - scnprintf(name, name_len, - "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s", - ath10k_bus_str(ar->hif.bus), -@@ -2343,7 +2365,11 @@ static int ath10k_core_probe_fw(struct a - - ret = ath10k_core_check_smbios(ar); - if (ret) -- ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not set.\n"); -+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "SMBIOS bdf variant name not set.\n"); -+ -+ ret = ath10k_core_check_dt(ar); -+ if (ret) -+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "DT bdf variant name not set.\n"); - - ret = ath10k_core_fetch_board_file(ar); - if (ret) { |