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Shutdown serial port in pony_spi

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Implement serial port shutdown both for regular termination and error
conditions in pony_spi.

Corresponding to flashrom svn r1952.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
This commit is contained in:
Carl-Daniel Hailfinger 2016-03-13 16:24:09 +00:00
parent 0be072cbe4
commit 8b6690ccbd
1 changed files with 17 additions and 0 deletions
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17
pony_spi.c
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@ -103,6 +103,18 @@ static const struct bitbang_spi_master bitbang_spi_master_pony = {
.half_period = 0, .half_period = 0,
}; };
static int pony_spi_shutdown(void *data)
{
/* Shut down serial port communication */
int ret = serialport_shutdown(NULL);
if (ret)
msg_pdbg("Pony SPI shutdown failed.\n");
else
msg_pdbg("Pony SPI shutdown completed.\n");
return ret;
}
int pony_spi_init(void) int pony_spi_init(void)
{ {
int i, data_out; int i, data_out;
@ -120,6 +132,11 @@ int pony_spi_init(void)
free(arg); free(arg);
return 1; return 1;
} }
if (register_shutdown(pony_spi_shutdown, NULL) != 0) {
free(arg);
serialport_shutdown(NULL);
return 1;
}
have_device++; have_device++;
} }
free(arg); free(arg);