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Message-ID: <dcd42721-0df1-c42a-dd65-3785d7f233cd@kernel.org>
Date: Mon, 4 Jul 2022 08:59:57 +0200
From: Jiri Slaby <jirislaby@...nel.org>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
Greg KH <gregkh@...uxfoundation.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
William Hubbs <w.d.hubbs@...il.com>,
Chris Brannon <chris@...-brannons.com>,
Kirk Reiser <kirk@...sers.ca>,
Samuel Thibault <samuel.thibault@...-lyon.org>,
"David S. Miller" <davem@...emloft.net>,
"linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"speakup@...ux-speakup.org" <speakup@...ux-speakup.org>,
"sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>
Subject: Re: [PATCH v2 6/6] serial: Consolidate BOTH_EMPTY use
On 23. 06. 22, 12:17, Andy Shevchenko wrote:
> On Thu, Jun 23, 2022 at 12:15 PM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
>> On Thu, Jun 23, 2022 at 10:24 AM Jiri Slaby <jirislaby@...nel.org> wrote:
>>> On 23. 06. 22, 10:11, Andy Shevchenko wrote:
>>>> * prom_putchar_wait() should be implemented using
>>>> read_poll_timeout_atomic(), incl. failure/timeout handling.
>>>>
>>>> Not sure since it is an early stage and scheduler might not work as
>>>> expected. Conversions to iopoll.h macros bitten us a few times already.
>>>
>>> Except _atomic does not use scheduler :).
>>
>> Sorry for a bit misleading comment, but I chased it down, so this what
>> I had in mind when commenting:
>> be24c6a71ecf ("soc: qcom: rpmh-rsc: Don't use ktime for timeout in
>> write_tcs_reg_sync()")
>
> ...and this one (specifically for early stages)
>
> c4d936efa46d ("Revert "usb: early: convert to readl_poll_timeout_atomic()"")
OK, makes sense.
thanks for pointers,
--
js
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