The use of the spin lock, which supposed to protect the the
dma_op_mode causing "INFO: inconsistent lock state" on
playback start.
Remove the spin locks around the dma_op_mode, when it's
purpuse is to protect the dma_op_mode.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
---
arch/arm/plat-omap/mcbsp.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 88ac976..9b33671 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -298,9 +298,7 @@ int omap_mcbsp_get_dma_op_mode(unsigned int id)
}
mcbsp = id_to_mcbsp_ptr(id);
- spin_lock_irq(&mcbsp->lock);
dma_op_mode = mcbsp->dma_op_mode;
- spin_unlock_irq(&mcbsp->lock);
return dma_op_mode;
}
@@ -318,7 +316,6 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
syscon = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON);
syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03));
- spin_lock_irq(&mcbsp->lock);
if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) {
syscon |= (ENAWAKEUP | SIDLEMODE(0x02) |
CLOCKACTIVITY(0x02));
@@ -327,7 +324,6 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
} else {
syscon |= SIDLEMODE(0x01);
}
- spin_unlock_irq(&mcbsp->lock);
OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon);
}
@@ -1145,9 +1141,7 @@ static ssize_t dma_op_mode_show(struct device *dev,
ssize_t len = 0;
const char * const *s;
- spin_lock_irq(&mcbsp->lock);
dma_op_mode = mcbsp->dma_op_mode;
- spin_unlock_irq(&mcbsp->lock);
for (s = &dma_op_modes[i]; i < ARRAY_SIZE(dma_op_modes); s++, i++) {
if (dma_op_mode == i)
--
1.6.5.1
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