[PATCH] gpu: ipu-v3: remove interrupt busy waiting routine
Philipp Zabel
p.zabel at pengutronix.de
Tue Jun 6 10:02:26 UTC 2017
This is not used anymore since commit eb8c88808c83 ("drm/imx: add
deferred plane disabling"), remove it.
Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
---
drivers/gpu/ipu-v3/ipu-common.c | 16 ----------------
drivers/gpu/ipu-v3/ipu-prv.h | 1 -
2 files changed, 17 deletions(-)
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 61310f8be3099..22e0a3eca7b1d 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -597,22 +597,6 @@ int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms)
}
EXPORT_SYMBOL_GPL(ipu_idmac_wait_busy);
-int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms)
-{
- unsigned long timeout;
-
- timeout = jiffies + msecs_to_jiffies(ms);
- ipu_cm_write(ipu, BIT(irq % 32), IPU_INT_STAT(irq / 32));
- while (!(ipu_cm_read(ipu, IPU_INT_STAT(irq / 32) & BIT(irq % 32)))) {
- if (time_after(jiffies, timeout))
- return -ETIMEDOUT;
- cpu_relax();
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(ipu_wait_interrupt);
-
int ipu_idmac_disable_channel(struct ipuv3_channel *channel)
{
struct ipu_soc *ipu = channel->ipu;
diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h
index b6e22d64159fa..ac4b8d6585008 100644
--- a/drivers/gpu/ipu-v3/ipu-prv.h
+++ b/drivers/gpu/ipu-v3/ipu-prv.h
@@ -225,7 +225,6 @@ int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno);
-int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms);
int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
unsigned long base, u32 module, struct clk *clk_ipu);
--
2.11.0
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