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A different structure is stored in drvdata for the drivers which used
that duplicate function, but h4_recv_buf() assumes drvdata is always an
hci_uart structure.
Consequently, alignment and padding are now randomly corrupted for
btmtkuart, btnxpuart, and bpa10x in h4_recv_buf(), causing erratic
breakage.
Fix this by making the hci_uart structure the explicit argument to
h4_recv_buf(). Every caller already has a reference to hci_uart, and
already obtains the hci_hdev reference through it, so this actually
eliminates a redundant pointer indirection for all existing callers.
Fixes: 93f06f8f0daf ("Bluetooth: remove duplicate h4_recv_buf() in header")
Reported-by: Francesco Valla <francesco@valla.it>
Closes: https://lore.kernel.org/lkml/6837167.ZASKD2KPVS@fedora.fritz.box/
Signed-off-by: Calvin Owens <calvin@wbinvd.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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The 'quirks' member already ran out of bits on some platforms some time
ago. Replace the integer member by a bitmap in order to have enough bits
in future. Replace raw bit operations by accessor macros.
Fixes: ff26b2dd6568 ("Bluetooth: Add quirk for broken READ_VOICE_SETTING")
Fixes: 127881334eaa ("Bluetooth: Add quirk for broken READ_PAGE_SCAN_TYPE")
Suggested-by: Pauli Virtanen <pav@iki.fi>
Tested-by: Ivan Pravdin <ipravdin.official@gmail.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Christian Eggers <ceggers@arri.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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release_firmware() checks for NULL pointers internally.
Remove unneeded NULL check for fmw here.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Add a new HCI protocol HCI_UART_AML for the Amlogic Bluetooth
controller. It works on the standard H4 protocol via a 4-wire UART
interface, with baud rates up to 4 Mbps.
The controller supports two types of commands: the TCI commands and the
vendor command. The former is for initial setup including setting baud
rates, downloading fw, starting chip and etc, while the latter is for
dumping firmware versions and setting public address after firmware
updates and normal startup.
It was verified on board of T602 (S905X4 + W265S2).
dmesg:
..
[ 5.313450] Bluetooth: HCI UART protocol AML registered
[ 6.506052] Bluetooth: hci0: fw_version: date = 42.28, number = 0xb2fd
...
Co-developed-by: Ye He <ye.he@amlogic.com>
Signed-off-by: Ye He <ye.he@amlogic.com>
Signed-off-by: Yang Li <yang.li@amlogic.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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