[PATCH 5/8] drm/exynos/fimc: simplify irq masking function

From: Andrzej Hajda
Date: Mon May 19 2014 - 06:56:04 EST


The name fimc_handle_irq suggests it is irq handler, but the function
is for irq mask configuration. The patch renames the function to
fimc_mask_irq and removes unused arguments.

Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_fimc.c | 25 +++++++++----------------
1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index d40b7fb..409775f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -290,25 +290,18 @@ static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
fimc_write(cfg, EXYNOS_CIGCTRL);
}

-static void fimc_handle_irq(struct fimc_context *ctx, bool enable,
- bool overflow, bool level)
+static void fimc_mask_irq(struct fimc_context *ctx, bool enable)
{
u32 cfg;

- DRM_DEBUG_KMS("enable[%d]overflow[%d]level[%d]\n",
- enable, overflow, level);
+ DRM_DEBUG_KMS("enable[%d]\n", enable);

cfg = fimc_read(EXYNOS_CIGCTRL);
if (enable) {
- cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_LEVEL);
- cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE;
- if (overflow)
- cfg |= EXYNOS_CIGCTRL_IRQ_OVFEN;
- if (level)
- cfg |= EXYNOS_CIGCTRL_IRQ_LEVEL;
+ cfg &= ~EXYNOS_CIGCTRL_IRQ_OVFEN;
+ cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE | EXYNOS_CIGCTRL_IRQ_LEVEL;
} else
- cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_ENABLE);
-
+ cfg &= ~EXYNOS_CIGCTRL_IRQ_ENABLE;
fimc_write(cfg, EXYNOS_CIGCTRL);
}

@@ -1180,12 +1173,12 @@ static int fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
/* interrupt enable */
if (buf_type == IPP_BUF_ENQUEUE &&
fimc_dst_get_buf_seq(ctx) >= FIMC_BUF_START)
- fimc_handle_irq(ctx, true, false, true);
+ fimc_mask_irq(ctx, true);

/* interrupt disable */
if (buf_type == IPP_BUF_DEQUEUE &&
fimc_dst_get_buf_seq(ctx) <= FIMC_BUF_STOP)
- fimc_handle_irq(ctx, false, false, true);
+ fimc_mask_irq(ctx, false);

err_unlock:
mutex_unlock(&ctx->lock);
@@ -1520,7 +1513,7 @@ static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)

property = &c_node->property;

- fimc_handle_irq(ctx, true, false, true);
+ fimc_mask_irq(ctx, true);

for_each_ipp_ops(i) {
config = &property->config[i];
@@ -1639,7 +1632,7 @@ static void fimc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)
break;
}

- fimc_handle_irq(ctx, false, false, true);
+ fimc_mask_irq(ctx, false);

/* reset sequence */
fimc_write(0x0, EXYNOS_CIFCNTSEQ);
--
1.9.1

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