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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

  reply	other threads:[~2023-08-23 15:22 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-20 18:43 [PATCH 0/4] onvert enum->pointer for data in the rt1711h match tables Biju Das
2023-08-20 18:43 ` [PATCH 1/4] usb: typec: tcpci_rt1711h: Make similar OF and ID table Biju Das
2023-08-20 18:44 ` [PATCH 2/4] usb: typec: tcpci_rt1711h: Convert enum->pointer for data in the match tables Biju Das
2023-08-21 13:04   ` Andy Shevchenko
2023-08-21 13:27     ` Geert Uytterhoeven
2023-08-21 15:24       ` Andy Shevchenko
2023-08-21 15:40         ` Geert Uytterhoeven
2023-08-21 16:05           ` Guenter Roeck
2023-08-21 17:08           ` Andy Shevchenko
2023-08-22  7:21             ` 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
2023-08-21 16:45     ` Biju Das
2023-08-20 18:44 ` [PATCH 3/4] usb: typec: tcpci_rt1711h: Add rxdz_sel variable to struct rt1711h_chip_info Biju Das
2023-08-21 13:06   ` Andy Shevchenko
2023-08-21 13:33     ` Geert Uytterhoeven
2023-08-21 15:26       ` Andy Shevchenko
2023-08-20 18:44 ` [PATCH 4/4] usb: typec: tcpci_rt1711h: Add enable_pd30_extended_message feature bit " Biju Das
2023-08-21 13:08   ` Andy Shevchenko
2023-08-21 14:12     ` Guenter Roeck

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