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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-08-30 22:18:22 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-08-31 08:46:05 +0200 |
| commit | dd0b5b9e8968480e230cf825de3e558a2ee624ad (patch) | |
| tree | 66352976458f1f4d7fb8b294490a9674ee41ab5a /include/driver.h | |
| parent | 06e9ae9b109f0748d0cfa4c7fa35dc904a367f56 (diff) | |
| download | barebox-dd0b5b9e8968480e230cf825de3e558a2ee624ad.tar.gz barebox-dd0b5b9e8968480e230cf825de3e558a2ee624ad.tar.xz | |
driver: Adopt DMA mask concept from Linux
In order to be able to detect cases where DMA isn't capable of
reaching every memory address, port the concept of DMA mask,
dma_set_mask() function and add appropriate check to
dma_mapping_error().
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/driver.h')
| -rw-r--r-- | include/driver.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/driver.h b/include/driver.h index 91653b7946..1b61f20660 100644 --- a/include/driver.h +++ b/include/driver.h @@ -82,6 +82,8 @@ struct device_d { const struct of_device_id *of_id_entry; + u64 dma_mask; + void (*info) (struct device_d *); /* * For devices which take longer to probe this is called |