Re: [PATCH 2/2] selftests: watchdog: Add command line option to show watchdog_info

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On 9/16/19 7:57 AM, Eugeniu Rosca wrote:
Hi Shuah,
CC George

On Mon, Sep 16, 2019 at 07:26:41AM -0600, shuah wrote:
[..]
   		case 'f':
   			/* Handled above */
   			break;
+		case 'i':
+			/*
+			 * watchdog_info was obtained as part of file open
+			 * validation. So we just show it here.
+			 */
+			oneshot = 1;
+			printf("watchdog_info:\n");
+			printf(" identity:\t\t%s\n", info.identity);
+			printf(" firmware_version:\t%u\n",
+			       info.firmware_version);
+			printf(" options:\t\t%08x\n", info.options);
+			break;
   		default:
   			usage(argv[0]);


I would like to see these combined. Please don't add another argument.
Combine patch and 1&2.

With all my appreciation for your comment, why do you think it is better
to get rid of the new argument? I don't think it is user-friendly to
always report the watchdog_info to the user. Just look at outputs [1-2]
and imagine that the watchdog_info part would pop up unconditionally.
It looks too busy to me.

Yes it does look busy. I am okay with adding a second options
based on what you both said.

I don't like the commit log.

Unfortunately this thread no longer contains the commit log.

I would like to see the commit log without any references to side
effects. It make it rather confusing.

"A side of affect of commit "selftests: watchdog: Add optional file
argument" is that arbitrary files may be opened for watchdog testing, e.g.
/dev/null. To prevent watchdog-test from operating on non-watchdog device
files, commit "selftests: watchdog: Validate optional file argument" was
added to validate that a file is indeed a watchdog device via an
ioctl(WDIOC_GETSUPPORT) call. Since the watchdog_info is available as a
result of the ioctl(WDIOC_GETSUPPORT) call, add a command line option to
show the watchdog_info."

I would drop all references to that.

thanks,
-- Shuah



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