From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2] common/xyzModem.c: Fix delay timeout calculation
Date: Fri, 23 Sep 2016 15:57:56 -0400 [thread overview]
Message-ID: <20160923195756.GU4884@bill-the-cat> (raw)
In-Reply-To: <20160920153949.11988-1-afd@ti.com>
On Tue, Sep 20, 2016 at 10:39:49AM -0500, Andrew F. Davis wrote:
> When waiting for input in CYGACC_COMM_IF_GETC_TIMEOUT we delay 2
> seconds by incrementing and checking a counter variable every 20
> uSeconds. The overhead in the loop calling tstc() thousands of times
> causes the timeout to be closer to 20 seconds. Delay longer per iteration
> to reduce overhead and bring the timeout back closer to the correct time.
>
> Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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next prev parent reply other threads:[~2016-09-23 19:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-20 15:39 [U-Boot] [PATCH v2] common/xyzModem.c: Fix delay timeout calculation Andrew F. Davis
2016-09-23 19:57 ` Tom Rini [this message]
2016-09-27 16:27 ` Andrew F. Davis
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