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Commit 5dc177da authored by Mike Rapoport's avatar Mike Rapoport Committed by Greg Kroah-Hartman
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staging: brcm80211: brcmfmac: remove PCI SDIO controller binding

parent 24aee93c
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+0 −229
Original line number Diff line number Diff line
@@ -279,224 +279,6 @@ int bcmsdh_remove(struct device *dev)

	return 0;
}

#else				/* BCMPLATFORM_BUS */

#if !defined(BCMLXSDMMC)
/* forward declarations for PCI probe and remove functions. */
static int __devinit bcmsdh_pci_probe(struct pci_dev *pdev,
				      const struct pci_device_id *ent);
static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev);

/**
 * pci id table
 */
static struct pci_device_id bcmsdh_pci_devid[] __devinitdata = {
{
	.vendor = PCI_ANY_ID,
	.device = PCI_ANY_ID,
	.subvendor = PCI_ANY_ID,
	.subdevice = PCI_ANY_ID,
	.class = 0,
	.class_mask = 0,
	.driver_data = 0,
},
{0,}
};

MODULE_DEVICE_TABLE(pci, bcmsdh_pci_devid);

/**
 * SDIO Host Controller pci driver info
 */
static struct pci_driver bcmsdh_pci_driver = {
	.node = {},
	.name = "bcmsdh",
	.id_table = bcmsdh_pci_devid,
	.probe = bcmsdh_pci_probe,
	.remove = bcmsdh_pci_remove,
	.suspend = NULL,
	.resume = NULL,
};

extern uint sd_pci_slot;	/* Force detection to a particular PCI */
				/* slot only . Allows for having multiple */
				/* WL devices at once in a PC */
				/* Only one instance of dhd will be */
				/* usable at a time */
				/* Upper word is bus number, */
				/* lower word is slot number */
				/* Default value of 0xFFFFffff turns this */
				/* off */
module_param(sd_pci_slot, uint, 0);

/**
 * Detect supported SDIO Host Controller and attach if found.
 *
 * Determine if the device described by pdev is a supported SDIO Host
 * Controller.  If so, attach to it and attach to the target device.
 */
static int __devinit
bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct osl_info *osh = NULL;
	bcmsdh_hc_t *sdhc = NULL;
	unsigned long regs;
	bcmsdh_info_t *sdh = NULL;
	int rc;

	if (sd_pci_slot != 0xFFFFffff) {
		if (pdev->bus->number != (sd_pci_slot >> 16) ||
		    PCI_SLOT(pdev->devfn) != (sd_pci_slot & 0xffff)) {
			SDLX_MSG(("%s: %s: bus %X, slot %X, vend %X, dev %X\n",
				  __func__,
				  bcmsdh_chipmatch(pdev->vendor, pdev->device) ?
				  "Found compatible SDIOHC" :
				  "Probing unknown device",
				  pdev->bus->number, PCI_SLOT(pdev->devfn),
				  pdev->vendor, pdev->device));
			return -ENODEV;
		}
		SDLX_MSG(("%s: %s: bus %X, slot %X, vendor %X, device %X "
			"(good PCI location)\n", __func__,
			bcmsdh_chipmatch(pdev->vendor, pdev->device) ?
			"Using compatible SDIOHC" : "WARNING, forced use "
			"of unkown device",
		pdev->bus->number, PCI_SLOT(pdev->devfn), pdev->vendor,
		pdev->device));
	}

	if ((pdev->vendor == VENDOR_TI)
	    && ((pdev->device == PCIXX21_FLASHMEDIA_ID)
		|| (pdev->device == PCIXX21_FLASHMEDIA0_ID))) {
		u32 config_reg;

		SDLX_MSG(("%s: Disabling TI FlashMedia Controller.\n",
			  __func__));
		osh = osl_attach(pdev, PCI_BUS);
		if (!osh) {
			SDLX_MSG(("%s: osl_attach failed\n", __func__));
			goto err;
		}

		config_reg = OSL_PCI_READ_CONFIG(osh, 0x4c, 4);

		/*
		 * Set MMC_SD_DIS bit in FlashMedia Controller.
		 * Disbling the SD/MMC Controller in the FlashMedia Controller
		 * allows the Standard SD Host Controller to take over control
		 * of the SD Slot.
		 */
		config_reg |= 0x02;
		OSL_PCI_WRITE_CONFIG(osh, 0x4c, 4, config_reg);
		osl_detach(osh);
	}
	/* match this pci device with what we support */
	/* we can't solely rely on this to believe it is
		our SDIO Host Controller! */
	if (!bcmsdh_chipmatch(pdev->vendor, pdev->device))
		return -ENODEV;

	/* this is a pci device we might support */
	SDLX_MSG(("%s: Found possible SDIO Host Controller: "
		"bus %d slot %d func %d irq %d\n", __func__,
		pdev->bus->number, PCI_SLOT(pdev->devfn),
		PCI_FUNC(pdev->devfn), pdev->irq));

	/* use bcmsdh_query_device() to get the vendor ID of the target device
	 * so it will eventually appear in the Broadcom string on the console
	 */

	/* allocate SDIO Host Controller state info */
	osh = osl_attach(pdev, PCI_BUS);
	if (!osh) {
		SDLX_MSG(("%s: osl_attach failed\n", __func__));
		goto err;
	}
	sdhc = kzalloc(sizeof(bcmsdh_hc_t), GFP_ATOMIC);
	if (!sdhc) {
		SDLX_MSG(("%s: out of memory\n", __func__));
		goto err;
	}
	sdhc->osh = osh;

	sdhc->dev = pdev;

	/* map to address where host can access */
	pci_set_master(pdev);
	rc = pci_enable_device(pdev);
	if (rc) {
		SDLX_MSG(("%s: Cannot enable PCI device\n", __func__));
		goto err;
	}
	sdh = bcmsdh_attach(osh, (void *)(unsigned long)pci_resource_start(pdev, 0),
			(void **)&regs, pdev->irq);
	if (!sdh) {
		SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
		goto err;
	}

	sdhc->sdh = sdh;

	/* try to attach to the target device */
	sdhc->ch = drvinfo.attach(VENDOR_BROADCOM, /* pdev->vendor, */
				bcmsdh_query_device(sdh) & 0xFFFF, 0, 0, 0, 0,
				(void *)regs, NULL, sdh);
	if (!sdhc->ch) {
		SDLX_MSG(("%s: device attach failed\n", __func__));
		goto err;
	}

	/* chain SDIO Host Controller info together */
	sdhc->next = sdhcinfo;
	sdhcinfo = sdhc;

	return 0;

	/* error handling */
err:
	if (sdhc->sdh)
		bcmsdh_detach(sdhc->osh, sdhc->sdh);
	if (sdhc)
		kfree(sdhc);
	if (osh)
		osl_detach(osh);
	return -ENODEV;
}

/**
 * Detach from target devices and SDIO Host Controller
 */
static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev)
{
	bcmsdh_hc_t *sdhc, *prev;
	struct osl_info *osh;

	/* find the SDIO Host Controller state for this
		 pdev and take it out from the list */
	for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) {
		if (sdhc->dev == pdev) {
			if (prev)
				prev->next = sdhc->next;
			else
				sdhcinfo = NULL;
			break;
		}
		prev = sdhc;
	}
	if (!sdhc)
		return;

	drvinfo.detach(sdhc->ch);

	bcmsdh_detach(sdhc->osh, sdhc->sdh);

	/* release SDIO Host Controller info */
	osh = sdhc->osh;
	kfree(sdhc);
	osl_detach(osh);
}
#endif				/* BCMLXSDMMC */
#endif				/* BCMPLATFORM_BUS */

extern int sdio_function_init(void);
@@ -515,14 +297,6 @@ int bcmsdh_register(bcmsdh_driver_t *driver)
	return error;
#endif				/* defined(BCMPLATFORM_BUS) */

#if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC)
	error = pci_register_driver(&bcmsdh_pci_driver);
	if (!error)
		return 0;

	SDLX_MSG(("%s: pci_register_driver failed 0x%x\n", __func__, error));
#endif				/* BCMPLATFORM_BUS */

	return error;
}

@@ -533,9 +307,6 @@ void bcmsdh_unregister(void)
#if defined(BCMLXSDMMC)
	sdio_function_cleanup();
#endif				/* BCMLXSDMMC */
#if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC)
	pci_unregister_driver(&bcmsdh_pci_driver);
#endif				/* BCMPLATFORM_BUS */
}

#if defined(OOB_INTR_ONLY)