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From: "Michael Walle" <mwalle@kernel.org>
To: "Quentin Schulz" <quentin.schulz@cherry.de>,
	"Marek Vasut" <marex@denx.de>,
	"Christoph Niedermaier" <cniedermaier@dh-electronics.com>,
	<u-boot@lists.denx.de>
Cc: "Tom Rini" <trini@konsulko.com>,
	"Benedikt Spranger" <b.spranger@linutronix.de>,
	"Simon Glass" <sjg@chromium.org>,
	"John Ogness" <john.ogness@linutronix.de>,
	"Jerome Forissier" <jerome.forissier@linaro.org>,
	"Ilias Apalodimas" <ilias.apalodimas@linaro.org>
Subject: Re: [PATCH] tiny-printf: Add support for upper case hex values
Date: Tue, 01 Apr 2025 10:55:42 +0200	[thread overview]
Message-ID: <D8V6D9S6CBRH.3LRHNU4XCVF14@kernel.org> (raw)
In-Reply-To: <ab32ace5-efc0-41b9-8d13-292f6f87835d@cherry.de>

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Hi,

> The issue is that disabling TINY_PRINTF may not be possible (size 
> constraints) and some code is compiled for different stages and people 
> typically don't check whether the format used in printf is valid with 
> tiny_printf. I've had this issue already in the past, I vaguely recall 
> "complaining" about it on IRC.

Yes, I've stumbled on "%pa" with tiny printf (i.e. in
drivers/pinctrl/pinctrl-single.c) which is printing the very wrong
value, actually :) So printing anything unknown as '?' would really
help here.

-michael

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  parent reply	other threads:[~2025-04-01  8:55 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-20 10:23 [PATCH] tiny-printf: Add support for upper case hex values Christoph Niedermaier
2025-03-20 11:49 ` Marek Vasut
2025-03-20 13:53   ` Tom Rini
2025-03-20 14:00   ` Quentin Schulz
2025-03-20 14:14     ` Marek Vasut
2025-03-20 14:18       ` Tom Rini
2025-03-20 17:58         ` Christoph Niedermaier
2025-03-20 18:28           ` Tom Rini
2025-03-20 18:41             ` Christoph Niedermaier
2025-04-01  8:55     ` Michael Walle [this message]
2025-04-01 14:08       ` Christoph Niedermaier
2025-04-02  7:01         ` Michael Walle
2025-04-02  9:03           ` Christoph Niedermaier
2025-04-04  8:33             ` Michael Walle
2025-04-04 14:58               ` Tom Rini
2025-04-07  5:27                 ` Michael Walle
2025-04-07  6:55                   ` Christoph Niedermaier

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