* [PATCH v1 1/1] mfd: dln2: Automatically detect and fill endpoint pointers
@ 2022-06-17 18:23 Andy Shevchenko
2022-06-27 11:55 ` Lee Jones
0 siblings, 1 reply; 2+ messages in thread
From: Andy Shevchenko @ 2022-06-17 18:23 UTC (permalink / raw)
To: Jack Andersen, Andy Shevchenko, linux-kernel; +Cc: Lee Jones
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>
---
drivers/mfd/dln2.c | 17 ++++-------------
1 file 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)
--
2.35.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v1 1/1] mfd: dln2: Automatically detect and fill endpoint pointers
2022-06-17 18:23 [PATCH v1 1/1] mfd: dln2: Automatically detect and fill endpoint pointers Andy Shevchenko
@ 2022-06-27 11:55 ` Lee Jones
0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2022-06-27 11:55 UTC (permalink / raw)
To: Andy Shevchenko; +Cc: Jack Andersen, linux-kernel
On Fri, 17 Jun 2022, Andy Shevchenko wrote:
> 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>
> ---
> drivers/mfd/dln2.c | 17 ++++-------------
> 1 file changed, 4 insertions(+), 13 deletions(-)
Applied, thanks.
--
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 2+ messages in thread
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