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authorMarek Vasut <marek.vasut+renesas@mailbox.org>2024-06-14 02:51:17 +0200
committerMattijs Korpershoek <mkorpershoek@baylibre.com>2024-07-05 14:08:24 +0200
commit356542d6dd72f66031bc0fbe174a99c360ee318a (patch)
treedbb90f1ddca4dddde3e174eb010eb7ffc0d36d91
parentd36ef5cbedd08e9a11c6a719d853f1003173133e (diff)
usb: gadget: cdns3: Convert interrupt handling to usb_gadget_generic_ops
Implement .handle_interrupts callback as a replacement for deprecated dm_usb_gadget_handle_interrupts() function. The new callback allows for each DM capable USB gadget controller driver to define its own IRQ handling implementation without colliding with other controller drivers. Keep the dm_usb_gadget_handle_interrupts() in this driver for non-DM case for now, until this driver gets fully converted to DM USB gadget. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> # vim3 Link: https://lore.kernel.org/r/20240614005309.34433-3-marek.vasut+renesas@mailbox.org Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
-rw-r--r--drivers/usb/cdns3/core.c24
-rw-r--r--drivers/usb/cdns3/gadget-export.h2
-rw-r--r--drivers/usb/cdns3/gadget.c11
3 files changed, 27 insertions, 10 deletions
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index b4e931646b8..cbe06a9e7b6 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -20,6 +20,7 @@
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/io.h>
+#include <linux/usb/gadget.h>
#include <usb.h>
#include <usb/xhci.h>
@@ -462,15 +463,38 @@ static int cdns3_gadget_remove(struct udevice *dev)
return cdns3_remove(cdns);
}
+static int cdns3_gadget_handle_interrupts(struct udevice *dev)
+{
+ struct cdns3 *cdns = dev_get_priv(dev);
+
+ cdns3_gadget_uboot_handle_interrupt(cdns);
+
+ return 0;
+}
+
+static const struct usb_gadget_generic_ops cdns3_gadget_ops = {
+ .handle_interrupts = cdns3_gadget_handle_interrupts,
+};
+
U_BOOT_DRIVER(cdns_usb3_peripheral) = {
.name = "cdns-usb3-peripheral",
.id = UCLASS_USB_GADGET_GENERIC,
.of_match = cdns3_ids,
+ .ops = &cdns3_gadget_ops,
.probe = cdns3_gadget_probe,
.remove = cdns3_gadget_remove,
.priv_auto = sizeof(struct cdns3_gadget_priv),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};
+#else
+int dm_usb_gadget_handle_interrupts(struct udevice *dev)
+{
+ struct cdns3 *cdns = dev_get_priv(dev);
+
+ cdns3_gadget_uboot_handle_interrupt(cdns);
+
+ return 0;
+}
#endif
#if defined(CONFIG_SPL_USB_HOST) || \
diff --git a/drivers/usb/cdns3/gadget-export.h b/drivers/usb/cdns3/gadget-export.h
index 577469eee96..b3fd7c53039 100644
--- a/drivers/usb/cdns3/gadget-export.h
+++ b/drivers/usb/cdns3/gadget-export.h
@@ -25,4 +25,6 @@ static inline void cdns3_gadget_exit(struct cdns3 *cdns) { }
#endif
+void cdns3_gadget_uboot_handle_interrupt(struct cdns3 *cdns);
+
#endif /* __LINUX_CDNS3_GADGET_EXPORT */
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index d11175dc5b6..32b2c412068 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -2755,19 +2755,10 @@ int cdns3_gadget_init(struct cdns3 *cdns)
*
* Handles ep0 and gadget interrupt
*/
-static void cdns3_gadget_uboot_handle_interrupt(struct cdns3 *cdns)
+void cdns3_gadget_uboot_handle_interrupt(struct cdns3 *cdns)
{
int ret = cdns3_device_irq_handler(0, cdns);
if (ret == IRQ_WAKE_THREAD)
cdns3_device_thread_irq_handler(0, cdns);
}
-
-int dm_usb_gadget_handle_interrupts(struct udevice *dev)
-{
- struct cdns3 *cdns = dev_get_priv(dev);
-
- cdns3_gadget_uboot_handle_interrupt(cdns);
-
- return 0;
-}