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Message-ID: <Y+aUM/gIDD+byG9k@francesco-nb.int.toradex.com>
Date: Fri, 10 Feb 2023 20:00:03 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Luiz Augusto von Dentz <luiz.dentz@...il.com>
Cc: kernel test robot <lkp@...el.com>,
Francesco Dolcini <francesco@...cini.it>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-bluetooth@...r.kernel.org,
Marcel Holtmann <marcel@...tmann.org>, llvm@...ts.linux.dev,
oe-kbuild-all@...ts.linux.dev,
Stefan Eichenberger <stefan.eichenberger@...adex.com>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Johan Hedberg <johan.hedberg@...il.com>,
Sascha Hauer <s.hauer@...gutronix.de>,
Francesco Dolcini <francesco.dolcini@...adex.com>
Subject: Re: [PATCH v1 3/4] Bluetooth: hci_mrvl: Add serdev support for
88W8997
On Fri, Feb 10, 2023 at 10:48:08AM -0800, Luiz Augusto von Dentz wrote:
> Hi Francesco,
>
> On Mon, Jan 23, 2023 at 10:38 PM kernel test robot <lkp@...el.com> wrote:
> >
> > 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@intel.com/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@...el.com>
> >
> > 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 = {
>
> This last error seems to be caused by your changes, please fix it.
this is supposed to be fixed in v2.
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