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serial: 8250: 8250_omap: Add DMA support for UARTs on K3 SoCs
authorVignesh Raghavendra <vigneshr@ti.com>
Thu, 19 Mar 2020 11:03:44 +0000 (16:33 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 24 Mar 2020 11:25:11 +0000 (12:25 +0100)
commitc26389f998a865e5eb37e0c90d3a6ded2d2d513b
tree98850759a8dcd24059e2f9313a76c9bc08489c0ctree | snapshot
parentc6689dfd877991f5415628c3ad04d4df9c1cf646commit | diff
serial: 8250: 8250_omap: Add DMA support for UARTs on K3 SoCs

UART on K3 SoCs has configurable RX timeout behavior (controlled via
EFR2) and better DMA integration. This allows to transfer as larger
amount data per DMA transfer compared to older SoCs.  Add support for
the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20200319110344.21348-7-vigneshr@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_omap.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git