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Commit 5a1c18b7 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Kalle Valo
Browse files

bcma: keep a direct pointer to the struct device 



Accessing struct device is pretty useful/common so having a direct
pointer:
1) Simplifies some code
2) Makes bcma_bus_get_host_dev() unneeded
3) Allows further improvements like using dev_* printing helpers

Signed-off-by: default avatarRafał Miłecki <rafal@milecki.pl>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 7fdcb8e1

drivers/bcma/bcma_private.h

+0 −1
Original line number Diff line number Diff line
@@ -33,7 +33,6 @@ int __init bcma_bus_early_register(struct bcma_bus *bus); 
int bcma_bus_suspend(struct bcma_bus *bus);

int bcma_bus_resume(struct bcma_bus *bus);

#endif

struct device *bcma_bus_get_host_dev(struct bcma_bus *bus);



/* scan.c */

void bcma_detect_chip(struct bcma_bus *bus);

drivers/bcma/driver_gpio.c

+1 −1
Original line number Diff line number Diff line
@@ -183,7 +183,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) 
	chip->direction_input	= bcma_gpio_direction_input;

	chip->direction_output	= bcma_gpio_direction_output;

	chip->owner		= THIS_MODULE;

	chip->parent		= bcma_bus_get_host_dev(bus);

	chip->parent		= bus->dev;

#if IS_BUILTIN(CONFIG_OF)

	chip->of_node		= cc->core->dev.of_node;

#endif

drivers/bcma/host_pci.c

+2 −0
Original line number Diff line number Diff line
@@ -196,6 +196,8 @@ static int bcma_host_pci_probe(struct pci_dev *dev, 
		goto err_pci_release_regions;

	}



	bus->dev = &dev->dev;



	/* Map MMIO */

	err = -ENOMEM;

	bus->mmio = pci_iomap(dev, 0, ~0UL);

drivers/bcma/host_soc.c

+2 −2
Original line number Diff line number Diff line
@@ -179,7 +179,6 @@ int __init bcma_host_soc_register(struct bcma_soc *soc) 
	/* Host specific */

	bus->hosttype = BCMA_HOSTTYPE_SOC;

	bus->ops = &bcma_host_soc_ops;

	bus->host_pdev = NULL;



	/* Initialize struct, detect chip */

	bcma_init_bus(bus);
@@ -213,6 +212,8 @@ static int bcma_host_soc_probe(struct platform_device *pdev) 
	if (!bus)

		return -ENOMEM;



	bus->dev = dev;



	/* Map MMIO */

	bus->mmio = of_iomap(np, 0);

	if (!bus->mmio)
@@ -221,7 +222,6 @@ static int bcma_host_soc_probe(struct platform_device *pdev) 
	/* Host specific */

	bus->hosttype = BCMA_HOSTTYPE_SOC;

	bus->ops = &bcma_host_soc_ops;

	bus->host_pdev = pdev;



	/* Initialize struct, detect chip */

	bcma_init_bus(bus);

drivers/bcma/main.c

+10 −35
Original line number Diff line number Diff line
@@ -223,8 +223,8 @@ unsigned int bcma_core_irq(struct bcma_device *core, int num) 
			mips_irq = bcma_core_mips_irq(core);

			return mips_irq <= 4 ? mips_irq + 2 : 0;

		}

		if (bus->host_pdev)

			return bcma_of_get_irq(&bus->host_pdev->dev, core, num);

		if (bus->dev)

			return bcma_of_get_irq(bus->dev, core, num);

		return 0;

	case BCMA_HOSTTYPE_SDIO:

		return 0;
@@ -239,18 +239,18 @@ void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) 
	core->dev.release = bcma_release_core_dev;

	core->dev.bus = &bcma_bus_type;

	dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index);

	core->dev.parent = bcma_bus_get_host_dev(bus);

	if (core->dev.parent)

		bcma_of_fill_device(core->dev.parent, core);

	core->dev.parent = bus->dev;

	if (bus->dev)

		bcma_of_fill_device(bus->dev, core);



	switch (bus->hosttype) {

	case BCMA_HOSTTYPE_PCI:

		core->dma_dev = &bus->host_pci->dev;

		core->dma_dev = bus->dev;

		core->irq = bus->host_pci->irq;

		break;

	case BCMA_HOSTTYPE_SOC:

		if (IS_ENABLED(CONFIG_OF) && bus->host_pdev) {

			core->dma_dev = &bus->host_pdev->dev;

		if (IS_ENABLED(CONFIG_OF) && bus->dev) {

			core->dma_dev = bus->dev;

		} else {

			core->dev.dma_mask = &core->dev.coherent_dma_mask;

			core->dma_dev = &core->dev;
@@ -261,28 +261,6 @@ void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) 
	}

}



struct device *bcma_bus_get_host_dev(struct bcma_bus *bus)

{

	switch (bus->hosttype) {

	case BCMA_HOSTTYPE_PCI:

		if (bus->host_pci)

			return &bus->host_pci->dev;

		else

			return NULL;

	case BCMA_HOSTTYPE_SOC:

		if (bus->host_pdev)

			return &bus->host_pdev->dev;

		else

			return NULL;

	case BCMA_HOSTTYPE_SDIO:

		if (bus->host_sdio)

			return &bus->host_sdio->dev;

		else

			return NULL;

	}

	return NULL;

}



void bcma_init_bus(struct bcma_bus *bus)

{

	mutex_lock(&bcma_buses_mutex);
@@ -402,7 +380,6 @@ int bcma_bus_register(struct bcma_bus *bus) 
{

	int err;

	struct bcma_device *core;

	struct device *dev;



	/* Scan for devices (cores) */

	err = bcma_bus_scan(bus);
@@ -425,10 +402,8 @@ int bcma_bus_register(struct bcma_bus *bus) 
		bcma_core_pci_early_init(&bus->drv_pci[0]);

	}



	dev = bcma_bus_get_host_dev(bus);

	if (dev) {

		of_platform_default_populate(dev->of_node, NULL, dev);

	}

	if (bus->dev)

		of_platform_default_populate(bus->dev->of_node, NULL, bus->dev);



	/* Cores providing flash access go before SPROM init */

	list_for_each_entry(core, &bus->cores, list) {