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uart.c: make use of no_bus_mux flag

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This patch makes use of no_bus_mux flag in mraa_board_t to skip
unnessary mux checks.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Srinivas Kandagatla
2015-12-11 16:28:18 +00:00
committed by Brendan Le Foll
parent 5e0c6d3807
commit 38aa9e8fe6
1 changed files with 15 additions and 13 deletions
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28
src/uart/uart.c
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@@ -152,22 +152,24 @@ mraa_uart_init(int index)
return NULL;
}
int pos = plat->uart_dev[index].rx;
if (pos >= 0) {
if (plat->pins[pos].uart.mux_total > 0) {
if (mraa_setup_mux_mapped(plat->pins[pos].uart) != MRAA_SUCCESS) {
syslog(LOG_ERR, "uart: failed to setup muxes for RX pin");
return NULL;
if (!plat->no_bus_mux) {
int pos = plat->uart_dev[index].rx;
if (pos >= 0) {
if (plat->pins[pos].uart.mux_total > 0) {
if (mraa_setup_mux_mapped(plat->pins[pos].uart) != MRAA_SUCCESS) {
syslog(LOG_ERR, "uart: failed to setup muxes for RX pin");
return NULL;
}
}
}
}
pos = plat->uart_dev[index].tx;
if (pos >= 0) {
if (plat->pins[pos].uart.mux_total > 0) {
if (mraa_setup_mux_mapped(plat->pins[pos].uart) != MRAA_SUCCESS) {
syslog(LOG_ERR, "uart: failed to setup muxes for TX pin");
return NULL;
pos = plat->uart_dev[index].tx;
if (pos >= 0) {
if (plat->pins[pos].uart.mux_total > 0) {
if (mraa_setup_mux_mapped(plat->pins[pos].uart) != MRAA_SUCCESS) {
syslog(LOG_ERR, "uart: failed to setup muxes for TX pin");
return NULL;
}
}
}
}