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| author | Douglas Anderson <dianders@chromium.org> | 2026-04-06 16:22:57 -0700 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2026-04-26 23:38:57 +0200 |
| commit | d99167df047a12cac636188f994a9e8f1f9779ab (patch) | |
| tree | 6fe158ab32f4b774fea60729ff4a9332e8ca8b99 /include/linux/dma-mapping.h | |
| parent | 7fa1e85cfe6844cd7b09cb8288e5fb68952c88f7 (diff) | |
| download | linux-d99167df047a12cac636188f994a9e8f1f9779ab.tar.gz linux-d99167df047a12cac636188f994a9e8f1f9779ab.zip | |
driver core: Replace dev->dma_skip_sync with dev_dma_skip_sync()
In C, bitfields are not necessarily safe to modify from multiple
threads without locking. Switch "dma_skip_sync" over to the "flags"
field so modifications are safe.
Cc: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patch.msgid.link/20260406162231.v5.4.Icf072aa4184dd86a88fa8ca195b09d1651984000@changeid
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index db8ab24a54f4..cc0823a99cfd 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -429,7 +429,7 @@ bool __dma_need_sync(struct device *dev, dma_addr_t dma_addr); static inline bool dma_dev_need_sync(const struct device *dev) { /* Always call DMA sync operations when debugging is enabled */ - return !dev->dma_skip_sync || IS_ENABLED(CONFIG_DMA_API_DEBUG); + return !dev_dma_skip_sync(dev) || IS_ENABLED(CONFIG_DMA_API_DEBUG); } static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t addr, |