Since this sequence strictly touches ISP global registers, it's
not really part of the same register address space than the CCDC.

Do this check in main isp code instead.

Signed-off-by: Sergio Aguirre <saagui...@ti.com>
---
 drivers/media/video/isp/isp.c     |   24 ++++++++++++++++++++++++
 drivers/media/video/isp/isp.h     |    2 ++
 drivers/media/video/isp/ispccdc.c |   26 +-------------------------
 3 files changed, 27 insertions(+), 25 deletions(-)

diff --git a/drivers/media/video/isp/isp.c b/drivers/media/video/isp/isp.c
index 2e5030f..ee45eb6 100644
--- a/drivers/media/video/isp/isp.c
+++ b/drivers/media/video/isp/isp.c
@@ -339,6 +339,30 @@ void isphist_dma_done(struct isp_device *isp)
        }
 }
 
+int ispccdc_lsc_wait_prefetch(struct isp_device *isp)
+{
+       unsigned int wait;
+
+       isp_reg_writel(isp, IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ,
+                      OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
+
+       /* timeout 1 ms */
+       for (wait = 0; wait < 1000; wait++) {
+               if (isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS) &
+                                 IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ) {
+                       isp_reg_writel(isp, IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ,
+                                      OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
+                       return 0;
+               }
+
+               rmb();
+               udelay(1);
+       }
+
+       return -ETIMEDOUT;
+}
+
+
 static inline void isp_isr_dbg(struct isp_device *isp, u32 irqstatus)
 {
        static const char *name[] = {
diff --git a/drivers/media/video/isp/isp.h b/drivers/media/video/isp/isp.h
index 1260e9f..d0b7b0f 100644
--- a/drivers/media/video/isp/isp.h
+++ b/drivers/media/video/isp/isp.h
@@ -280,6 +280,8 @@ struct isp_device {
 
 void isphist_dma_done(struct isp_device *isp);
 
+int ispccdc_lsc_wait_prefetch(struct isp_device *isp);
+
 void isp_flush(struct isp_device *isp);
 
 int isp_pipeline_set_stream(struct isp_pipeline *pipe,
diff --git a/drivers/media/video/isp/ispccdc.c 
b/drivers/media/video/isp/ispccdc.c
index 4244edf..b039bce 100644
--- a/drivers/media/video/isp/ispccdc.c
+++ b/drivers/media/video/isp/ispccdc.c
@@ -223,30 +223,6 @@ static void ispccdc_lsc_setup_regs(struct isp_ccdc_device 
*ccdc,
                       ISPCCDC_LSC_INITIAL);
 }
 
-static int ispccdc_lsc_wait_prefetch(struct isp_ccdc_device *ccdc)
-{
-       struct isp_device *isp = to_isp_device(ccdc);
-       unsigned int wait;
-
-       isp_reg_writel(isp, IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ,
-                      OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
-
-       /* timeout 1 ms */
-       for (wait = 0; wait < 1000; wait++) {
-               if (isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS) &
-                                 IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ) {
-                       isp_reg_writel(isp, IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ,
-                                      OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
-                       return 0;
-               }
-
-               rmb();
-               udelay(1);
-       }
-
-       return -ETIMEDOUT;
-}
-
 /*
  * __ispccdc_lsc_enable - Enables/Disables the Lens Shading Compensation 
module.
  * @ccdc: Pointer to ISP CCDC device.
@@ -272,7 +248,7 @@ static int __ispccdc_lsc_enable(struct isp_ccdc_device 
*ccdc, int enable)
                        ISPCCDC_LSC_ENABLE, enable ? ISPCCDC_LSC_ENABLE : 0);
 
        if (enable) {
-               if (ispccdc_lsc_wait_prefetch(ccdc) < 0) {
+               if (ispccdc_lsc_wait_prefetch(isp) < 0) {
                        isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC,
                                    ISPCCDC_LSC_CONFIG, ISPCCDC_LSC_ENABLE);
                        ccdc->lsc.state = LSC_STATE_STOPPED;
-- 
1.7.0.4

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