video: mmp: optimize some register setting code

There are dumplicate code of the smooth setting based on different
path, optimized the routine and use readl_relaxed instead.

Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Jing Xiang <jxiang@marvell.com>
Signed-off-by: Guoqing Li <ligq@marvell.com>
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Reviewed-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/mmp/hw/mmp_ctrl.c b/drivers/video/mmp/hw/mmp_ctrl.c
index a40d95a..c0eb8bc 100644 (file)
--- a/drivers/video/mmp/hw/mmp_ctrl.c
+++ b/drivers/video/mmp/hw/mmp_ctrl.c
@@ -53,7 +53,7 @@ static irqreturn_t ctrl_handle_irq(int irq, void *dev_id)
                tmp = readl_relaxed(ctrl->reg_base + SPU_IRQ_ISR);
                if (tmp & isr)
                        writel_relaxed(~isr, ctrl->reg_base + SPU_IRQ_ISR);
-       } while ((isr = readl(ctrl->reg_base + SPU_IRQ_ISR)) & imask);
+       } while ((isr = readl_relaxed(ctrl->reg_base + SPU_IRQ_ISR)) & imask);
 
        return IRQ_HANDLED;
 }
@@ -372,20 +372,12 @@ static void path_set_default(struct mmp_path *path)
         * bus arbiter for faster read if not tv path;
         * 2.enable horizontal smooth filter;
         */
-       if (PATH_PN == path->id) {
-               mask = CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK
-                       | CFG_ARBFAST_ENA(1);
-               tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
-               tmp |= mask;
-               writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
-       } else if (PATH_TV == path->id) {
-               mask = CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK
-                       | CFG_ARBFAST_ENA(1);
-               tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
-               tmp &= ~mask;
-               tmp |= CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK;
-               writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
-       }
+       mask = CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK | CFG_ARBFAST_ENA(1);
+       tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
+       tmp |= mask;
+       if (PATH_TV == path->id)
+               tmp &= ~CFG_ARBFAST_ENA(1);
+       writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
 }
 
 static int path_init(struct mmphw_path_plat *path_plat,