[PATCH v3 27/49] usb: dwc2: gadget: Moved dtxfsiz backup array place

[Grigor Tovmasyan <Grigor.Tovmasyan@xxxxxxxxxxxx>]

From: Vardan Mikayelyan <mvardan@xxxxxxxxxxxx>

Moved dtxfsiz from dwc2_gregs_backup to dwc2_dregs_backup,
because it is device register.

Signed-off-by: Vardan Mikayelyan <mvardan@xxxxxxxxxxxx>
Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>
Signed-off-by: Grigor Tovmasyan <tovmasya@xxxxxxxxxxxx>
---
 drivers/usb/dwc2/core.c   | 8 ++------
 drivers/usb/dwc2/core.h   | 4 ++--
 drivers/usb/dwc2/gadget.c | 2 ++
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index 35bd0bb101f7..f9201215fc56 100644
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -67,7 +67,8 @@
 static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg)
 {
 	struct dwc2_gregs_backup *gr;
-	int i;
+
+	dev_dbg(hsotg->dev, "%s\n", __func__);
 
 	/* Backup global regs */
 	gr = &hsotg->gr_backup;
@@ -81,8 +82,6 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg)
 	gr->hptxfsiz = dwc2_readl(hsotg->regs + HPTXFSIZ);
 	gr->gdfifocfg = dwc2_readl(hsotg->regs + GDFIFOCFG);
 	gr->pcgcctl1 = dwc2_readl(hsotg->regs + PCGCCTL1);
-	for (i = 0; i < MAX_EPS_CHANNELS; i++)
-		gr->dtxfsiz[i] = dwc2_readl(hsotg->regs + DPTXFSIZN(i));
 
 	gr->valid = true;
 	return 0;
@@ -98,7 +97,6 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg)
 static int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg)
 {
 	struct dwc2_gregs_backup *gr;
-	int i;
 
 	dev_dbg(hsotg->dev, "%s\n", __func__);
 
@@ -121,8 +119,6 @@ static int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg)
 	dwc2_writel(gr->hptxfsiz, hsotg->regs + HPTXFSIZ);
 	dwc2_writel(gr->gdfifocfg, hsotg->regs + GDFIFOCFG);
 	dwc2_writel(gr->pcgcctl1, hsotg->regs + PCGCCTL1);
-	for (i = 0; i < MAX_EPS_CHANNELS; i++)
-		dwc2_writel(gr->dtxfsiz[i], hsotg->regs + DPTXFSIZN(i));
 
 	return 0;
 }
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 50fb68e49b52..6773761a87fb 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -640,7 +640,6 @@ struct dwc2_hw_params {
  * @gi2cctl:		Backup of GI2CCTL register
  * @hptxfsiz:		Backup of HPTXFSIZ register
  * @gdfifocfg:		Backup of GDFIFOCFG register
- * @dtxfsiz:		Backup of DTXFSIZ registers for each endpoint
  * @gpwrdn:		Backup of GPWRDN register
  */
 struct dwc2_gregs_backup {
@@ -655,7 +654,6 @@ struct dwc2_gregs_backup {
 	u32 pcgcctl;
 	u32 pcgcctl1;
 	u32 gdfifocfg;
-	u32 dtxfsiz[MAX_EPS_CHANNELS];
 	u32 gpwrdn;
 	bool valid;
 };
@@ -674,6 +672,7 @@ struct dwc2_gregs_backup {
  * @doepctl:		Backup of DOEPCTL register
  * @doeptsiz:		Backup of DOEPTSIZ register
  * @doepdma:		Backup of DOEPDMA register
+ * @dtxfsiz:		Backup of DTXFSIZ registers for each endpoint
  */
 struct dwc2_dregs_backup {
 	u32 dcfg;
@@ -687,6 +686,7 @@ struct dwc2_dregs_backup {
 	u32 doepctl[MAX_EPS_CHANNELS];
 	u32 doeptsiz[MAX_EPS_CHANNELS];
 	u32 doepdma[MAX_EPS_CHANNELS];
+	u32 dtxfsiz[MAX_EPS_CHANNELS];
 	bool valid;
 };
 
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 29634aab16ca..754195aa66a6 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4877,6 +4877,7 @@ int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg)
 
 		dr->doeptsiz[i] = dwc2_readl(hsotg->regs + DOEPTSIZ(i));
 		dr->doepdma[i] = dwc2_readl(hsotg->regs + DOEPDMA(i));
+		dr->dtxfsiz[i] = dwc2_readl(hsotg->regs + DPTXFSIZN(i));
 	}
 	dr->valid = true;
 	return 0;
@@ -4917,6 +4918,7 @@ int dwc2_restore_device_registers(struct dwc2_hsotg *hsotg)
 		dwc2_writel(dr->diepctl[i], hsotg->regs + DIEPCTL(i));
 		dwc2_writel(dr->dieptsiz[i], hsotg->regs + DIEPTSIZ(i));
 		dwc2_writel(dr->diepdma[i], hsotg->regs + DIEPDMA(i));
+		dwc2_writel(dr->dtxfsiz[i], hsotg->regs + DPTXFSIZN(i));
 
 		/* Restore OUT EPs */
 		dwc2_writel(dr->doepctl[i], hsotg->regs + DOEPCTL(i));
-- 
2.11.0

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