448854c209
Rather than returning the error code for UART1 regardless of which interface had problems, we should return the error code for the interface that actually had an error. Pretty sure this was a simple copy-paste mistake.
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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Copyright (c) 2013 Adafruit
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Author: Justin Cooper
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "c_uart.h"
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#include "common.h"
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BBIO_err uart_setup(const char *dt)
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{
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return load_device_tree(dt);
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}
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BBIO_err uart_cleanup(void)
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{
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BBIO_err e1, e2, e3, e4, e5;
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e1 = unload_device_tree("ADAFRUIT-UART1");
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e2 = unload_device_tree("ADAFRUIT-UART2");
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e3 = unload_device_tree("ADAFRUIT-UART3");
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e4 = unload_device_tree("ADAFRUIT-UART4");
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e5 = unload_device_tree("ADAFRUIT-UART5");
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if (e1 != BBIO_OK)
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return e1;
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if (e2 != BBIO_OK)
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return e2;
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if (e3 != BBIO_OK)
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return e3;
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if (e4 != BBIO_OK)
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return e4;
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if (e5 != BBIO_OK)
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return e5;
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return BBIO_OK;
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}
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