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| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2022-10-25 12:02:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-16 09:58:28 +0100 |
| commit | 4e28674a0ecd8c068d0665e4b0e4300e9957d9eb (patch) | |
| tree | c729b0b31af4490df296b7a2d056377e0561b036 | |
| parent | 49eba53137f58b0ffc7374f61900677180730920 (diff) | |
| download | linux-4e28674a0ecd8c068d0665e4b0e4300e9957d9eb.tar.gz linux-4e28674a0ecd8c068d0665e4b0e4300e9957d9eb.tar.bz2 linux-4e28674a0ecd8c068d0665e4b0e4300e9957d9eb.zip | |
dmaengine: at_hdmac: Fix at_lli struct definition
commit f1171bbdd2ba2a50ee64bb198a78c268a5baf5f1 upstream.
Those hardware registers are all of 32 bits, while dma_addr_t ca be of
type u64 or u32 depending on CONFIG_ARCH_DMA_ADDR_T_64BIT. Force u32 to
comply with what the hardware expects.
Fixes: dc78baa2b90b ("dmaengine: at_hdmac: new driver for the Atmel AHB DMA Controller")
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Cc: stable@vger.kernel.org
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20221025090306.297886-1-tudor.ambarus@microchip.com
Link: https://lore.kernel.org/r/20221025090306.297886-2-tudor.ambarus@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/dma/at_hdmac_regs.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index 4d1ebc040031..d4d382d74607 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -186,13 +186,13 @@ /* LLI == Linked List Item; aka DMA buffer descriptor */ struct at_lli { /* values that are not changed by hardware */ - dma_addr_t saddr; - dma_addr_t daddr; + u32 saddr; + u32 daddr; /* value that may get written back: */ - u32 ctrla; + u32 ctrla; /* more values that are not changed by hardware */ - u32 ctrlb; - dma_addr_t dscr; /* chain to next lli */ + u32 ctrlb; + u32 dscr; /* chain to next lli */ }; /** |