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AR-1 - Adding support category for distributions AR-4 - Remove Allwinner legacy AR-5 - Drop Udoo family and move Udoo board into newly created imx6 family AR-9 - Rename sunxi-next to sunxi-legacy AR-10 - Rename sunxi-dev to sunxi-current AR-11 - Adding Radxa Rockpi S support AR-13 - Rename rockchip64-default to rockchip64-legacy AR-14 - Add rockchip64-current as mainline source AR-15 - Drop Rockchip 4.19.y NEXT, current become 5.3.y AR-16 - Rename RK3399 default to legacy AR-17 - Rename Odroid XU4 next and default to legacy 4.14.y, add DEV 5.4.y AR-18 - Add Odroid N2 current mainline AR-19 - Move Odroid C1 to meson family AR-20 - Rename mvebu64-default to mvebu64-legacy AR-21 - Rename mvebu-default to mvebu-legacy AR-22 - Rename mvebu-next to mvebu-current AR-23 - Drop meson64 default and next, current becomes former DEV 5.3.y AR-24 - Drop cubox family and move Cubox/Hummingboard boards under imx6 AR-26 - Adjust motd AR-27 - Enabling distribution release status AR-28 - Added new GCC compilers AR-29 - Implementing Ubuntu Eoan AR-30 - Add desktop packages per board or family AR-31 - Remove (Ubuntu/Debian) distribution name from image filename AR-32 - Move arch configs from configuration.sh to separate arm64 and armhf config files AR-33 - Revision numbers for beta builds changed to day_in_the_year AR-34 - Patches support linked patches AR-35 - Break meson64 family into gxbb and gxl AR-36 - Add Nanopineo2 Black AR-38 - Upgrade option from old branches to new one via armbian-config AR-41 - Show full timezone info AR-43 - Merge Odroid N2 to meson64 AR-44 - Enable FORCE_BOOTSCRIPT_UPDATE for all builds
54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
From e4a72ee5f7717daaa2928b3d18a5327739c8b180 Mon Sep 17 00:00:00 2001
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From: Vasily Khoruzhick <anarsoul@gmail.com>
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Date: Wed, 31 Oct 2018 19:40:18 -0700
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Subject: [PATCH 139/146] Bluetooth: Add new quirk for broken local ext
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features max_page
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Some adapters (e.g. RTL8723CS) advertise that they have more than
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2 pages for local ext features, but they don't support any features
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declared in these pages. RTL8723CS reports max_page = 2 and declares
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support for sync train and secure connection, but it responds with
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either garbage or with error in status on corresponding commands.
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Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
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---
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include/net/bluetooth/hci.h | 7 +++++++
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net/bluetooth/hci_event.c | 4 +++-
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2 files changed, 10 insertions(+), 1 deletion(-)
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diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
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index cdd9f1fe7cfa..32b9195f6fca 100644
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--- a/include/net/bluetooth/hci.h
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+++ b/include/net/bluetooth/hci.h
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@@ -192,6 +192,13 @@ enum {
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*
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*/
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HCI_QUIRK_NON_PERSISTENT_SETUP,
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+
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+ /* When this quirk is set, max_page for local extended features
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+ * is set to 1, even if controller reports higher number. Some
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+ * controllers (e.g. RTL8723CS) report more pages, but they
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+ * don't actually support features declared there.
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+ */
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+ HCI_QUIRK_BROKEN_LOCAL_EXT_FTR_MAX_PAGE,
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};
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/* HCI device flags */
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diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
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index f12555f23a49..3eb289711dea 100644
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--- a/net/bluetooth/hci_event.c
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+++ b/net/bluetooth/hci_event.c
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@@ -639,7 +639,9 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
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if (rp->status)
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return;
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- if (hdev->max_page < rp->max_page)
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+ if (!test_bit(HCI_QUIRK_BROKEN_LOCAL_EXT_FTR_MAX_PAGE,
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+ &hdev->quirks) &&
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+ hdev->max_page < rp->max_page)
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hdev->max_page = rp->max_page;
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if (rp->page < HCI_MAX_PAGES)
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--
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2.17.1
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