From: <dinguyen@opensource.altera.com>
To: <paulz@synopsys.com>, <balbi@ti.com>
Cc: <dinh.linux@gmail.com>, <linux-kernel@vger.kernel.org>,
<swarren@wwwdotorg.org>, <b.zolnierkie@samsung.com>,
<matthijs@stdin.nl>, <r.baldyga@samsung.com>,
<jg1.han@samsung.com>, <sachin.kamat@linaro.org>,
<ben-linux@fluff.org>, <dianders@chromium.org>,
<kever.yang@rock-chips.com>, <linux-usb@vger.kernel.org>,
Dinh Nguyen <dinguyen@opensource.altera.com>
Subject: [PATCHv5 3/7] usb: dwc2: Initialize the USB core for peripheral mode
Date: Mon, 20 Oct 2014 13:52:02 -0500 [thread overview]
Message-ID: <1413831126-24193-4-git-send-email-dinguyen@opensource.altera.com> (raw)
In-Reply-To: <1413831126-24193-1-git-send-email-dinguyen@opensource.altera.com>
From: Dinh Nguyen <dinguyen@opensource.altera.com>
Initialize the USB driver to peripheral mode when a B-Device connector
is attached.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
---
v5: move the export of s3c_hsotg_core_init into this patch
---
drivers/usb/dwc2/core.h | 2 ++
drivers/usb/dwc2/gadget.c | 2 +-
drivers/usb/dwc2/hcd.c | 1 +
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index b21aace..de1f357 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -966,6 +966,7 @@ extern int s3c_hsotg_remove(struct dwc2_hsotg *hsotg);
extern int s3c_hsotg_suspend(struct dwc2_hsotg *dwc2);
extern int s3c_hsotg_resume(struct dwc2_hsotg *dwc2);
extern int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq);
+extern void s3c_hsotg_core_init(struct dwc2_hsotg *dwc2);
#else
static inline int s3c_hsotg_remove(struct dwc2_hsotg *dwc2)
{ return 0; }
@@ -975,6 +976,7 @@ static inline int s3c_hsotg_resume(struct dwc2_hsotg *dwc2)
{ return 0; }
static inline int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
{ return 0; }
+static inline void s3c_hsotg_core_init(struct dwc2_hsotg *dwc2) {}
#endif
#if IS_ENABLED(CONFIG_USB_DWC2_HOST) || IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index c407d33..6793ca8 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2125,7 +2125,7 @@ static int s3c_hsotg_corereset(struct dwc2_hsotg *hsotg)
*
* Issue a soft reset to the core, and await the core finishing it.
*/
-static void s3c_hsotg_core_init(struct dwc2_hsotg *hsotg)
+void s3c_hsotg_core_init(struct dwc2_hsotg *hsotg)
{
s3c_hsotg_corereset(hsotg);
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 4a3cce0..44c609f 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1371,6 +1371,7 @@ static void dwc2_conn_id_status_change(struct work_struct *work)
hsotg->op_state = OTG_STATE_B_PERIPHERAL;
dwc2_core_init(hsotg, false, -1);
dwc2_enable_global_interrupts(hsotg);
+ s3c_hsotg_core_init(hsotg);
} else {
/* A-Device connector (Host Mode) */
dev_dbg(hsotg->dev, "connId A\n");
--
2.0.3
next prev parent reply other threads:[~2014-10-20 18:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-20 18:51 [PATCHv5 0/7] usb: dwc2: Add support for dual-role dinguyen
2014-10-20 18:52 ` [PATCHv5 1/7] usb: dwc2: Update the gadget driver to use common dwc2_hsotg structure dinguyen
2014-10-20 18:52 ` [PATCHv5 2/7] usb: dwc2: Move gadget probe function into platform code dinguyen
2014-10-22 11:16 ` Bartlomiej Zolnierkiewicz
2014-10-22 20:54 ` Paul Zimmerman
2014-10-23 19:08 ` Felipe Balbi
2014-10-20 18:52 ` dinguyen [this message]
2014-10-20 18:52 ` [PATCHv5 4/7] usb: dwc2: Update common interrupt handler to call gadget interrupt handler dinguyen
2014-10-20 18:52 ` [PATCHv5 5/7] usb: dwc2: Add call_gadget functions for perpheral mode interrupts dinguyen
2014-10-20 18:52 ` [PATCHv5 6/7] usb: dwc2: gadget: Do not fail probe if there isn't a clock node dinguyen
2014-10-20 18:52 ` [PATCHv5 7/7] usb: dwc2: Update Kconfig to support dual-role dinguyen
2014-10-20 19:42 ` Paul Bolle
2014-10-21 20:47 ` Dinh Nguyen
2014-10-22 18:45 ` Paul Zimmerman
2014-10-22 20:27 ` Paul Bolle
2014-10-23 15:05 ` Dinh Nguyen
2014-10-23 17:10 ` Paul Bolle
2014-10-22 12:25 ` Bartlomiej Zolnierkiewicz
2014-10-22 12:29 ` Bartlomiej Zolnierkiewicz
2014-10-23 18:28 ` Paul Zimmerman
2014-10-23 18:26 ` Dinh Nguyen
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