3 files changed, 23 insertions, 4 deletions

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 6b85c4195252..70226eaa5cac 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -91,6 +91,25 @@ module_param(dumpstate, bool, 0600);
  * Util/helpers:
  */
 
+struct clk *msm_clk_get(struct platform_device *pdev, const char *name)
+{
+	struct clk *clk;
+	char name2[32];
+
+	clk = devm_clk_get(&pdev->dev, name);
+	if (!IS_ERR(clk) || PTR_ERR(clk) == -EPROBE_DEFER)
+		return clk;
+
+	snprintf(name2, sizeof(name2), "%s_clk", name);
+
+	clk = devm_clk_get(&pdev->dev, name2);
+	if (!IS_ERR(clk))
+		dev_warn(&pdev->dev, "Using legacy clk name binding.  Use "
+				"\"%s\" instead of \"%s\"\n", name, name2);
+
+	return clk;
+}
+
 void __iomem *msm_ioremap(struct platform_device *pdev, const char *name,
 		const char *dbgname)
 {
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index ed4dad3ca133..5f6f48f4fbd9 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -318,6 +318,7 @@ static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; }
 static inline void msm_rd_dump_submit(struct msm_gem_submit *submit) {}
 #endif
 
+struct clk *msm_clk_get(struct platform_device *pdev, const char *name);
 void __iomem *msm_ioremap(struct platform_device *pdev, const char *name,
 		const char *dbgname);
 void msm_writel(u32 data, void __iomem *addr);
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index b28527a65d09..99e05aacbee1 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -560,8 +560,7 @@ static irqreturn_t irq_handler(int irq, void *data)
 }
 
 static const char *clk_names[] = {
-		"core_clk", "iface_clk", "rbbmtimer_clk", "mem_clk",
-		"mem_iface_clk", "alt_mem_iface_clk",
+	"core", "iface", "rbbmtimer", "mem", "mem_iface", "alt_mem_iface",
 };
 
 int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
@@ -625,13 +624,13 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
 
 	/* Acquire clocks: */
 	for (i = 0; i < ARRAY_SIZE(clk_names); i++) {
-		gpu->grp_clks[i] = devm_clk_get(&pdev->dev, clk_names[i]);
+		gpu->grp_clks[i] = msm_clk_get(pdev, clk_names[i]);
 		DBG("grp_clks[%s]: %p", clk_names[i], gpu->grp_clks[i]);
 		if (IS_ERR(gpu->grp_clks[i]))
 			gpu->grp_clks[i] = NULL;
 	}
 
-	gpu->ebi1_clk = devm_clk_get(&pdev->dev, "bus_clk");
+	gpu->ebi1_clk = msm_clk_get(pdev, "bus");
 	DBG("ebi1_clk: %p", gpu->ebi1_clk);
 	if (IS_ERR(gpu->ebi1_clk))
 		gpu->ebi1_clk = NULL;