From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andi Shyti <andi.shyti@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Biju Das <biju.das.jz@bp.renesas.com>,
Guenter Roeck <linux@roeck-us.net>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
linux-usb@vger.kernel.org,
Geert Uytterhoeven <geert+renesas@glider.be>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-renesas-soc@vger.kernel.org,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>, Rob Herring <robh+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>
Subject: Re: [PATCH 2/4] usb: typec: tcpci_rt1711h: Convert enum->pointer for data in the match tables
Date: Wed, 23 Aug 2023 17:20:52 +0200 [thread overview]
Message-ID: <2023082354-pledge-salary-0d6f@gregkh> (raw)
In-Reply-To: <CAMuHMdWW_3Wmq-XFd6HCmHhE2RScWMEUas7O7XuSniXPb3k4Dg@mail.gmail.com>
On Wed, Aug 23, 2023 at 05:10:22PM +0200, Geert Uytterhoeven wrote:
> Hi Andi,
>
> On Wed, Aug 23, 2023 at 4:49 PM Andi Shyti <andi.shyti@kernel.org> wrote:
> > I would rather prefer to store pointers in u64 variables rather
> > than integers in a pointer.
>
> "u64" is overkill, as it is too large on 32-bit platforms.
> "uintptr_t" (or ("unsigned long") in legacy code) is the correct integer type.
"unsigned long" in kernel code is the guaranteed size of a pointer.
unitptr_t is for userspace code, it should not be used here in the
kernel as that's the wrong variable namespace.
thanks,
greg k-h
next prev parent reply other threads:[~2023-08-23 15:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230820184402.102486-1-biju.das.jz@bp.renesas.com>
[not found] ` <20230820184402.102486-3-biju.das.jz@bp.renesas.com>
[not found] ` <ZONgzqlS8bGP0umn@smile.fi.intel.com>
[not found] ` <CAMuHMdVY6VNFhMMzub9RrXd1zo=_7brQVtoBtogNuVfhbkg_tA@mail.gmail.com>
[not found] ` <ZOOBw/3fqdinIwCh@smile.fi.intel.com>
[not found] ` <CAMuHMdW8mqtceDxuZ4Ccq0Wrg8ySfFzVC3OBB0AqvfSR-54KYA@mail.gmail.com>
[not found] ` <ZOOaFioDSpasda82@smile.fi.intel.com>
2023-08-22 7:21 ` [PATCH 2/4] usb: typec: tcpci_rt1711h: Convert enum->pointer for data in the match tables Geert Uytterhoeven
2023-08-22 11:44 ` Andy Shevchenko
2023-08-22 12:00 ` Geert Uytterhoeven
2023-08-22 12:08 ` Andy Shevchenko
2023-08-22 12:51 ` Biju Das
2023-08-22 13:23 ` Andy Shevchenko
2023-08-23 14:49 ` Andi Shyti
2023-08-23 15:10 ` Geert Uytterhoeven
2023-08-23 15:20 ` Greg Kroah-Hartman [this message]
2023-08-23 15:36 ` Dmitry Torokhov
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