[PATCH 02/17] media: camss: csiphy-3ph: disable interrupts

From: Jonathan Marek
Date: Tue Jun 08 2021 - 18:37:55 EST


The driver does nothing with the interrupts, so set the irq mask registers
to zero to avoid wasting CPU time for nothing.

Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>
---
.../qcom/camss/camss-csiphy-3ph-1-0.c | 35 ++-----------------
1 file changed, 3 insertions(+), 32 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
index 5948abdcd2206..783b65295d20b 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
@@ -352,38 +352,9 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy,
else if (csiphy->camss->version == CAMSS_845)
csiphy_gen2_config_lanes(csiphy, settle_cnt);

- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(11));
-
- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(12));
-
- val = 0xfb;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(13));
-
- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(14));
-
- val = 0x7f;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(15));
-
- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(16));
-
- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(17));
-
- val = 0xef;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(18));
-
- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(19));
-
- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(20));
-
- val = 0xff;
- writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(21));
+ /* IRQ_MASK registers - disable all interrupts */
+ for (i = 11; i < 22; i++)
+ writel_relaxed(0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(i));
}

static void csiphy_lanes_disable(struct csiphy_device *csiphy,
--
2.26.1