linux-kernel - Re: [PATCH v1 10/14] serial: 8250_of: Switch to use uart_read_port

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Zdd6lnXwvpPPUhRR@smile.fi.intel.com>
Date: Thu, 22 Feb 2024 18:47:18 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andrew Jeffery <andrew@...econstruct.com.au>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org, linux-rpi-kernel@...ts.infradead.org,
	linux-mips@...r.kernel.org, linux-tegra@...r.kernel.org,
	Jiri Slaby <jirislaby@...nel.org>, Joel Stanley <joel@....id.au>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Al Cooper <alcooperx@...il.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Paul Cercueil <paul@...pouillou.net>,
	Vladimir Zapolskiy <vz@...ia.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Andi Shyti <andi.shyti@...ux.intel.com>
Subject: Re: [PATCH v1 10/14] serial: 8250_of: Switch to use
 uart_read_port_properties()

On Thu, Feb 22, 2024 at 06:43:08PM +0200, Andy Shevchenko wrote:
> On Thu, Feb 22, 2024 at 03:23:24PM +0200, Andy Shevchenko wrote:
> > On Thu, Feb 22, 2024 at 11:07:05AM +1030, Andrew Jeffery wrote:
> > > On Wed, 2024-02-21 at 20:31 +0200, Andy Shevchenko wrote:
> > > > Since we have now a common helper to read port properties
> > > > use it instead of sparse home grown solution.
> > > 
> > > I did some brief testing of the series for the Aspeed machines under
> > > qemu, building them on top of v6.8-rc5:
> > > 
> > > export ARCH=arm
> > > export CROSS_COMPILE=arm-linux-gnueabihf-
> > > make aspeed_g5_defconfig
> > > make -j$(nproc)
> > > qemu-system-arm -M rainier-bmc -nographic -no-reboot -kernel arch/arm/boot/zImage -dtb arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-rainier.dtb -initrd ...
> > > 
> > > I got an oops during boot, which bisected to this change:
> > 
> > Thank you for prompt testing! I will look at it.
> 
> I found the issue, will be fixed in next version.

Whoever is going to test this series, the

-		port->iotype = use_defaults ? UPIO_MEM : port->iotype;
+		port->iotype = UPIO_MEM;

should be applied to uart_read_port_properties() implementation.

-- 
With Best Regards,
Andy Shevchenko