4 files changed, 24 insertions, 18 deletions

diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index f642c4264c27..168fa175d65a 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -45,6 +45,9 @@ int bcma_sprom_get(struct bcma_bus *bus);
 void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
 void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
 void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
 
 /* driver_chipcommon_b.c */
 int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb);
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index b4f6520e74f0..62f5bfa5065d 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -15,8 +15,6 @@
 #include <linux/platform_device.h>
 #include <linux/bcma/bcma.h>
 
-static void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
-
 static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
 					 u32 mask, u32 value)
 {
@@ -186,9 +184,6 @@ void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
 	if (cc->capabilities & BCMA_CC_CAP_PMU)
 		bcma_pmu_early_init(cc);
 
-	if (IS_BUILTIN(CONFIG_BCM47XX) && bus->hosttype == BCMA_HOSTTYPE_SOC)
-		bcma_chipco_serial_init(cc);
-
 	if (bus->hosttype == BCMA_HOSTTYPE_SOC)
 		bcma_core_chipcommon_flash_detect(cc);
 
@@ -378,9 +373,9 @@ u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value)
 	return res;
 }
 
-static void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
 {
-#if IS_BUILTIN(CONFIG_BCM47XX)
 	unsigned int irq;
 	u32 baud_base;
 	u32 i;
@@ -422,5 +417,5 @@ static void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
 		ports[i].baud_base = baud_base;
 		ports[i].reg_shift = 0;
 	}
-#endif /* CONFIG_BCM47XX */
 }
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
index 96f171328200..89af807cf29c 100644
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -278,9 +278,12 @@ static void bcma_core_mips_nvram_init(struct bcma_drv_mips *mcore)
 
 void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
 {
+	struct bcma_bus *bus = mcore->core->bus;
+
 	if (mcore->early_setup_done)
 		return;
 
+	bcma_chipco_serial_init(&bus->drv_cc);
 	bcma_core_mips_nvram_init(mcore);
 
 	mcore->early_setup_done = true;
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 2c1798e38abd..12da68ec48ba 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -136,17 +136,17 @@ static bool bcma_is_core_needed_early(u16 core_id)
 	return false;
 }
 
-static struct device_node *bcma_of_find_child_device(struct platform_device *parent,
+static struct device_node *bcma_of_find_child_device(struct device *parent,
 						     struct bcma_device *core)
 {
 	struct device_node *node;
 	u64 size;
 	const __be32 *reg;
 
-	if (!parent || !parent->dev.of_node)
+	if (!parent->of_node)
 		return NULL;
 
-	for_each_child_of_node(parent->dev.of_node, node) {
+	for_each_child_of_node(parent->of_node, node) {
 		reg = of_get_address(node, 0, &size, NULL);
 		if (!reg)
 			continue;
@@ -156,7 +156,7 @@ static struct device_node *bcma_of_find_child_device(struct platform_device *par
 	return NULL;
 }
 
-static int bcma_of_irq_parse(struct platform_device *parent,
+static int bcma_of_irq_parse(struct device *parent,
 			     struct bcma_device *core,
 			     struct of_phandle_args *out_irq, int num)
 {
@@ -169,7 +169,7 @@ static int bcma_of_irq_parse(struct platform_device *parent,
 			return rc;
 	}
 
-	out_irq->np = parent->dev.of_node;
+	out_irq->np = parent->of_node;
 	out_irq->args_count = 1;
 	out_irq->args[0] = num;
 
@@ -177,13 +177,13 @@ static int bcma_of_irq_parse(struct platform_device *parent,
 	return of_irq_parse_raw(laddr, out_irq);
 }
 
-static unsigned int bcma_of_get_irq(struct platform_device *parent,
+static unsigned int bcma_of_get_irq(struct device *parent,
 				    struct bcma_device *core, int num)
 {
 	struct of_phandle_args out_irq;
 	int ret;
 
-	if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent || !parent->dev.of_node)
+	if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent->of_node)
 		return 0;
 
 	ret = bcma_of_irq_parse(parent, core, &out_irq, num);
@@ -196,7 +196,7 @@ static unsigned int bcma_of_get_irq(struct platform_device *parent,
 	return irq_create_of_mapping(&out_irq);
 }
 
-static void bcma_of_fill_device(struct platform_device *parent,
+static void bcma_of_fill_device(struct device *parent,
 				struct bcma_device *core)
 {
 	struct device_node *node;
@@ -227,7 +227,7 @@ unsigned int bcma_core_irq(struct bcma_device *core, int num)
 			return mips_irq <= 4 ? mips_irq + 2 : 0;
 		}
 		if (bus->host_pdev)
-			return bcma_of_get_irq(bus->host_pdev, core, num);
+			return bcma_of_get_irq(&bus->host_pdev->dev, core, num);
 		return 0;
 	case BCMA_HOSTTYPE_SDIO:
 		return 0;
@@ -253,7 +253,8 @@ void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core)
 		if (IS_ENABLED(CONFIG_OF) && bus->host_pdev) {
 			core->dma_dev = &bus->host_pdev->dev;
 			core->dev.parent = &bus->host_pdev->dev;
-			bcma_of_fill_device(bus->host_pdev, core);
+			if (core->dev.parent)
+				bcma_of_fill_device(core->dev.parent, core);
 		} else {
 			core->dev.dma_mask = &core->dev.coherent_dma_mask;
 			core->dma_dev = &core->dev;
@@ -633,8 +634,11 @@ static int bcma_device_probe(struct device *dev)
 					       drv);
 	int err = 0;
 
+	get_device(dev);
 	if (adrv->probe)
 		err = adrv->probe(core);
+	if (err)
+		put_device(dev);
 
 	return err;
 }
@@ -647,6 +651,7 @@ static int bcma_device_remove(struct device *dev)
 
 	if (adrv->remove)
 		adrv->remove(core);
+	put_device(dev);
 
 	return 0;
 }