From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linux USB List <linux-usb@vger.kernel.org>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>,
Alan Stern <stern@rowland.harvard.edu>,
Greg KH <gregkh@linuxfoundation.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: [PATCH v3 05/10] usb: gadget: aspeed: Check suspend/resume callback existence
Date: Fri, 26 Jul 2019 15:05:34 +1000 [thread overview]
Message-ID: <20190726050539.7875-6-benh@kernel.crashing.org> (raw)
In-Reply-To: <20190726050539.7875-1-benh@kernel.crashing.org>
.. before calling them
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
drivers/usb/gadget/udc/aspeed-vhub/dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/dev.c b/drivers/usb/gadget/udc/aspeed-vhub/dev.c
index 71e2416858fd..5f7e3b6de531 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/dev.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/dev.c
@@ -458,7 +458,7 @@ static const struct usb_gadget_ops ast_vhub_udc_ops = {
void ast_vhub_dev_suspend(struct ast_vhub_dev *d)
{
d->suspended = true;
- if (d->driver) {
+ if (d->driver && d->driver->suspend) {
spin_unlock(&d->vhub->lock);
d->driver->suspend(&d->gadget);
spin_lock(&d->vhub->lock);
@@ -468,7 +468,7 @@ void ast_vhub_dev_suspend(struct ast_vhub_dev *d)
void ast_vhub_dev_resume(struct ast_vhub_dev *d)
{
d->suspended = false;
- if (d->driver) {
+ if (d->driver && d->driver->resume) {
spin_unlock(&d->vhub->lock);
d->driver->resume(&d->gadget);
spin_lock(&d->vhub->lock);
--
2.17.1
next prev parent reply other threads:[~2019-07-26 5:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-26 5:05 [PATCH 00/10] usb: gadget: aspeed: Bug fixes Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 01/10] usb: gadget: aspeed: Don't set port enable change bit on reset Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 02/10] usb: gadget: aspeed: Cleanup EP0 state on port reset Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 03/10] usb: gadget: aspeed: Fix EP0 stall handling Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 04/10] usb: gadget: aspeed: Don't reject requests on suspended devices Benjamin Herrenschmidt
2019-07-26 5:05 ` Benjamin Herrenschmidt [this message]
2019-07-26 5:05 ` [PATCH v3 06/10] usb: gadget: aspeed: Rework the reset logic Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 07/10] usb: gadget: aspeed: Remove unused "suspended" flag Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 08/10] usb: gadget: aspeed: Improve debugging when nuking Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 09/10] usb: Add definitions for the USB2.0 hub TT requests Benjamin Herrenschmidt
2019-07-26 5:05 ` [PATCH v3 10/10] usb: gadget: aspeed: Implement dummy " Benjamin Herrenschmidt
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