[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/3] dma-buf: Introduce selftesting framework

[Patchwork]

== Series Details ==

Series: series starting with [1/3] dma-buf: Introduce selftesting framework
URL   : https://patchwork.freedesktop.org/series/65403/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
3e28d146e83c dma-buf: Introduce selftesting framework
-:28: WARNING:CONFIG_DESCRIPTION: please write a paragraph that describes the config symbol fully
#28: FILE: drivers/dma-buf/Kconfig:42:
+config DMABUF_SELFTESTS

-:46: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#46: 
new file mode 100644

-:51: WARNING:SPDX_LICENSE_TAG: Improper SPDX comment style for 'drivers/dma-buf/selftest.c', please use '//' instead
#51: FILE: drivers/dma-buf/selftest.c:1:
+/* SPDX-License-Identifier: MIT */

-:51: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#51: FILE: drivers/dma-buf/selftest.c:1:
+/* SPDX-License-Identifier: MIT */

-:71: ERROR:BRACKET_SPACE: space prohibited before open square bracket '['
#71: FILE: drivers/dma-buf/selftest.c:21:
+#define selftest(n, f) [__idx_##n] = { .name = #n, .func = f },

-:79: CHECK:LINE_SPACING: Please use a blank line after function/struct/union/enum declarations
#79: FILE: drivers/dma-buf/selftest.c:29:
+};
+#undef selftest

-:83: WARNING:TRAILING_SEMICOLON: macros should not use a trailing semicolon
#83: FILE: drivers/dma-buf/selftest.c:33:
+#define selftest_0(n, func, id) \
+module_param_named(id, selftests[__idx_##n].enabled, bool, 0400);

-:85: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'n' - possible side-effects?
#85: FILE: drivers/dma-buf/selftest.c:35:
+#define selftest(n, func) selftest_0(n, func, param(n))

-:224: WARNING:SPDX_LICENSE_TAG: Improper SPDX comment style for 'drivers/dma-buf/selftest.h', please use '/*' instead
#224: FILE: drivers/dma-buf/selftest.h:1:
+// SPDX-License-Identifier: MIT

-:224: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#224: FILE: drivers/dma-buf/selftest.h:1:
+// SPDX-License-Identifier: MIT

-:235: WARNING:TRAILING_SEMICOLON: macros should not use a trailing semicolon
#235: FILE: drivers/dma-buf/selftest.h:12:
+#define selftest(name, func) int func(void);

-:248: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'T' - possible side-effects?
#248: FILE: drivers/dma-buf/selftest.h:25:
+#define subtests(T, data) \
+	__subtests(__func__, T, ARRAY_SIZE(T), data)

total: 1 errors, 8 warnings, 3 checks, 224 lines checked
92af2c1430bb dma-buf: Add selftests for dma-fence
-:35: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#35: 
new file mode 100644

-:40: WARNING:SPDX_LICENSE_TAG: Improper SPDX comment style for 'drivers/dma-buf/st-dma-fence.c', please use '//' instead
#40: FILE: drivers/dma-buf/st-dma-fence.c:1:
+/* SPDX-License-Identifier: MIT */

-:40: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#40: FILE: drivers/dma-buf/st-dma-fence.c:1:
+/* SPDX-License-Identifier: MIT */

-:60: WARNING:USE_SPINLOCK_T: struct spinlock should be spinlock_t
#60: FILE: drivers/dma-buf/st-dma-fence.c:21:
+	struct spinlock lock;

-:192: WARNING:MEMORY_BARRIER: memory barrier without comment
#192: FILE: drivers/dma-buf/st-dma-fence.c:153:
+	smp_store_mb(container_of(cb, struct simple_cb, cb)->seen, true);

-:500: WARNING:MEMORY_BARRIER: memory barrier without comment
#500: FILE: drivers/dma-buf/st-dma-fence.c:461:
+		smp_wmb();

-:511: WARNING:MEMORY_BARRIER: memory barrier without comment
#511: FILE: drivers/dma-buf/st-dma-fence.c:472:
+		smp_store_mb(cb.seen, false);

-:534: WARNING:MEMORY_BARRIER: memory barrier without comment
#534: FILE: drivers/dma-buf/st-dma-fence.c:495:
+		smp_wmb();

-:599: WARNING:EMBEDDED_FUNCTION_NAME: Prefer using '"%s...", __func__' to using 'dma_fence', this function's name, in a string
#599: FILE: drivers/dma-buf/st-dma-fence.c:560:
+	pr_info("sizeof(dma_fence)=%lu\n", sizeof(struct dma_fence));

total: 0 errors, 9 warnings, 0 checks, 584 lines checked
ccc4463bfea8 dma-fence: Set the timestamp after the notifying the cb_list