forked from ~ljy/RK356X_SDK_RELEASE
kernel/arch/arm/mach-sa1100/jornada720_ssp.c
.. .. @@ -1,5 +1,5 @@ 1 1 // SPDX-License-Identifier: GPL-2.0-only 2 2 3 3 * arch/arm/mac-sa1100/jornada720_ssp.c 4 4 * 5 5 * Copyright (C) 2006/2007 Kristoffer Ericson <Kristoffer.Ericson@gmail.com> .. .. @@ -26,6 +26,7 @@ 26 26 27 27 /** 28 28 * jornada_ssp_reverse - reverses input byte 29 29 30 * 30 31 * we need to reverse all data we receive from the mcu due to its physical location 31 32 * returns : 01110111 -> 11101110 .. .. @@ -46,6 +47,7 @@ 46 47 47 48 /** 48 49 * jornada_ssp_byte - waits for ready ssp bus and sends byte 50 49 51 * 50 52 * waits for fifo buffer to clear and then transmits, if it doesn't then we will 51 53 * timeout after <timeout> rounds. Needs mcu running before its called. .. .. @@ -77,6 +79,7 @@ 77 79 78 80 /** 79 81 * jornada_ssp_inout - decide if input is command or trading byte 82 80 83 * 81 84 * returns : (jornada_ssp_byte(byte)) on success 82 85 * : %-ETIMEDOUT on timeout failure
