]> www.infradead.org Git - users/jedix/linux-maple.git/commit
dma-mapping: avoid potential unused data compilation warning
authorMarek Szyprowski <m.szyprowski@samsung.com>
Tue, 15 Apr 2025 07:56:59 +0000 (09:56 +0200)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Thu, 17 Apr 2025 05:44:35 +0000 (07:44 +0200)
commitc9b19ea63036fc537a69265acea1b18dabd1cbd3
treeb45b58d2acb7502a410520aa5e2eb7b5e1889442
parent2042c352e21d19eaf5f9e22fb6afce72293ef28c
dma-mapping: avoid potential unused data compilation warning

When CONFIG_NEED_DMA_MAP_STATE is not defined, dma-mapping clients might
report unused data compilation warnings for dma_unmap_*() calls
arguments. Redefine macros for those calls to let compiler to notice that
it is okay when the provided arguments are not used.

Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250415075659.428549-1-m.szyprowski@samsung.com
include/linux/dma-mapping.h