Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* cxd2880_integ.c
|
|
* Sony CXD2880 DVB-T2/T tuner + demodulator driver
|
|
* integration layer common functions
|
|
*
|
|
* Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
|
|
*/
|
|
|
|
#include <linux/ktime.h>
|
|
#include <linux/errno.h>
|
|
|
|
#include "cxd2880_tnrdmd.h"
|
|
#include "cxd2880_tnrdmd_mon.h"
|
|
#include "cxd2880_integ.h"
|
|
|
|
int cxd2880_integ_init(struct cxd2880_tnrdmd *tnr_dmd)
|
|
{
|
|
int ret;
|
|
ktime_t start;
|
|
u8 cpu_task_completed = 0;
|
|
|
|
if (!tnr_dmd)
|
|
return -EINVAL;
|
|
|
|
ret = cxd2880_tnrdmd_init1(tnr_dmd);
|
|
if (ret)
|
|
return ret;
|
|
|
|
start = ktime_get();
|
|
|
|
while (1) {
|
|
ret =
|
|
cxd2880_tnrdmd_check_internal_cpu_status(tnr_dmd,
|
|
&cpu_task_completed);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (cpu_task_completed)
|
|
break;
|
|
|
|
if (ktime_to_ms(ktime_sub(ktime_get(), start)) >
|
|
CXD2880_TNRDMD_WAIT_INIT_TIMEOUT)
|
|
return -ETIMEDOUT;
|
|
|
|
usleep_range(CXD2880_TNRDMD_WAIT_INIT_INTVL,
|
|
CXD2880_TNRDMD_WAIT_INIT_INTVL + 1000);
|
|
}
|
|
|
|
return cxd2880_tnrdmd_init2(tnr_dmd);
|
|
}
|
|
|
|
int cxd2880_integ_cancel(struct cxd2880_tnrdmd *tnr_dmd)
|
|
{
|
|
if (!tnr_dmd)
|
|
return -EINVAL;
|
|
|
|
atomic_set(&tnr_dmd->cancel, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cxd2880_integ_check_cancellation(struct cxd2880_tnrdmd *tnr_dmd)
|
|
{
|
|
if (!tnr_dmd)
|
|
return -EINVAL;
|
|
|
|
if (atomic_read(&tnr_dmd->cancel) != 0)
|
|
return -ECANCELED;
|
|
|
|
return 0;
|
|
}
|