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authorTomi Valkeinen <tomi.valkeinen@nokia.com>2010-01-04 15:23:50 +0200
committerTomi Valkeinen <tomi.valkeinen@nokia.com>2010-01-11 13:32:57 +0200
commitfc248a497d83f5aba9d46d7ff114c070fb2a2fa2 (patch)
tree3b00d3374e3741dacb8289c17d6f2d0b46783976 /drivers/video/omap2/dss/rfbi.c
parent7475e44246e8a7c435a7ed8fe1e94fc8898685d9 (diff)
OMAP: DSS2: RFBI: convert to new kfifo API
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Diffstat (limited to 'drivers/video/omap2/dss/rfbi.c')
-rw-r--r--drivers/video/omap2/dss/rfbi.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index d0b3006ad8a5..b936495c065d 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -120,7 +120,7 @@ static struct {
struct omap_dss_device *dssdev[2];
- struct kfifo *cmd_fifo;
+ struct kfifo cmd_fifo;
spinlock_t cmd_lock;
struct completion cmd_done;
atomic_t cmd_fifo_full;
@@ -1011,20 +1011,20 @@ static void process_cmd_fifo(void)
return;
while (true) {
- spin_lock_irqsave(rfbi.cmd_fifo->lock, flags);
+ spin_lock_irqsave(&rfbi.cmd_lock, flags);
- len = __kfifo_get(rfbi.cmd_fifo, (unsigned char *)&p,
+ len = kfifo_out(&rfbi.cmd_fifo, (unsigned char *)&p,
sizeof(struct update_param));
if (len == 0) {
DSSDBG("nothing more in fifo\n");
atomic_set(&rfbi.cmd_pending, 0);
- spin_unlock_irqrestore(rfbi.cmd_fifo->lock, flags);
+ spin_unlock_irqrestore(&rfbi.cmd_lock, flags);
break;
}
/* DSSDBG("fifo full %d\n", rfbi.cmd_fifo_full.counter);*/
- spin_unlock_irqrestore(rfbi.cmd_fifo->lock, flags);
+ spin_unlock_irqrestore(&rfbi.cmd_lock, flags);
BUG_ON(len != sizeof(struct update_param));
BUG_ON(p.rfbi_module > 1);
@@ -1052,25 +1052,25 @@ static void rfbi_push_cmd(struct update_param *p)
unsigned long flags;
int available;
- spin_lock_irqsave(rfbi.cmd_fifo->lock, flags);
+ spin_lock_irqsave(&rfbi.cmd_lock, flags);
available = RFBI_CMD_FIFO_LEN_BYTES -
- __kfifo_len(rfbi.cmd_fifo);
+ kfifo_len(&rfbi.cmd_fifo);
/* DSSDBG("%d bytes left in fifo\n", available); */
if (available < sizeof(struct update_param)) {
DSSDBG("Going to wait because FIFO FULL..\n");
- spin_unlock_irqrestore(rfbi.cmd_fifo->lock, flags);
+ spin_unlock_irqrestore(&rfbi.cmd_lock, flags);
atomic_inc(&rfbi.cmd_fifo_full);
wait_for_completion(&rfbi.cmd_done);
/*DSSDBG("Woke up because fifo not full anymore\n");*/
continue;
}
- ret = __kfifo_put(rfbi.cmd_fifo, (unsigned char *)p,
+ ret = kfifo_in(&rfbi.cmd_fifo, (unsigned char *)p,
sizeof(struct update_param));
/* DSSDBG("pushed %d bytes\n", ret);*/
- spin_unlock_irqrestore(rfbi.cmd_fifo->lock, flags);
+ spin_unlock_irqrestore(&rfbi.cmd_lock, flags);
BUG_ON(ret != sizeof(struct update_param));
@@ -1155,12 +1155,12 @@ int rfbi_init(void)
{
u32 rev;
u32 l;
+ int r;
spin_lock_init(&rfbi.cmd_lock);
- rfbi.cmd_fifo = kfifo_alloc(RFBI_CMD_FIFO_LEN_BYTES, GFP_KERNEL,
- &rfbi.cmd_lock);
- if (IS_ERR(rfbi.cmd_fifo))
- return -ENOMEM;
+ r = kfifo_alloc(&rfbi.cmd_fifo, RFBI_CMD_FIFO_LEN_BYTES, GFP_KERNEL);
+ if (r)
+ return r;
init_completion(&rfbi.cmd_done);
atomic_set(&rfbi.cmd_fifo_full, 0);
@@ -1196,7 +1196,7 @@ void rfbi_exit(void)
{
DSSDBG("rfbi_exit\n");
- kfifo_free(rfbi.cmd_fifo);
+ kfifo_free(&rfbi.cmd_fifo);
iounmap(rfbi.base);
}

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