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greybus: es2: rename misnamed variables and methods

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Some methods and variables name were a lot confusing.
Replace it or add ep_pair in methods or varaibles name
to make sources less confusing.

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Alexandre Bailon 2015-09-14 18:20:42 +02:00 committed by Greg Kroah-Hartman
parent b9154df5cf
commit 1ff3dc9205
1 changed files with 12 additions and 12 deletions
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24
drivers/staging/greybus/es2.c
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@ -123,7 +123,7 @@ static void cport_out_callback(struct urb *urb);
static void usb_log_enable(struct es1_ap_dev *es1);
static void usb_log_disable(struct es1_ap_dev *es1);
static int cport_to_ep(struct es1_ap_dev *es1, u16 cport_id)
static int cport_to_ep_pair(struct es1_ap_dev *es1, u16 cport_id)
{
if (cport_id >= es1->hd->num_cports)
return 0;
@ -132,38 +132,38 @@ static int cport_to_ep(struct es1_ap_dev *es1, u16 cport_id)
#define ES1_TIMEOUT 500 /* 500 ms for the SVC to do something */
static int ep_in_use(struct es1_ap_dev *es1, int bulk_ep_set)
static int ep_pair_in_use(struct es1_ap_dev *es1, int ep_pair)
{
int i;
for (i = 0; i < es1->hd->num_cports; i++) {
if (es1->cport_to_ep[i] == bulk_ep_set)
if (es1->cport_to_ep[i] == ep_pair)
return 1;
}
return 0;
}
int map_cport_to_ep(struct es1_ap_dev *es1,
u16 cport_id, int bulk_ep_set)
u16 cport_id, int ep_pair)
{
int retval;
struct cport_to_ep *cport_to_ep;
if (bulk_ep_set < 0 || bulk_ep_set >= NUM_BULKS)
if (ep_pair < 0 || ep_pair >= NUM_BULKS)
return -EINVAL;
if (cport_id >= es1->hd->num_cports)
return -EINVAL;
if (bulk_ep_set && ep_in_use(es1, bulk_ep_set))
if (ep_pair && ep_pair_in_use(es1, ep_pair))
return -EINVAL;
cport_to_ep = kmalloc(sizeof(*cport_to_ep), GFP_KERNEL);
if (!cport_to_ep)
return -ENOMEM;
es1->cport_to_ep[cport_id] = bulk_ep_set;
es1->cport_to_ep[cport_id] = ep_pair;
cport_to_ep->cport_id = cpu_to_le16(cport_id);
cport_to_ep->endpoint_in = es1->cport_in[bulk_ep_set].endpoint;
cport_to_ep->endpoint_out = es1->cport_out[bulk_ep_set].endpoint;
cport_to_ep->endpoint_in = es1->cport_in[ep_pair].endpoint;
cport_to_ep->endpoint_out = es1->cport_out[ep_pair].endpoint;
retval = usb_control_msg(es1->usb_dev,
usb_sndctrlpipe(es1->usb_dev, 0),
@ -275,7 +275,7 @@ static int message_send(struct greybus_host_device *hd, u16 cport_id,
size_t buffer_size;
int retval;
struct urb *urb;
int bulk_ep_set;
int ep_pair;
unsigned long flags;
/*
@ -302,10 +302,10 @@ static int message_send(struct greybus_host_device *hd, u16 cport_id,
buffer_size = sizeof(*message->header) + message->payload_size;
bulk_ep_set = cport_to_ep(es1, cport_id);
ep_pair = cport_to_ep_pair(es1, cport_id);
usb_fill_bulk_urb(urb, udev,
usb_sndbulkpipe(udev,
es1->cport_out[bulk_ep_set].endpoint),
es1->cport_out[ep_pair].endpoint),
message->buffer, buffer_size,
cport_out_callback, message);
urb->transfer_flags |= URB_ZERO_PACKET;