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add wrappers to pacify Sparse

This commit is contained in:
Ralph Metzler 2018-05-28 16:41:11 +02:00
parent e13cec82e4
commit 192a4ad20d
1 changed files with 47 additions and 15 deletions
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62
ddbridge/ddbridge-core.c
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@ -449,13 +449,12 @@ static void calc_con(struct ddb_output *output, u32 *con, u32 *con2, u32 flags)
*con2 = (nco << 16) | gap;
}
static void ddb_output_start(struct ddb_output *output)
static void ddb_output_start_unlocked(struct ddb_output *output)
{
struct ddb *dev = output->port->dev;
u32 con = 0x11c, con2 = 0;
if (output->dma) {
spin_lock_irq(&output->dma->lock);
output->dma->cbuf = 0;
output->dma->coff = 0;
output->dma->stat = 0;
@ -485,16 +484,24 @@ static void ddb_output_start(struct ddb_output *output)
ddbwritel(dev, con | 1, TS_CONTROL(output));
if (output->dma) {
output->dma->running = 1;
spin_unlock_irq(&output->dma->lock);
}
}
static void ddb_output_stop(struct ddb_output *output)
static void ddb_output_start(struct ddb_output *output)
{
if (output->dma) {
spin_lock_irq(&output->dma->lock);
ddb_output_start_unlocked(output);
spin_unlock_irq(&output->dma->lock);
} else {
ddb_output_start_unlocked(output);
}
}
static void ddb_output_stop_unlocked(struct ddb_output *output)
{
struct ddb *dev = output->port->dev;
if (output->dma)
spin_lock_irq(&output->dma->lock);
if (output->port->class == DDB_PORT_MOD)
ddbridge_mod_output_stop(output);
else
@ -502,34 +509,49 @@ static void ddb_output_stop(struct ddb_output *output)
if (output->dma) {
ddbwritel(dev, 0, DMA_BUFFER_CONTROL(output->dma));
output->dma->running = 0;
spin_unlock_irq(&output->dma->lock);
}
}
static void ddb_input_stop(struct ddb_input *input)
static void ddb_output_stop(struct ddb_output *output)
{
if (output->dma) {
spin_lock_irq(&output->dma->lock);
ddb_output_stop_unlocked(output);
spin_unlock_irq(&output->dma->lock);
} else {
ddb_output_stop_unlocked(output);
}
}
static void ddb_input_stop_unlocked(struct ddb_input *input)
{
struct ddb *dev = input->port->dev;
u32 tag = DDB_LINK_TAG(input->port->lnr);
if (input->dma)
spin_lock_irq(&input->dma->lock);
ddbwritel(dev, 0, tag | TS_CONTROL(input));
if (input->dma) {
ddbwritel(dev, 0, DMA_BUFFER_CONTROL(input->dma));
input->dma->running = 0;
spin_unlock_irq(&input->dma->lock);
}
/*printk("input_stop %u.%u.%u\n",
* dev->nr, input->port->lnr, input->nr);
*/
}
static void ddb_input_start(struct ddb_input *input)
static void ddb_input_stop(struct ddb_input *input)
{
if (input->dma) {
spin_lock_irq(&input->dma->lock);
ddb_input_stop_unlocked(input);
spin_unlock_irq(&input->dma->lock);
} else {
ddb_input_stop_unlocked(input);
}
}
static void ddb_input_start_unlocked(struct ddb_input *input)
{
struct ddb *dev = input->port->dev;
if (input->dma) {
spin_lock_irq(&input->dma->lock);
input->dma->cbuf = 0;
input->dma->coff = 0;
input->dma->stat = 0;
@ -554,7 +576,17 @@ static void ddb_input_start(struct ddb_input *input)
ddbwritel(dev, 0x000fff01, TS_CONTROL2(input));
if (input->dma) {
input->dma->running = 1;
}
}
static void ddb_input_start(struct ddb_input *input)
{
if (input->dma) {
spin_lock_irq(&input->dma->lock);
ddb_input_start_unlocked(input);
spin_unlock_irq(&input->dma->lock);
} else {
ddb_input_start_unlocked(input);
}
}