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authorJiaxun Yang <[email protected]>2024-05-17 19:14:52 +0100
committerTom Rini <[email protected]>2025-04-22 15:08:47 -0600
commit8daa1fadc2c45bc954537a70942674e0a4cf85a8 (patch)
treeed36e0476006253fd113abf8aaeb1d7fb37ac0b0 /include/linux
parent1864dfb1c457e090d2e84d14ee56d9579a898e7f (diff)
ahci: DMA addressing fixes
Ensure that we are using correct physical/virtual address for DMA buffer write and hardware register settings. The convention is: in ahci_ioports all pointers are virtual, that will be converted to physical address when writing to hardware registers or into sg/cmd_tbl. Also fixed 64bit physical address support for dwc_ahsata, ensure higher bits are written into registers/sg properly. Use memalign for allocating aligned buffer in dwc_ahsata so we don't have to do our own alignment in driver. Signed-off-by: Jiaxun Yang <[email protected]>
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