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Commit 555513e8 authored by Jack Pham's avatar Jack Pham Committed by Matt Wagantall
Browse files

usb: gadget: u_bam: Remove support for BAM-DMUX 



BAM-DMUX support has been dropped from this kernel release.
Remove all references to it from USB RmNet/u_bam drivers and
also get rid of redundant variables.

However keep the software RX code path as it is still needed
for the case of the SYS2BAM uplink workaround.

Signed-off-by: default avatarJack Pham <jackp@codeaurora.org>
parent ad7a3f4e

drivers/usb/gadget/function/f_rmnet.c

+9 −28
Original line number Diff line number Diff line
@@ -60,7 +60,6 @@ static unsigned int no_ctrl_smd_ports; 
static unsigned int no_ctrl_qti_ports;

static unsigned int no_ctrl_hsic_ports;

static unsigned int no_ctrl_hsuart_ports;

static unsigned int no_data_bam_ports;

static unsigned int no_data_bam2bam_ports;

static unsigned int no_data_hsic_ports;

static unsigned int no_data_hsuart_ports;
@@ -306,16 +305,15 @@ static int rmnet_gport_setup(void) 
	int	i;

	u8 base;



	pr_debug("%s: bam ports: %u bam2bam ports: %u data hsic ports: %u data hsuart ports: %u"

	pr_debug("%s: bam2bam ports: %u data hsic ports: %u data hsuart ports: %u"

		" smd ports: %u ctrl hsic ports: %u ctrl hsuart ports: %u"

		" nr_rmnet_ports: %u\n",

		__func__, no_data_bam_ports, no_data_bam2bam_ports,

		no_data_hsic_ports, no_data_hsuart_ports, no_ctrl_smd_ports,

		no_ctrl_hsic_ports, no_ctrl_hsuart_ports, nr_rmnet_ports);

		__func__, no_data_bam2bam_ports, no_data_hsic_ports,

		no_data_hsuart_ports, no_ctrl_smd_ports, no_ctrl_hsic_ports,

		no_ctrl_hsuart_ports, nr_rmnet_ports);



	if (no_data_bam_ports || no_data_bam2bam_ports) {

		ret = gbam_setup(no_data_bam_ports,

				 no_data_bam2bam_ports);

	if (no_data_bam2bam_ports) {

		ret = gbam_setup(no_data_bam2bam_ports);

		if (ret)

			return ret;

	}
@@ -425,16 +423,6 @@ static int gport_rmnet_connect(struct f_rmnet *dev, unsigned intf) 
			gsmd_ctrl_disconnect(&dev->port, port_num);

			return -EINVAL;

		}

	case USB_GADGET_XPORT_BAM:

		ret = gbam_connect(&dev->port, port_num,

			dxport, src_connection_idx, dst_connection_idx);

		if (ret) {

			pr_err("%s: gbam_connect failed: err:%d\n",

				__func__, ret);

			gsmd_ctrl_disconnect(&dev->port, port_num);

			return ret;

		}

		break;

	case USB_GADGET_XPORT_BAM2BAM_IPA:

		src_connection_idx = usb_bam_get_connection_idx(gadget->name,

			IPA_P_BAM, USB_TO_PEER_PERIPHERAL, USB_BAM_DEVICE,
@@ -484,6 +472,7 @@ static int gport_rmnet_connect(struct f_rmnet *dev, unsigned intf) 
		break;

	case USB_GADGET_XPORT_NONE:

		 break;

	case USB_GADGET_XPORT_BAM:

	default:

		pr_err("%s: Un-supported transport: %s\n", __func__,

				xport_to_str(dxport));
@@ -524,7 +513,6 @@ static int gport_rmnet_disconnect(struct f_rmnet *dev) 


	port_num = rmnet_ports[dev->port_num].data_xport_num;

	switch (dxport) {

	case USB_GADGET_XPORT_BAM:

	case USB_GADGET_XPORT_BAM2BAM:

	case USB_GADGET_XPORT_BAM2BAM_IPA:

		gbam_disconnect(&dev->port, port_num, dxport);
@@ -537,6 +525,7 @@ static int gport_rmnet_disconnect(struct f_rmnet *dev) 
		break;

	case USB_GADGET_XPORT_NONE:

		break;

	case USB_GADGET_XPORT_BAM:

	default:

		pr_err("%s: Un-supported transport: %s\n", __func__,

				xport_to_str(dxport));
@@ -602,8 +591,6 @@ static void frmnet_suspend(struct usb_function *f) 


	port_num = rmnet_ports[dev->port_num].data_xport_num;

	switch (dxport) {

	case USB_GADGET_XPORT_BAM:

		break;

	case USB_GADGET_XPORT_BAM2BAM:

	case USB_GADGET_XPORT_BAM2BAM_IPA:

		if (remote_wakeup_allowed) {
@@ -658,8 +645,6 @@ static void frmnet_resume(struct usb_function *f) 


	port_num = rmnet_ports[dev->port_num].data_xport_num;

	switch (dxport) {

	case USB_GADGET_XPORT_BAM:

		break;

	case USB_GADGET_XPORT_BAM2BAM:

	case USB_GADGET_XPORT_BAM2BAM_IPA:

		if (remote_wakeup_allowed) {
@@ -1344,7 +1329,6 @@ static void frmnet_cleanup(void) 
	for (i = 0; i < nr_rmnet_ports; i++)

		kfree(rmnet_ports[i].port);



	gbam_cleanup();

	nr_rmnet_ports = 0;

	no_ctrl_smd_ports = 0;

	no_ctrl_qti_ports = 0;
@@ -1417,10 +1401,6 @@ static int frmnet_init_port(const char *ctrl_name, const char *data_name, 
	}



	switch (rmnet_port->data_xport) {

	case USB_GADGET_XPORT_BAM:

		rmnet_port->data_xport_num = no_data_bam_ports;

		no_data_bam_ports++;

		break;

	case USB_GADGET_XPORT_BAM2BAM:

	case USB_GADGET_XPORT_BAM2BAM_IPA:

		rmnet_port->data_xport_num = no_data_bam2bam_ports;
@@ -1438,6 +1418,7 @@ static int frmnet_init_port(const char *ctrl_name, const char *data_name, 
	case USB_GADGET_XPORT_ETHER:

	case USB_GADGET_XPORT_NONE:

		break;

	case USB_GADGET_XPORT_BAM:

	default:

		pr_err("%s: Un-supported transport: %u\n", __func__,

				rmnet_port->data_xport);

drivers/usb/gadget/function/u_bam.c

+118 −794

File changed.

Preview size limit exceeded, changes collapsed.

drivers/usb/gadget/function/u_rmnet.h

+1 −2
Original line number Diff line number Diff line
@@ -57,8 +57,7 @@ enum ctrl_client { 
	NR_CTRL_CLIENTS

};



int gbam_setup(unsigned int no_bam_port, unsigned int no_bam2bam_port);

void gbam_cleanup(void);

int gbam_setup(unsigned int no_bam2bam_port);

int gbam_connect(struct grmnet *gr, u8 port_num,

	enum transport_type trans, u8 src_connection_idx,

	u8 dst_connection_idx);