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Message-Id: <3E9B4A8B-6409-4102-A3A2-40853AD04DB1@gmail.com>
Date: Tue, 19 Mar 2019 10:25:50 -0400
From: Jean-Francois Dagenais <jeff.dagenais@...il.com>
To: Mariusz Bialonczyk <manio@...boo.net>
Cc: open list <linux-kernel@...r.kernel.org>,
Evgeniy Polyakov <zbr@...emap.net>,
Greg Kroah-Hartman <greg@...ah.com>
Subject: Re: [PATCH 1/2] w1: ds2408: add a missing reset when retrying in
output_write()
> On Mar 19, 2019, at 10:21, Jean-Francois Dagenais <jeff.dagenais@...il.com> wrote:
>
> I can do a proper patch submission if you guys provide positive response on this
> early RFC. Or better yet, you can take it and own it yourself as your v2
> Mariusz. ;)
Just FYI, here's what the retry loop looks like after this suggested patch:
do {
w1_buf[0] = W1_F29_FUNC_CHANN_ACCESS_WRITE;
w1_buf[1] = *buf;
w1_buf[2] = ~(*buf);
w1_write_block(sl->master, w1_buf, 3);
readBack = w1_read_8(sl->master);
if (readBack == W1_F29_SUCCESS_CONFIRM_BYTE &&
optional_read_back_valid(sl, *buf)) {
bytes_written = 1;
goto out;
}
if (w1_reset_resume_command(sl->master))
goto out; /* unrecoverable error */
/* try again, the slave is ready for a command */
} while (--retries);
Much better on the eyes.
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