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Merge branch 'fixes' into next

zero-sugar-mainline-defconfig
Vinod Koul 2020-09-22 20:18:32 +05:30
parent 52c74d3d35 ce65d55f92
commit d2dc9ab747
1 changed files with 21 additions and 5 deletions
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26
drivers/dma/dmatest.c
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@ -130,6 +130,7 @@ struct dmatest_params {
* @nr_channels: number of channels under test
* @lock: access protection to the fields of this structure
* @did_init: module has been initialized completely
* @last_error: test has faced configuration issues
*/
static struct dmatest_info {
/* Test parameters */
@ -138,6 +139,7 @@ static struct dmatest_info {
/* Internal state */
struct list_head channels;
unsigned int nr_channels;
int last_error;
struct mutex lock;
bool did_init;
} test_info = {
@ -1190,10 +1192,22 @@ static int dmatest_run_set(const char *val, const struct kernel_param *kp)
return ret;
} else if (dmatest_run) {
if (!is_threaded_test_pending(info)) {
pr_info("No channels configured, continue with any\n");
if (!is_threaded_test_run(info))
stop_threaded_test(info);
add_threaded_test(info);
/*
* We have nothing to run. This can be due to:
*/
ret = info->last_error;
if (ret) {
/* 1) Misconfiguration */
pr_err("Channel misconfigured, can't continue\n");
mutex_unlock(&info->lock);
return ret;
} else {
/* 2) We rely on defaults */
pr_info("No channels configured, continue with any\n");
if (!is_threaded_test_run(info))
stop_threaded_test(info);
add_threaded_test(info);
}
}
start_threaded_tests(info);
} else {
@ -1210,7 +1224,7 @@ static int dmatest_chan_set(const char *val, const struct kernel_param *kp)
struct dmatest_info *info = &test_info;
struct dmatest_chan *dtc;
char chan_reset_val[20];
int ret = 0;
int ret;
mutex_lock(&info->lock);
ret = param_set_copystring(val, kp);
@ -1265,12 +1279,14 @@ static int dmatest_chan_set(const char *val, const struct kernel_param *kp)
goto add_chan_err;
}
info->last_error = ret;
mutex_unlock(&info->lock);
return ret;
add_chan_err:
param_set_copystring(chan_reset_val, kp);
info->last_error = ret;
mutex_unlock(&info->lock);
return ret;