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Date:   Thu, 7 Apr 2022 21:15:47 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Ricardo Martinez <ricardo.martinez@linux.intel.com>
Cc:     netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
        davem@davemloft.net, johannes@sipsolutions.net,
        ryazanov.s.a@gmail.com, loic.poulain@linaro.org,
        m.chetan.kumar@intel.com, chandrashekar.devegowda@intel.com,
        linuxwwan@intel.com, chiranjeevi.rapolu@linux.intel.com,
        haijun.liu@mediatek.com, amir.hanania@intel.com,
        andriy.shevchenko@linux.intel.com, dinesh.sharma@intel.com,
        eliot.lee@intel.com, ilpo.johannes.jarvinen@intel.com,
        moises.veleta@intel.com, pierre-louis.bossart@intel.com,
        muralidharan.sethuraman@intel.com, Soumya.Prakash.Mishra@intel.com,
        sreehari.kancharla@intel.com, madhusmita.sahu@intel.com
Subject: Re: [PATCH net-next v6 00/13] net: wwan: t7xx: PCIe driver for
 MediaTek M.2 modem
Message-ID: <20220407211547.6dac8246@kernel.org>
In-Reply-To: <20220407223629.21487-1-ricardo.martinez@linux.intel.com>
References: <20220407223629.21487-1-ricardo.martinez@linux.intel.com>
MIME-Version: 1.0
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Precedence: bulk

On Thu,  7 Apr 2022 15:36:16 -0700 Ricardo Martinez wrote:
> t7xx is the PCIe host device driver for Intel 5G 5000 M.2 solution which
> is based on MediaTek's T700 modem to provide WWAN connectivity.
> The driver uses the WWAN framework infrastructure to create the following
> control ports and network interfaces:
> * /dev/wwan0mbim0 - Interface conforming to the MBIM protocol.
>   Applications like libmbim [1] or Modem Manager [2] from v1.16 onwards
>   with [3][4] can use it to enable data communication towards WWAN.
> * /dev/wwan0at0 - Interface that supports AT commands.
> * wwan0 - Primary network interface for IP traffic.

Does not build here (allmodconfig, W=3D1, gcc 11).

drivers/net/wwan/t7xx/t7xx_hif_cldma.c: In function =E2=80=98t7xx_cldma_irq=
_work_cb=E2=80=99:
include/linux/find.h:40:23: error: array subscript =E2=80=98long unsigned i=
nt[0]=E2=80=99 is partly outside array bounds of =E2=80=98u32[1]=E2=80=99 {=
aka =E2=80=98unsigned int[1]=E2=80=99} [-Werror=3Darray-bounds]
   40 |                 val =3D *addr & GENMASK(size - 1, offset);
      |                       ^~~~~
drivers/net/wwan/t7xx/t7xx_hif_cldma.c:569:43: note: while referencing =E2=
=80=98l2_tx_int=E2=80=99
  569 |         u32 l2_tx_int_msk, l2_rx_int_msk, l2_tx_int, l2_rx_int, val;
      |                                           ^~~~~~~~~
In file included from ../include/linux/bitmap.h:9,
                 from ../include/linux/cpumask.h:12,
                 from ../arch/x86/include/asm/paravirt.h:17,
                 from ../arch/x86/include/asm/irqflags.h:63,
                 from ../include/linux/irqflags.h:16,
                 from ../include/linux/rcupdate.h:26,
                 from ../include/linux/rculist.h:11,
                 from ../include/linux/pid.h:5,
                 from ../include/linux/sched.h:14,
                 from ../include/linux/delay.h:23,
                 from ../drivers/net/wwan/t7xx/t7xx_hif_cldma.c:21:
include/linux/find.h:40:23: error: array subscript =E2=80=98long unsigned i=
nt[0]=E2=80=99 is partly outside array bounds of =E2=80=98u32[1]=E2=80=99 {=
aka =E2=80=98unsigned int[1]=E2=80=99} [-Werror=3Darray-bounds]
   40 |                 val =3D *addr & GENMASK(size - 1, offset);
      |                       ^~~~~
drivers/net/wwan/t7xx/t7xx_hif_cldma.c:569:54: note: while referencing =E2=
=80=98l2_rx_int=E2=80=99
  569 |         u32 l2_tx_int_msk, l2_rx_int_msk, l2_tx_int, l2_rx_int, val;
      |                                                      ^~~~~~~~~