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usb: gadget: qdss: Add error log with set_alt failure cases

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This change adds error logging to qdss_set_alt() to identify
possible reason for seeing failure in some of cases.

Change-Id: I6a0252ae7d29cc8be037b4fe5e9147e9835d3113
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
This commit is contained in:
Mayank Rana 2020-07-15 17:14:43 -07:00 • committed by Gerrit - the friendly Code Review server
commit 4a646ab5f8
1 changed files with 9 additions and 4 deletions
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13
drivers/usb/gadget/function/f_qdss.c
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@ -686,14 +686,19 @@ static int qdss_set_alt(struct usb_function *f, unsigned int intf,
/* Increment usage count on connect */
usb_gadget_autopm_get_async(qdss->gadget);
if (config_ep_by_speed(gadget, f, qdss->port.data)) {
ret = -EINVAL;
ret = config_ep_by_speed(gadget, f, qdss->port.data);
if (ret) {
pr_err("%s: failed config_ep_by_speed ret:%d\n",
__func__, ret);
goto fail;
}
ret = usb_ep_enable(qdss->port.data);
if (ret)
if (ret) {
pr_err("%s: failed to enable ep ret:%d\n",
__func__, ret);
goto fail;
}
qdss->port.data->driver_data = qdss;
qdss->data_enabled = 1;
@ -749,7 +754,7 @@ fail:
/* Decrement usage count in case of failure */
usb_gadget_autopm_put_async(qdss->gadget);
fail1:
pr_err("%s failed\n", __func__);
pr_err("%s failed ret:%d\n", __func__, ret);
qdss_eps_disable(f);
return ret;
}