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Commit d5361f6d authored by Maya Erez's avatar Maya Erez Committed by Maya Erez
Browse files

wil6210: support devices with different PCIe bar size 



wil6210 devices can have different PCIe bar size, hence get the
bar size from PCIe device instead of using a constant bar size.

Change-Id: I02fe3f05e184b141c9a5519dd97c3f2d2eb99baf
Signed-off-by: default avatarMaya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
Git-commit: d86d47164b227f01c3ec34c3f5a1613977d563eb
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git


Signed-off-by: default avatarMaya Erez <merez@codeaurora.org>
parent 89c523ef

drivers/net/wireless/ath/wil6210/ioctl.c

+2 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014 Qualcomm Atheros, Inc.

 * Copyright (c) 2014,2017 Qualcomm Atheros, Inc.

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above
@@ -54,7 +54,7 @@ static void __iomem *wil_ioc_addr(struct wil6210_priv *wil, uint32_t addr, 
	}



	off = a - wil->csr;

	if (size >= WIL6210_MEM_SIZE - off) {

	if (size >= wil->bar_size - off) {

		wil_err(wil, "Requested block does not fit into memory: "

			"off = 0x%08x size = 0x%08x\n", off, size);

		return NULL;

drivers/net/wireless/ath/wil6210/pcie_bus.c

+10 −7
Original line number Diff line number Diff line
@@ -198,16 +198,18 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
		.ramdump = wil_platform_rop_ramdump,

		.fw_recovery = wil_platform_rop_fw_recovery,

	};

	u32 bar_size = pci_resource_len(pdev, 0);



	/* check HW */

	dev_info(&pdev->dev, WIL_NAME

		 " device found [%04x:%04x] (rev %x)\n",

		 (int)pdev->vendor, (int)pdev->device, (int)pdev->revision);



	if (pci_resource_len(pdev, 0) != WIL6210_MEM_SIZE) {

		dev_err(&pdev->dev, "Not " WIL_NAME "? "

			"BAR0 size is %lu while expecting %lu\n",

			(ulong)pci_resource_len(pdev, 0), WIL6210_MEM_SIZE);

		 " device found [%04x:%04x] (rev %x) bar size 0x%x\n",

		 (int)pdev->vendor, (int)pdev->device, (int)pdev->revision,

		 bar_size);



	if ((bar_size < WIL6210_MIN_MEM_SIZE) ||

	    (bar_size > WIL6210_MAX_MEM_SIZE)) {

		dev_err(&pdev->dev, "Unexpected BAR0 size 0x%x\n",

			bar_size);

		return -ENODEV;

	}
@@ -220,6 +222,7 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) 


	wil->pdev = pdev;

	pci_set_drvdata(pdev, wil);

	wil->bar_size = bar_size;

	/* rollback to if_free */



	wil->platform_handle =

drivers/net/wireless/ath/wil6210/wil6210.h

+3 −1
Original line number Diff line number Diff line
@@ -59,7 +59,8 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) 
	return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);

}



#define WIL6210_MEM_SIZE (2*1024*1024UL)

#define WIL6210_MIN_MEM_SIZE (2 * 1024 * 1024UL)

#define WIL6210_MAX_MEM_SIZE (4 * 1024 * 1024UL)



#define WIL_TX_Q_LEN_DEFAULT		(4000)

#define WIL_RX_RING_SIZE_ORDER_DEFAULT	(10)
@@ -617,6 +618,7 @@ extern u8 led_polarity; 


struct wil6210_priv {

	struct pci_dev *pdev;

	u32 bar_size;

	struct wireless_dev *wdev;

	void __iomem *csr;

	DECLARE_BITMAP(status, wil_status_last);

drivers/net/wireless/ath/wil6210/wmi.c

+2 −2
Original line number Diff line number Diff line
@@ -160,7 +160,7 @@ void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_) 
		return NULL;



	off = HOSTADDR(ptr);

	if (off > WIL6210_MEM_SIZE - 4)

	if (off > wil->bar_size - 4)

		return NULL;



	return wil->csr + off;
@@ -180,7 +180,7 @@ void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr) 
		return NULL;



	off = HOSTADDR(ptr);

	if (off > WIL6210_MEM_SIZE - 4)

	if (off > wil->bar_size - 4)

		return NULL;



	return wil->csr + off;