greybus: uart: kmalloc for send_data once only

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Make kmalloc for the send buffer a one time alloc based on the MTU for
a given greybus link.

The write_room for an gb_operation_sync then will be the size of the
buffer we use for a single operation.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Bryan O'Donoghue 2015-06-02 13:40:49 +01:00 • committed by Greg Kroah-Hartman

parent 563bd79b2d

commit dd1c64ede9

1 changed files with 22 additions and 11 deletions

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33

drivers/staging/greybus/uart.c

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