We don't need to stash away 'isr' in the aux structure to pass to two
functions. Let's use a local variable instead. And we can complete the
completion variable in one place instead of two to simplify the code.
Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Cc: Abhinav Kumar <abhinavk@xxxxxxxxxxxxxx>
Cc: Kuogee Hsieh <khsieh@xxxxxxxxxxxxxx>
Cc: aravindh@xxxxxxxxxxxxxx
Cc: Sean Paul <sean@xxxxxxxxxx>
Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/dp/dp_aux.c | 22 ++++++++--------------
drivers/gpu/drm/msm/dp/dp_catalog.c | 2 +-
drivers/gpu/drm/msm/dp/dp_catalog.h | 2 +-
3 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp/dp_aux.c
index 7c22bfe0fc7d..91188466cece 100644
--- a/drivers/gpu/drm/msm/dp/dp_aux.c
+++ b/drivers/gpu/drm/msm/dp/dp_aux.c
@@ -27,7 +27,6 @@ struct dp_aux_private {
bool no_send_stop;
u32 offset;
u32 segment;
- u32 isr;
struct drm_dp_aux dp_aux;
};
@@ -181,10 +180,8 @@ static void dp_aux_cmd_fifo_rx(struct dp_aux_private *aux,
}
}
-static void dp_aux_native_handler(struct dp_aux_private *aux)
+static void dp_aux_native_handler(struct dp_aux_private *aux, u32 isr)
{
- u32 isr = aux->isr;
-
if (isr & DP_INTR_AUX_I2C_DONE)
aux->aux_error_num = DP_AUX_ERR_NONE;
else if (isr & DP_INTR_WRONG_ADDR)
@@ -197,14 +194,10 @@ static void dp_aux_native_handler(struct dp_aux_private *aux)
aux->aux_error_num = DP_AUX_ERR_PHY;
dp_catalog_aux_clear_hw_interrupts(aux->catalog);
}
-
- complete(&aux->comp);
}
-static void dp_aux_i2c_handler(struct dp_aux_private *aux)
+static void dp_aux_i2c_handler(struct dp_aux_private *aux, u32 isr)
{
- u32 isr = aux->isr;
-
if (isr & DP_INTR_AUX_I2C_DONE) {
if (isr & (DP_INTR_I2C_NACK | DP_INTR_I2C_DEFER))
aux->aux_error_num = DP_AUX_ERR_NACK;
@@ -226,8 +219,6 @@ static void dp_aux_i2c_handler(struct dp_aux_private *aux)
dp_catalog_aux_clear_hw_interrupts(aux->catalog);
}
}
-
- complete(&aux->comp);
}
static void dp_aux_update_offset_and_segment(struct dp_aux_private *aux,
@@ -412,6 +403,7 @@ static ssize_t dp_aux_transfer(struct drm_dp_aux *dp_aux,
void dp_aux_isr(struct drm_dp_aux *dp_aux)
{
+ u32 isr;
struct dp_aux_private *aux;
if (!dp_aux) {
@@ -421,15 +413,17 @@ void dp_aux_isr(struct drm_dp_aux *dp_aux)
aux = container_of(dp_aux, struct dp_aux_private, dp_aux);
- aux->isr = dp_catalog_aux_get_irq(aux->catalog);
+ isr = dp_catalog_aux_get_irq(aux->catalog);
if (!aux->cmd_busy)
return;
if (aux->native)
- dp_aux_native_handler(aux);
+ dp_aux_native_handler(aux, isr);
else
- dp_aux_i2c_handler(aux);
+ dp_aux_i2c_handler(aux, isr);
+
+ complete(&aux->comp);
}
void dp_aux_reconfig(struct drm_dp_aux *dp_aux)
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c
index b1a9b1b98f5f..a70c238f34b0 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -292,7 +292,7 @@ void dp_catalog_dump_regs(struct dp_catalog *dp_catalog)
dump_regs(catalog->io->dp_controller.base + offset, len);
}
-int dp_catalog_aux_get_irq(struct dp_catalog *dp_catalog)
+u32 dp_catalog_aux_get_irq(struct dp_catalog *dp_catalog)
{
struct dp_catalog_private *catalog = container_of(dp_catalog,
struct dp_catalog_private, dp_catalog);
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h
index 176a9020a520..502bc0dc7787 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.h
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.h
@@ -80,7 +80,7 @@ int dp_catalog_aux_clear_hw_interrupts(struct dp_catalog *dp_catalog);
void dp_catalog_aux_reset(struct dp_catalog *dp_catalog);
void dp_catalog_aux_enable(struct dp_catalog *dp_catalog, bool enable);
void dp_catalog_aux_update_cfg(struct dp_catalog *dp_catalog);
-int dp_catalog_aux_get_irq(struct dp_catalog *dp_catalog);
+u32 dp_catalog_aux_get_irq(struct dp_catalog *dp_catalog);
/* DP Controller APIs */
void dp_catalog_ctrl_state_ctrl(struct dp_catalog *dp_catalog, u32 state);
--
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