From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Petr Mladek <pmladek@suse.com>
Cc: rafael@kernel.org, linux-kernel@vger.kernel.org,
Rob Herring <robh@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
devicetree@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v4 11/11] lib/test_printf: Add tests for %pfw printk modifier
Date: Wed, 4 Sep 2019 17:03:45 +0300 [thread overview]
Message-ID: <20190904140345.GT5475@paasikivi.fi.intel.com> (raw)
In-Reply-To: <20190903133841.dhb6k2lwx2gglyjs@pathway.suse.cz>
Hi Petr,
Thanks for the comments.
On Tue, Sep 03, 2019 at 03:38:41PM +0200, Petr Mladek wrote:
> On Mon 2019-09-02 11:32:40, Sakari Ailus wrote:
> > Add a test for the %pfw printk modifier using software nodes.
> >
> > Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > ---
> > lib/test_printf.c | 37 +++++++++++++++++++++++++++++++++++++
> > 1 file changed, 37 insertions(+)
> >
> > diff --git a/lib/test_printf.c b/lib/test_printf.c
> > index 944eb50f38625..9c6d716979fb1 100644
> > --- a/lib/test_printf.c
> > +++ b/lib/test_printf.c
> > @@ -22,6 +22,8 @@
> > #include <linux/gfp.h>
> > #include <linux/mm.h>
> >
> > +#include <linux/property.h>
> > +
> > #include "../tools/testing/selftests/kselftest_module.h"
> >
> > #define BUF_SIZE 256
> > @@ -588,6 +590,40 @@ flags(void)
> > kfree(cmp_buffer);
> > }
> >
> > +static void __init fwnode_pointer(void)
> > +{
> > + const struct software_node softnodes[] = {
> > + { .name = "first", },
> > + { .name = "second", .parent = &softnodes[0], },
> > + { .name = "third", .parent = &softnodes[1], },
> > + { NULL /* Guardian */ },
> > + };
> > + const char * const full_name = "/second/third";
> > + const char * const full_name_second = "/second";
> > + const char * const second_name = "second";
> > + const char * const third_name = "third";
> > + int rval;
> > +
> > + rval = software_node_register_nodes(softnodes);
> > + if (rval) {
> > + pr_warn("cannot register softnodes; rval %d\n", rval);
> > + return;
> > + }
> > +
> > + test(full_name_second, "%pfw",
> > + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 3]));
>
> "ARRAY_SIZE(softnodes) - 3" is quite cryptic.
> Is there any particular reason to use it instead of &softnodes[1] ?
I'm fine using a direct index, rather than refer to entries from the top
downwards.
>
> And is it expected that it does not print the "/first" parent?
Heikki actually commented on an issue related to the "root" nodes. I'll
reply to his comment, on the 5th patch of the set.
>
> > + test(full_name, "%pfw",
> > + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 2]));
> > + test(full_name, "%pfwf",
> > + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 2]));
> > + test(second_name, "%pfwP",
> > + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 3]));
> > + test(third_name, "%pfwP",
> > + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 2]));
> > +
> > + software_node_unregister_nodes(softnodes);
> > +}
>
> Anyway, thanks for the tests.
You're welcome!
--
Kind regards,
Sakari Ailus
sakari.ailus@linux.intel.com
prev parent reply other threads:[~2019-09-04 14:04 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-02 8:32 [PATCH v4 00/11] Device property improvements, add %pfw format specifier Sakari Ailus
2019-09-02 8:32 ` [PATCH v4 01/11] software node: Get reference to parent swnode in get_parent op Sakari Ailus
2019-09-02 10:10 ` Andy Shevchenko
2019-09-02 8:32 ` [PATCH v4 02/11] software node: Make argument to to_software_node const Sakari Ailus
2019-09-02 8:32 ` [PATCH v4 03/11] device property: Move fwnode_get_parent() up Sakari Ailus
2019-09-02 10:11 ` Andy Shevchenko
2019-09-02 8:32 ` [PATCH v4 04/11] device property: Add functions for accessing node's parents Sakari Ailus
2019-09-02 10:14 ` Andy Shevchenko
2019-09-02 12:34 ` Sakari Ailus
2019-09-02 12:46 ` Andy Shevchenko
2019-09-02 8:32 ` [PATCH v4 05/11] device property: Add fwnode_get_name for returning the name of a node Sakari Ailus
2019-09-02 8:32 ` [PATCH v4 06/11] device property: Add a function to obtain a node's prefix Sakari Ailus
2019-09-02 10:16 ` Andy Shevchenko
2019-09-02 8:32 ` [PATCH v4 07/11] lib/vsprintf: Remove support for %pF and %pf in favour of %pS and %ps Sakari Ailus
2019-09-02 14:39 ` Petr Mladek
2019-09-02 16:01 ` Andy Shevchenko
2019-09-03 14:04 ` Petr Mladek
2019-09-06 6:59 ` Sakari Ailus
2019-09-02 8:32 ` [PATCH v4 08/11] lib/vsprintf: Make use of fwnode API to obtain node names and separators Sakari Ailus
2019-09-02 15:18 ` Petr Mladek
2019-09-02 15:41 ` Sakari Ailus
2019-09-02 8:32 ` [PATCH v4 09/11] lib/vsprintf: OF nodes are first and foremost, struct device_nodes Sakari Ailus
2019-09-02 10:21 ` Andy Shevchenko
2019-09-02 8:32 ` [PATCH v4 10/11] lib/vsprintf: Add %pfw conversion specifier for printing fwnode names Sakari Ailus
2019-09-03 13:06 ` Petr Mladek
2019-09-04 15:04 ` Sakari Ailus
2019-09-04 15:17 ` Andy Shevchenko
2019-09-04 15:39 ` Joe Perches
2019-09-04 15:54 ` Andy Shevchenko
2019-09-04 15:37 ` Joe Perches
2019-09-04 16:09 ` Sakari Ailus
2019-09-02 8:32 ` [PATCH v4 11/11] lib/test_printf: Add tests for %pfw printk modifier Sakari Ailus
2019-09-02 12:26 ` Andy Shevchenko
2019-09-02 13:09 ` Sakari Ailus
2019-09-03 13:38 ` Petr Mladek
2019-09-04 14:03 ` Sakari Ailus [this message]
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