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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2022-06-17 20:23:38 +0200
committerLee Jones <lee@kernel.org>2022-07-19 11:54:40 +0200
commit99a7ec2f362261be1ccca702da099f39127a3388 (patch)
tree5e5b48add21d2aab3a14e4db722f4d3eeccabd3b /drivers/mfd
parentdt-bindings: mfd: mt6397: Add compatibles for MT6331 RTC and keys (diff)
downloadlinux-99a7ec2f362261be1ccca702da099f39127a3388.tar.xz
linux-99a7ec2f362261be1ccca702da099f39127a3388.zip
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20220617182338.32402-1-andriy.shevchenko@linux.intel.com
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/dln2.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 852129ea0766..6cd0b0c752d6 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -91,11 +91,6 @@ struct dln2_mod_rx_slots {
spinlock_t lock;
};
-enum dln2_endpoint {
- DLN2_EP_OUT = 0,
- DLN2_EP_IN = 1,
-};
-
struct dln2_dev {
struct usb_device *usb_dev;
struct usb_interface *interface;
@@ -777,16 +772,12 @@ static int dln2_probe(struct usb_interface *interface,
int ret;
int i, j;
- if (hostif->desc.bInterfaceNumber != 0 ||
- hostif->desc.bNumEndpoints < 2)
+ if (hostif->desc.bInterfaceNumber != 0)
return -ENODEV;
- epout = &hostif->endpoint[DLN2_EP_OUT].desc;
- if (!usb_endpoint_is_bulk_out(epout))
- return -ENODEV;
- epin = &hostif->endpoint[DLN2_EP_IN].desc;
- if (!usb_endpoint_is_bulk_in(epin))
- return -ENODEV;
+ ret = usb_find_common_endpoints(hostif, &epin, &epout, NULL, NULL);
+ if (ret)
+ return ret;
dln2 = kzalloc(sizeof(*dln2), GFP_KERNEL);
if (!dln2)