Re: [PATCH 1/2] staging: emxx_udc: Replace ERR by dev_err

Re: [PATCH 1/2] staging: emxx_udc: Replace ERR by dev_err

[Jeremiah Mahler]

Ahmad,

On Wed, Jan 21, 2015 at 01:55:11PM -0900, Ahmad Hassan wrote:
[...]
>  	if (udc == NULL) {
> -		ERR("%s udc == NULL\n", __func__);
> +		dev_err(udc->dev,"%s udc == NULL\n", __func__);
                      ^^^^^

Always check your patches with checkpatch.pl before submitting them.

There are a bunch of "space required after ','" errors in this patch.

-- 
- Jeremiah Mahler

Re: [PATCH 2/2] staging: emxx_udc: remove macro ERR

[Tobias Klauser]

On 2015-01-21 at 23:56:06 +0100, Ahmad Hassan <ahmad.hassan612@gmail.com> wrote:
> Removed ERR macro since it is not used anymore in the emxx_udc.c file.
> 
> Signed-off-by: Ahmad Hassan <ahmad.hassan612@gmail.com>
> ---
>  drivers/staging/emxx_udc/emxx_udc.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/staging/emxx_udc/emxx_udc.h b/drivers/staging/emxx_udc/emxx_udc.h
> index ee1b80d..0758cd5 100644
> --- a/drivers/staging/emxx_udc/emxx_udc.h
> +++ b/drivers/staging/emxx_udc/emxx_udc.h
> @@ -644,6 +644,5 @@ typedef volatile union {
>  } USB_REG_ACCESS;
>  
>  /*-------------------------------------------------------------------------*/

While at it, you could also remove the line above.

> -#define ERR(stuff...)		printk(KERN_ERR "udc: " stuff)
>  
>  #endif  /* _LINUX_EMXX_H */
> -- 
> 2.2.1
> 
> _______________________________________________
> devel mailing list
> devel@linuxdriverproject.org
> http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
> 

[PATCH 0/2] Replacing ERR by dev_err

[Ahmad Hassan]

This patch set removes the macro ERR from emxx_udc.h and accordingly
emxx_udc.c occurrences of ERR changes to dev_err

Ahmad Hassan (2):
  staging: emxx_udc: Replace ERR by dev_err
  staging: emxx_udc: remove macro ERR

 drivers/staging/emxx_udc/emxx_udc.c | 80 ++++++++++++++++++-------------------
 drivers/staging/emxx_udc/emxx_udc.h |  1 -
 2 files changed, 40 insertions(+), 41 deletions(-)

-- 
2.2.1

[PATCH 1/2] staging: emxx_udc: Replace ERR by dev_err

[Ahmad Hassan]

Replaced all occurences of ERR with dev_err.
The device passed to dev_err is udc->dev.

Signed-off-by: Ahmad Hassan <ahmad.hassan612@gmail.com>
---
 drivers/staging/emxx_udc/emxx_udc.c | 80 ++++++++++++++++++-------------------
 1 file changed, 40 insertions(+), 40 deletions(-)

diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index eb178fc..e7aaad4 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -115,7 +115,7 @@ static void _nbu2ss_dump_register(struct nbu2ss_udc *udc)
 	pr_info("=== %s()\n", __func__);
 
 	if (udc == NULL) {
-		ERR("%s udc == NULL\n", __func__);
+		dev_err(udc->dev,"%s udc == NULL\n", __func__);
 		return;
 	}
 
@@ -808,7 +808,7 @@ static int _nbu2ss_ep0_out_transfer(
 		return 0;		/* Short Packet Transfer End */
 
 	if (req->req.actual > req->req.length) {
-		ERR(" *** Overrun Error\n");
+		dev_err(udc->dev," *** Overrun Error\n");
 		return -EOVERFLOW;
 	}
 
@@ -1026,8 +1026,8 @@ static int _nbu2ss_epn_out_transfer(
 	}
 
 	if (req->req.actual > req->req.length) {
-		ERR(" *** Overrun Error\n");
-		ERR(" *** actual = %d, length = %d\n",
+		dev_err(udc->dev," *** Overrun Error\n");
+		dev_err(udc->dev," *** actual = %d, length = %d\n",
 			req->req.actual, req->req.length);
 		result = -EOVERFLOW;
 	}
@@ -1638,7 +1638,7 @@ static int std_req_get_status(struct nbu2ss_udc *udc)
 		_nbu2ss_ep0_in_transfer(udc, &udc->ep[0], &udc->ep0_req);
 
 	} else {
-		ERR("*** Error GET_STATUS\n");
+		dev_err(udc->dev,"*** Error GET_STATUS\n");
 	}
 
 	return result;
@@ -2258,7 +2258,7 @@ static int _nbu2ss_pullup(struct nbu2ss_udc *udc, int is_on)
 	u32	reg_dt;
 
 	if (!udc) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
@@ -2350,7 +2350,7 @@ static int _nbu2ss_enable_controller(struct nbu2ss_udc *udc)
 		waitcnt++;
 		udelay(1);	/* 1us wait */
 		if (waitcnt == EPC_PLL_LOCK_COUNT) {
-			ERR("*** Reset Cancel failed\n");
+			dev_err(udc->dev,"*** Reset Cancel failed\n");
 			return -EINVAL;
 		}
 	};
@@ -2612,13 +2612,13 @@ static int nbu2ss_ep_enable(
 	struct nbu2ss_udc	*udc;
 
 	if ((_ep == NULL) || (desc == NULL)) {
-		ERR(" *** %s, bad param\n", __func__);
+		dev_err(udc->dev," *** %s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
 	ep = container_of(_ep, struct nbu2ss_ep, ep);
 	if ((ep == NULL) || (ep->udc == NULL)) {
-		ERR(" *** %s, ep == NULL !!\n", __func__);
+		dev_err(udc->dev," *** %s, ep == NULL !!\n", __func__);
 		return -EINVAL;
 	}
 
@@ -2626,7 +2626,7 @@ static int nbu2ss_ep_enable(
 	if ((ep_type == USB_ENDPOINT_XFER_CONTROL)
 		|| (ep_type == USB_ENDPOINT_XFER_ISOC)) {
 
-		ERR(" *** %s, bat bmAttributes\n", __func__);
+		dev_err(udc->dev," *** %s, bat bmAttributes\n", __func__);
 		return -EINVAL;
 	}
 
@@ -2637,7 +2637,7 @@ static int nbu2ss_ep_enable(
 	if ((udc->driver == NULL)
 		|| (udc->gadget.speed == USB_SPEED_UNKNOWN)) {
 
-		ERR(" *** %s, udc !!\n", __func__);
+		dev_err(udc->dev," *** %s, udc !!\n", __func__);
 		return -ESHUTDOWN;
 	}
 
@@ -2672,13 +2672,13 @@ static int nbu2ss_ep_disable(struct usb_ep *_ep)
 	unsigned long		flags;
 
 	if (_ep == NULL) {
-		ERR(" *** %s, bad param\n", __func__);
+		dev_err(udc->dev," *** %s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
 	ep = container_of(_ep, struct nbu2ss_ep, ep);
 	if ((ep == NULL) || (ep->udc == NULL)) {
-		ERR(" *** %s, ep == NULL !!\n", __func__);
+		dev_err(udc->dev," *** %s, ep == NULL !!\n", __func__);
 		return -EINVAL;
 	}
 
@@ -2742,10 +2742,10 @@ static int nbu2ss_ep_queue(
 	/* catch various bogus parameters */
 	if ((_ep == NULL) || (_req == NULL)) {
 		if (_ep == NULL)
-			ERR("*** %s --- _ep == NULL\n", __func__);
+			dev_err(udc->dev,"*** %s --- _ep == NULL\n", __func__);
 
 		if (_req == NULL)
-			ERR("*** %s --- _req == NULL\n", __func__);
+			dev_err(udc->dev,"*** %s --- _req == NULL\n", __func__);
 
 		return -EINVAL;
 	}
@@ -2756,13 +2756,13 @@ static int nbu2ss_ep_queue(
 	     || !list_empty(&req->queue))) {
 
 		if (!_req->complete)
-			ERR("*** %s --- !_req->complete\n", __func__);
+			dev_err(udc->dev,"*** %s --- !_req->complete\n", __func__);
 
 		if (!_req->buf)
-			ERR("*** %s --- !_req->buf\n", __func__);
+			dev_err(udc->dev,"*** %s --- !_req->buf\n", __func__);
 
 		if (!list_empty(&req->queue))
-			ERR("*** %s --- !list_empty(&req->queue)\n", __func__);
+			dev_err(udc->dev,"*** %s --- !list_empty(&req->queue)\n", __func__);
 
 		return -EINVAL;
 	}
@@ -2778,7 +2778,7 @@ static int nbu2ss_ep_queue(
 	}
 
 	if (unlikely(!udc->driver)) {
-		ERR("%s, bogus device state %p\n", __func__, udc->driver);
+		dev_err(udc->dev,"%s, bogus device state %p\n", __func__, udc->driver);
 		return -ESHUTDOWN;
 	}
 
@@ -2817,7 +2817,7 @@ static int nbu2ss_ep_queue(
 
 		result = _nbu2ss_start_transfer(udc, ep, req, FALSE);
 		if (result < 0) {
-			ERR(" *** %s, result = %d\n", __func__, result);
+			dev_err(udc->dev," *** %s, result = %d\n", __func__, result);
 			list_del(&req->queue);
 		} else if ((ep->epnum > 0) && (ep->direct == USB_DIR_OUT)) {
 #ifdef USE_DMA
@@ -2849,13 +2849,13 @@ static int nbu2ss_ep_dequeue(
 
 	/* catch various bogus parameters */
 	if ((_ep == NULL) || (_req == NULL)) {
-		/* ERR("%s, bad param(1)\n", __func__); */
+		/* dev_err(udc->dev,"%s, bad param(1)\n", __func__); */
 		return -EINVAL;
 	}
 
 	ep = container_of(_ep, struct nbu2ss_ep, ep);
 	if (!ep) {
-		ERR("%s, ep == NULL !!\n", __func__);
+		dev_err(udc->dev,"%s, ep == NULL !!\n", __func__);
 		return -EINVAL;
 	}
 
@@ -2895,19 +2895,19 @@ static int nbu2ss_ep_set_halt(struct usb_ep *_ep, int value)
 /*	INFO("=== %s()\n", __func__); */
 
 	if (!_ep) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
 	ep = container_of(_ep, struct nbu2ss_ep, ep);
 	if (!ep) {
-		ERR("%s, bad ep\n", __func__);
+		dev_err(udc->dev,"%s, bad ep\n", __func__);
 		return -EINVAL;
 	}
 
 	udc = ep->udc;
 	if (!udc) {
-		ERR(" *** %s, bad udc\n", __func__);
+		dev_err(udc->dev," *** %s, bad udc\n", __func__);
 		return -EINVAL;
 	}
 
@@ -2949,19 +2949,19 @@ static int nbu2ss_ep_fifo_status(struct usb_ep *_ep)
 /*	INFO("=== %s()\n", __func__); */
 
 	if (!_ep) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
 	ep = container_of(_ep, struct nbu2ss_ep, ep);
 	if (!ep) {
-		ERR("%s, bad ep\n", __func__);
+		dev_err(udc->dev,"%s, bad ep\n", __func__);
 		return -EINVAL;
 	}
 
 	udc = ep->udc;
 	if (!udc) {
-		ERR("%s, bad udc\n", __func__);
+		dev_err(udc->dev,"%s, bad udc\n", __func__);
 		return -EINVAL;
 	}
 
@@ -2997,19 +2997,19 @@ static void  nbu2ss_ep_fifo_flush(struct usb_ep *_ep)
 /*	INFO("=== %s()\n", __func__); */
 
 	if (!_ep) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return;
 	}
 
 	ep = container_of(_ep, struct nbu2ss_ep, ep);
 	if (!_ep) {
-		ERR("%s, bad ep\n", __func__);
+		dev_err(udc->dev,"%s, bad ep\n", __func__);
 		return;
 	}
 
 	udc = ep->udc;
 	if (!udc) {
-		ERR("%s, bad udc\n", __func__);
+		dev_err(udc->dev,"%s, bad udc\n", __func__);
 		return;
 	}
 
@@ -3053,13 +3053,13 @@ static int nbu2ss_gad_get_frame(struct usb_gadget *pgadget)
 /*	INFO("=== %s()\n", __func__); */
 
 	if (pgadget == NULL) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
 	udc = container_of(pgadget, struct nbu2ss_udc, gadget);
 	if (udc == NULL) {
-		ERR("%s, udc == NULL\n", __func__);
+		dev_err(udc->dev,"%s, udc == NULL\n", __func__);
 		return -EINVAL;
 	}
 
@@ -3083,13 +3083,13 @@ static int nbu2ss_gad_wakeup(struct usb_gadget *pgadget)
 /*	INFO("=== %s()\n", __func__); */
 
 	if (pgadget == NULL) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
 	udc = container_of(pgadget, struct nbu2ss_udc, gadget);
 	if (udc == NULL) {
-		ERR("%s, udc == NULL\n", __func__);
+		dev_err(udc->dev,"%s, udc == NULL\n", __func__);
 		return -EINVAL;
 	}
 
@@ -3123,7 +3123,7 @@ static int nbu2ss_gad_set_selfpowered(struct usb_gadget *pgadget,
 /*	INFO("=== %s()\n", __func__); */
 
 	if (pgadget == NULL) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
@@ -3152,7 +3152,7 @@ static int nbu2ss_gad_vbus_draw(struct usb_gadget *pgadget, unsigned mA)
 /*	INFO("=== %s()\n", __func__); */
 
 	if (pgadget == NULL) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
@@ -3174,7 +3174,7 @@ static int nbu2ss_gad_pullup(struct usb_gadget *pgadget, int is_on)
 /*	INFO("=== %s()\n", __func__); */
 
 	if (pgadget == NULL) {
-		ERR("%s, bad param\n", __func__);
+		dev_err(udc->dev,"%s, bad param\n", __func__);
 		return -EINVAL;
 	}
 
@@ -3369,7 +3369,7 @@ static int nbu2ss_drv_probe(struct platform_device *pdev)
 
 	/* USB Function Controller Interrupt */
 	if (status != 0) {
-		ERR("request_irq(USB_UDC_IRQ_1) failed\n");
+		dev_err(udc->dev,"request_irq(USB_UDC_IRQ_1) failed\n");
 		goto cleanup1;
 	}
 
@@ -3389,7 +3389,7 @@ static int nbu2ss_drv_probe(struct platform_device *pdev)
 				udc);
 
 	if (status != 0) {
-		ERR("request_irq(INT_VBUS) failed\n");
+		dev_err(udc->dev,"request_irq(INT_VBUS) failed\n");
 		goto cleanup1;
 	}
 
-- 
2.2.1

[PATCH 2/2] staging: emxx_udc: remove macro ERR

[Ahmad Hassan]

Removed ERR macro since it is not used anymore in the emxx_udc.c file.

Signed-off-by: Ahmad Hassan <ahmad.hassan612@gmail.com>
---
 drivers/staging/emxx_udc/emxx_udc.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/emxx_udc/emxx_udc.h b/drivers/staging/emxx_udc/emxx_udc.h
index ee1b80d..0758cd5 100644
--- a/drivers/staging/emxx_udc/emxx_udc.h
+++ b/drivers/staging/emxx_udc/emxx_udc.h
@@ -644,6 +644,5 @@ typedef volatile union {
 } USB_REG_ACCESS;
 
 /*-------------------------------------------------------------------------*/
-#define ERR(stuff...)		printk(KERN_ERR "udc: " stuff)
 
 #endif  /* _LINUX_EMXX_H */
-- 
2.2.1