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OMAP: DSS2: DSI: add dsi_bus_is_locked()

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Helper function to clean up the checking of the bus lock.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
This commit is contained in:
Tomi Valkeinen 2010-01-18 16:27:52 +02:00
parent 2f18c4d898
commit 4f76502374
1 changed files with 9 additions and 4 deletions
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13
drivers/video/omap2/dss/dsi.c
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@ -309,6 +309,11 @@ void dsi_bus_unlock(void)
}
EXPORT_SYMBOL(dsi_bus_unlock);
static bool dsi_bus_is_locked(void)
{
return mutex_is_locked(&dsi.bus_lock);
}
static inline int wait_for_bit_change(const struct dsi_reg idx, int bitnum,
int value)
{
@ -1959,7 +1964,7 @@ static int dsi_vc_send_bta(int channel)
(dsi.debug_write || dsi.debug_read))
DSSDBG("dsi_vc_send_bta %d\n", channel);
WARN_ON(!mutex_is_locked(&dsi.bus_lock));
WARN_ON(!dsi_bus_is_locked());
if (REG_GET(DSI_VC_CTRL(channel), 20, 20)) { /* RX_FIFO_NOT_EMPTY */
DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
@ -2010,7 +2015,7 @@ static inline void dsi_vc_write_long_header(int channel, u8 data_type,
u32 val;
u8 data_id;
WARN_ON(!mutex_is_locked(&dsi.bus_lock));
WARN_ON(!dsi_bus_is_locked());
/*data_id = data_type | channel << 6; */
data_id = data_type | dsi.vc[channel].dest_per << 6;
@ -2105,7 +2110,7 @@ static int dsi_vc_send_short(int channel, u8 data_type, u16 data, u8 ecc)
u32 r;
u8 data_id;
WARN_ON(!mutex_is_locked(&dsi.bus_lock));
WARN_ON(!dsi_bus_is_locked());
if (dsi.debug_write)
DSSDBG("dsi_vc_send_short(ch%d, dt %#x, b1 %#x, b2 %#x)\n",
@ -2895,7 +2900,7 @@ static int dsi_set_update_mode(struct omap_dss_device *dssdev,
int r = 0;
int i;
WARN_ON(!mutex_is_locked(&dsi.bus_lock));
WARN_ON(!dsi_bus_is_locked());
if (dsi.update_mode != mode) {
dsi.update_mode = mode;