path: root/Documentation/serial
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authorMayank Rana <>2011-03-07 10:28:42 +0530
committerGreg Kroah-Hartman <>2011-03-07 12:08:05 -0800
commit550462378515a82279e07f12e2c105f617f112f8 (patch)
treec3a98269a5d61da1530d0c9e9fe56b4b9af28868 /Documentation/serial
parent00bff392c81e4fb1901e5160fdd5afdb2546a6ab (diff)
serial: msm_serial_hs: Add MSM high speed UART driver
This driver supports UART-DM HW on MSM platforms. It uses the on chip DMA to drive data transfers and has optional support for UART power management independent of Linux suspend/resume and wakeup from Rx. The driver was originally developed by Google. It is functionally equivalent to the version available at: the differences being: 1) Remove wakelocks and change unsupported DMA API. 2) Replace clock selection register codes by macros. 3) Fix checkpatch errors and add inline documentation. 4) Add runtime PM hooks for active power state transitions. 5) Handle error path and cleanup resources if required. CC: Nick Pelly <> Signed-off-by: Sankalp Bose <> Signed-off-by: Mayank Rana <> Signed-off-by: Greg Kroah-Hartman <>
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