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Commit f4dc3ac7 authored by Jinesh K. Jayakumar's avatar Jinesh K. Jayakumar Committed by Gerrit - the friendly Code Review server
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net: aquantia: Detach SMMU during PCI device removal 



Enable support for performing SMMU detach during PCI device removal
that is required for converting the driver to a loadable module.

Change-Id: Id5361db7607fa647308ba1eaaa5159cbc0add272
Signed-off-by: default avatarJinesh K. Jayakumar <jineshk@codeaurora.org>
parent cdfc6e8e

drivers/net/ethernet/aquantia/Kconfig

+0 −16
Original line number Diff line number Diff line
@@ -29,20 +29,4 @@ config AQFWD 


source "drivers/net/ethernet/aquantia/atlantic-fwd/Kconfig"



config AQFWD_QCOM

	bool "QTI MSM/MDM target support"

	depends on AQFWD

	depends on ARCH_QCOM

	help

	  Enable support for integration with Qualcomm Technologies, Inc. chipsets.



config AQFWD_QCOM_IPA

	bool "QTI IPA offload support"

	depends on IPA_ETH

	select AQFWD_QCOM

	select ATLFWD_FWD

	help

	  Enable support for Qualcomm Technologies, Inc. IPA (Internet Protocol Accelerator).

	  If unsure, say N.



endif # NET_VENDOR_AQUANTIA

drivers/net/ethernet/aquantia/atlantic-fwd/Kconfig

+21 −0
Original line number Diff line number Diff line
@@ -42,3 +42,24 @@ config ATLFWD_FWD_TXBUF 
	 API enabled, 0 otherwise.



endif



config AQFWD_QCOM

	bool "QTI MSM/MDM target support"

	depends on AQFWD

	depends on ARCH_QCOM

	help

	  Some older targets using Qualcomm Technologies, Inc. chipsets

	  require peripheral drivers to explicitly set IOMMU attributes

	  and perform IOMMU attach. Enable this option if your platform

	  is affected. Using this feature will also require the user to

	  provide SMMU configuration via PCI device tree.

	  If unsure, say N.



config AQFWD_QCOM_IPA

	bool "QTI IPA offload support"

	depends on IPA_ETH

	select AQFWD_QCOM

	select ATLFWD_FWD

	help

	  Enable support for Qualcomm Technologies, Inc. IPA (Internet Protocol Accelerator).

	  If unsure, say N.

drivers/net/ethernet/aquantia/atlantic-fwd/Makefile

+0 −2
Original line number Diff line number Diff line
@@ -40,8 +40,6 @@ atlantic-fwd-objs := atl_fw.o \ 


atlantic-fwd-$(CONFIG_ATLFWD_FWD) += atl_fwd.o



atlantic-fwd-$(CONFIG_OF) += atl_of.o



atlantic-fwd-$(CONFIG_AQFWD_QCOM) += atl_qcom.o

atlantic-fwd-$(CONFIG_AQFWD_QCOM_IPA) += atl_qcom_ipa.o

drivers/net/ethernet/aquantia/atlantic-fwd/atl_main.c

+5 −11
Original line number Diff line number Diff line
@@ -13,9 +13,7 @@ 
#include <linux/etherdevice.h>

#include <linux/rtnetlink.h>



#include "atl_qcom_ipa.h"



#include "atl_of.h"

#include "atl_qcom.h"



const char atl_driver_name[] = "atlantic-fwd";
@@ -358,10 +356,6 @@ static int atl_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
	struct atl_hw *hw;

	int disable_needed;



	ret = atl_parse_dt(&pdev->dev);

	if (ret)

		return ret;



	ret = pci_enable_device_mem(pdev);

	if (ret)

		return ret;
@@ -704,9 +698,9 @@ static int __init atl_module_init(void) 
		return -ENOMEM;

	}



	ret = atl_qcom_ipa_register(&atl_pci_ops);

	ret = atl_qcom_register(&atl_pci_ops);

	if (ret) {

		pr_err("%s: Failed to register driver with IPA\n",

		pr_err("%s: Failed to register driver with platform\n",

		       atl_driver_name);

		destroy_workqueue(atl_wq);

		return ret;
@@ -714,7 +708,7 @@ static int __init atl_module_init(void) 


	ret = pci_register_driver(&atl_pci_ops);

	if (ret) {

		atl_qcom_ipa_unregister(&atl_pci_ops);

		atl_qcom_unregister(&atl_pci_ops);

		destroy_workqueue(atl_wq);

		return ret;

	}
@@ -727,7 +721,7 @@ static void __exit atl_module_exit(void) 
{

	pci_unregister_driver(&atl_pci_ops);



	atl_qcom_ipa_unregister(&atl_pci_ops);

	atl_qcom_unregister(&atl_pci_ops);



	if (atl_wq) {

		destroy_workqueue(atl_wq);

drivers/net/ethernet/aquantia/atlantic-fwd/atl_of.c

deleted100644 → 0
+0 −41
Original line number Diff line number Diff line 
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */



#include <linux/of.h>



#include "atl_qcom.h"

#include "atl_of.h"



static const struct of_device_id aqc_matches[] = {

	{ .compatible = "aquantia,aqc-107" },

	{ .compatible = "aquantia,aqc-108" },

	{ .compatible = "aquantia,aqc-109" },

};



int atl_parse_dt(struct device *dev)

{

	if (!dev->of_node) {

		dev_dbg(dev, "device tree node is not present\n");

		return 0;

	}



	if (!of_match_node(aqc_matches, dev->of_node)) {

		dev_notice(dev, "device tree node is not compatible\n");

		return 0;

	}



	/* Aquantia properties go here */



	/* OEM properties go here */



	return atl_qcom_parse_dt(dev);

}