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Code Issues Releases Wiki Activity

mec1308.c: Untangle successful vs failed init paths

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Label mec1308_init_exit now serves as failed init path, it does
cleanup and returns 1, so it is renamed into init_err_exit.

Since all error paths return 1, and successful init is separated
from failure, there is no need to have ret variable anymore.

TEST=builds and ninja test from 51487
BUG=b:185191942

Change-Id: Ibf35335501e59636c544af124ad7a04a186790b4
Signed-off-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/52596
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Anastasia Klimchuk 2021-04-26 15:10:34 +10:00 committed by Nico Huber
parent 914aa7e60e
commit 8baf98d2ea
1 changed files with 16 additions and 27 deletions
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43
mec1308.c
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@ -426,7 +426,6 @@ int mec1308_init(void)
uint16_t sio_port;
uint8_t device_id;
uint8_t tmp8;
int ret = 0;
mec1308_data_t *ctx_data = NULL;
msg_pdbg("%s(): entered\n", __func__);
@ -437,15 +436,12 @@ int mec1308_init(void)
return 1;
}
if (check_params()) {
ret = 1;
goto mec1308_init_exit;
}
if (check_params())
goto init_err_exit;
if (mec1308_get_sio_index(ctx_data, &sio_port) < 0) {
msg_pdbg("MEC1308 not found (probe failed).\n");
ret = 1;
goto mec1308_init_exit;
goto init_err_exit;
}
device_id = sio_read(sio_port, MEC1308_DEVICE_ID_REG);
switch(device_id) {
@ -461,8 +457,7 @@ int mec1308_init(void)
break;
default:
msg_pdbg("MEC1308 not found\n");
ret = 1;
goto mec1308_init_exit;
goto init_err_exit;
}
/*
@ -486,28 +481,23 @@ int mec1308_init(void)
* command to finish.*/
if (mbx_wait(ctx_data) != 0) {
msg_perr("%s: mailbox is not available\n", __func__);
ret = 1;
goto mec1308_init_exit;
goto init_err_exit;
}
/* Further setup -- disable SMI and ACPI.
FIXME: is there an ordering dependency? */
if (mbx_write(ctx_data, MEC1308_MBX_CMD, MEC1308_CMD_ACPI_DISABLE)) {
msg_pdbg("%s: unable to disable ACPI\n", __func__);
ret = 1;
goto mec1308_init_exit;
goto init_err_exit;
}
if (mbx_write(ctx_data, MEC1308_MBX_CMD, MEC1308_CMD_SMI_DISABLE)) {
msg_pdbg("%s: unable to disable SMI\n", __func__);
ret = 1;
goto mec1308_init_exit;
goto init_err_exit;
}
if (register_shutdown(mec1308_shutdown, ctx_data)) {
ret = 1;
goto mec1308_init_exit;
}
if (register_shutdown(mec1308_shutdown, ctx_data))
goto init_err_exit;
/*
* Enter SPI Pass-Thru Mode after commands which do not require access
@ -516,19 +506,18 @@ int mec1308_init(void)
*/
mec1308_exit_passthru_mode(ctx_data);
if (enter_passthru_mode(ctx_data)) {
ret = 1;
goto mec1308_init_exit;
}
if (enter_passthru_mode(ctx_data))
goto init_err_exit;
internal_buses_supported |= BUS_LPC; /* for LPC <--> SPI bridging */
spi_master_mec1308.data = ctx_data;
register_spi_master(&spi_master_mec1308);
msg_pdbg("%s(): successfully initialized mec1308\n", __func__);
mec1308_init_exit:
if (ret)
free(ctx_data);
return ret;
return 0;
init_err_exit:
free(ctx_data);
return 1;
}
#endif