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Commit dfc2da0e authored by Ravi Gummadidala's avatar Ravi Gummadidala
Browse files

msm: rmnet_ipa: convert to platform driver 



Driver will be exercised using run-time detection rather
than compile-time selection.

Change-Id: I080093cd4fa17dba10cf4bf7deb2d6ed35b7c7a7
Signed-off-by: default avatarRavi Gummadidala <rgummadi@codeaurora.org>
parent 4f50a7f3

Documentation/devicetree/bindings/platform/msm/rmnet_ipa.txt

0 → 100644
+11 −0
Original line number Diff line number Diff line 
* Qualcomm RmNet IPA driver module



This module enables embedded data calls using IPA HW.



Required properties:

- compatible:		Must be "qcom,rmnet-ipa"



Example:

	qcom,rmnet-ipa {

		compatible = "qcom,rmnet-ipa";

	}

arch/arm/boot/dts/qcom/mdm9630.dtsi

+4 −0
Original line number Diff line number Diff line
@@ -451,6 +451,10 @@ 
		qcom,use-ipa-tethering-bridge;

	};



	qcom,rmnet-ipa {

		compatible = "qcom,rmnet-ipa";

	};



	usb3: ssusb@f9200000 {

		compatible = "qcom,dwc-usb3-msm";

		reg = <0xf9200000 0xfc000>,

drivers/platform/msm/ipa/rmnet_ipa.c

+39 −10
Original line number Diff line number Diff line
@@ -14,18 +14,19 @@ 
 * WWAN Transport Network Driver.

 */



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/string.h>

#include <linux/completion.h>

#include <linux/errno.h>

#include <linux/if_arp.h>

#include <linux/interrupt.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/netdevice.h>

#include <linux/of_device.h>

#include <linux/string.h>

#include <linux/skbuff.h>

#include <linux/if_arp.h>

#include <net/pkt_sched.h>

#include <linux/workqueue.h>

#include <linux/completion.h>

#include <net/pkt_sched.h>

#include <ipa_qmi_service.h>



#define WWAN_METADATA_SHFT 24
@@ -1429,7 +1430,7 @@ static void ipa_rm_notify(void *dev, enum ipa_rm_event event, 




/**

 * ipa_wwan_init() - Initialized the module and registers as a

 * ipa_wwan_probe() - Initialized the module and registers as a

 * network interface to the network stack

 *

 * Return codes:
@@ -1437,7 +1438,7 @@ static void ipa_rm_notify(void *dev, enum ipa_rm_event event, 
 * -ENOMEM: No memory available

 * -EFAULT: Internal error

 */

static int __init ipa_wwan_init(void)

static int ipa_wwan_probe(struct platform_device *pdev)

{

	int ret, i;

	struct net_device *dev;
@@ -1549,9 +1550,8 @@ fail: 
	free_netdev(ipa_netdevs[0]);

	return ret;

}

late_initcall(ipa_wwan_init);



void ipa_wwan_cleanup(void)

static int ipa_wwan_remove(struct platform_device *pdev)

{

	unregister_netdev(ipa_netdevs[0]);

	ipa_rm_inactivity_timer_destroy(
@@ -1559,7 +1559,36 @@ void ipa_wwan_cleanup(void) 
	free_netdev(ipa_netdevs[0]);

	ipa_netdevs[0] = NULL;

	destroy_workqueue(ipa_rm_q6_workqueue);

	return 0;

}



static const struct of_device_id rmnet_ipa_dt_match[] = {

	{.compatible = "qcom,rmnet-ipa"},

	{},

};

MODULE_DEVICE_TABLE(of, rmnet_ipa_dt_match);



static struct platform_driver rmnet_ipa_driver = {

	.driver = {

		.name = "rmnet_ipa",

		.owner = THIS_MODULE,

		.of_match_table = rmnet_ipa_dt_match,

	},

	.probe = ipa_wwan_probe,

	.remove = ipa_wwan_remove,

};



static int __init ipa_wwan_init(void)

{

	return platform_driver_register(&rmnet_ipa_driver);

}



static void __exit ipa_wwan_cleanup(void)

{

	platform_driver_unregister(&rmnet_ipa_driver);

}



late_initcall(ipa_wwan_init);

module_exit(ipa_wwan_cleanup);

MODULE_DESCRIPTION("WWAN Network Interface");

MODULE_LICENSE("GPL v2");