Re: [PATCH v1 3/4] Bluetooth: hci_mrvl: Add serdev support for 88W8997
From: kernel test robot
Date: Tue Jan 24 2023 - 01:38:58 EST
Hi Francesco,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on robh/for-next]
[also build test WARNING on bluetooth-next/master bluetooth/master horms-ipvs/master net/master net-next/master linus/master v6.2-rc5 next-20230123]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Francesco-Dolcini/dt-bindings-bluetooth-marvell-add-88W8997-DT-binding/20230118-210919
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20230118122817.42466-4-francesco%40dolcini.it
patch subject: [PATCH v1 3/4] Bluetooth: hci_mrvl: Add serdev support for 88W8997
config: hexagon-randconfig-r021-20230123 (https://download.01.org/0day-ci/archive/20230124/202301241423.sEVD92vC-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/2ae116c8ad209e0bf11559519915e511c44c28be
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Francesco-Dolcini/dt-bindings-bluetooth-marvell-add-88W8997-DT-binding/20230118-210919
git checkout 2ae116c8ad209e0bf11559519915e511c44c28be
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/bluetooth/ lib/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
All warnings (new ones prefixed by >>):
In file included from drivers/bluetooth/hci_mrvl.c:12:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/bluetooth/hci_mrvl.c:12:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/bluetooth/hci_mrvl.c:12:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> drivers/bluetooth/hci_mrvl.c:450:36: warning: unused variable 'mrvl_proto_8997' [-Wunused-const-variable]
static const struct hci_uart_proto mrvl_proto_8997 = {
^
7 warnings generated.
vim +/mrvl_proto_8997 +450 drivers/bluetooth/hci_mrvl.c
449
> 450 static const struct hci_uart_proto mrvl_proto_8997 = {
451 .id = HCI_UART_MRVL,
452 .name = "Marvell 8997",
453 .init_speed = 115200,
454 .oper_speed = 3000000,
455 .open = mrvl_open,
456 .close = mrvl_close,
457 .flush = mrvl_flush,
458 .set_baudrate = mrvl_set_baudrate,
459 .recv = mrvl_recv,
460 .enqueue = mrvl_enqueue,
461 .dequeue = mrvl_dequeue,
462 };
463
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https://github.com/intel/lkp-tests