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SubjectRe: [PATCH v3 10/10] lib/test_printf: Add tests for %pfw printk modifier
On Thu, Aug 29, 2019 at 01:10:43PM +0300, Sakari Ailus wrote:
> Add a test for the %pfw printk modifier using software nodes.
>

Having tests is always a good thing!
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

> Signed-off-by: Sakari Ailus <sakari.ailus@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]));
> + 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);
> +}
> +
> static void __init
> test_pointer(void)
> {
> @@ -610,6 +646,7 @@ test_pointer(void)
> bitmap();
> netdev_features();
> flags();
> + fwnode_pointer();
> }
>
> static void __init selftest(void)
> --
> 2.20.1
>

--
With Best Regards,
Andy Shevchenko


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