Commit 99a7ec2f authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Lee Jones

mfd: dln2: Automatically detect and fill endpoint pointers

The usb_find_common_endpoints() finds and fills the endpoints
in accordance with their types. Use it to automatically detect
and fill endpoint pointers.
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220617182338.32402-1-andriy.shevchenko@linux.intel.com
parent 7e47943c
...@@ -91,11 +91,6 @@ struct dln2_mod_rx_slots { ...@@ -91,11 +91,6 @@ struct dln2_mod_rx_slots {
spinlock_t lock; spinlock_t lock;
}; };
enum dln2_endpoint {
DLN2_EP_OUT = 0,
DLN2_EP_IN = 1,
};
struct dln2_dev { struct dln2_dev {
struct usb_device *usb_dev; struct usb_device *usb_dev;
struct usb_interface *interface; struct usb_interface *interface;
...@@ -777,16 +772,12 @@ static int dln2_probe(struct usb_interface *interface, ...@@ -777,16 +772,12 @@ static int dln2_probe(struct usb_interface *interface,
int ret; int ret;
int i, j; int i, j;
if (hostif->desc.bInterfaceNumber != 0 || if (hostif->desc.bInterfaceNumber != 0)
hostif->desc.bNumEndpoints < 2)
return -ENODEV; return -ENODEV;
epout = &hostif->endpoint[DLN2_EP_OUT].desc; ret = usb_find_common_endpoints(hostif, &epin, &epout, NULL, NULL);
if (!usb_endpoint_is_bulk_out(epout)) if (ret)
return -ENODEV; return ret;
epin = &hostif->endpoint[DLN2_EP_IN].desc;
if (!usb_endpoint_is_bulk_in(epin))
return -ENODEV;
dln2 = kzalloc(sizeof(*dln2), GFP_KERNEL); dln2 = kzalloc(sizeof(*dln2), GFP_KERNEL);
if (!dln2) if (!dln2)
......
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