[v2,6/9] usb: cdns3: Added CDNS3_ID_PERIPHERAL and CDNS3_ID_HOST
diff mbox series

Message ID 20200713100554.28530-7-pawell@cadence.com
State In Next
Commit 08c35dd3cc2184dcc952fc845329dcae1ee302d3
Headers show
Series
  • usb: cdns3: Improvements for cdns3 DRD code
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Commit Message

Pawel Laszczak July 13, 2020, 10:05 a.m. UTC
Patch adds 2 definitions that make it easier to understand the code.

Signed-off-by: Pawel Laszczak <pawell@cadence.com>
---
 drivers/usb/cdns3/drd.c | 4 ++--
 drivers/usb/cdns3/drd.h | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

Comments

Peter Chen July 22, 2020, 12:38 a.m. UTC | #1
On 20-07-13 12:05:51, Pawel Laszczak wrote:
> Patch adds 2 definitions that make it easier to understand the code.
> 
> Signed-off-by: Pawel Laszczak <pawell@cadence.com>
> ---
>  drivers/usb/cdns3/drd.c | 4 ++--
>  drivers/usb/cdns3/drd.h | 3 +++
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
> index 6fe092c828b3..8e7673da905e 100644
> --- a/drivers/usb/cdns3/drd.c
> +++ b/drivers/usb/cdns3/drd.c
> @@ -87,7 +87,7 @@ bool cdns3_is_host(struct cdns3 *cdns)
>  {
>  	if (cdns->dr_mode == USB_DR_MODE_HOST)
>  		return true;
> -	else if (!cdns3_get_id(cdns))
> +	else if (cdns3_get_id(cdns) == CDNS3_ID_HOST)
>  		return true;
>  
>  	return false;
> @@ -98,7 +98,7 @@ bool cdns3_is_device(struct cdns3 *cdns)
>  	if (cdns->dr_mode == USB_DR_MODE_PERIPHERAL)
>  		return true;
>  	else if (cdns->dr_mode == USB_DR_MODE_OTG)
> -		if (cdns3_get_id(cdns))
> +		if (cdns3_get_id(cdns) == CDNS3_ID_PERIPHERAL)
>  			return true;
>  
>  	return false;
> diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h
> index 35b6d459ee58..3889fead9df1 100644
> --- a/drivers/usb/cdns3/drd.h
> +++ b/drivers/usb/cdns3/drd.h
> @@ -153,6 +153,9 @@ struct cdns3_otg_common_regs {
>  /* Only for CDNS3_CONTROLLER_V0 version */
>  #define OVERRIDE_IDPULLUP_V0		BIT(24)
>  
> +#define CDNS3_ID_PERIPHERAL		1

Since you use cdns3_is_device for function name, it is
better define as CDNS3_ID_DEVICE.

Otherwise:

Reviewed-by: Peter Chen <peter.chen@nxp.com>

> +#define CDNS3_ID_HOST			0
> +
>  bool cdns3_is_host(struct cdns3 *cdns);
>  bool cdns3_is_device(struct cdns3 *cdns);
>  int cdns3_get_id(struct cdns3 *cdns);
> -- 
> 2.17.1
>

Patch
diff mbox series

diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 6fe092c828b3..8e7673da905e 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -87,7 +87,7 @@  bool cdns3_is_host(struct cdns3 *cdns)
 {
 	if (cdns->dr_mode == USB_DR_MODE_HOST)
 		return true;
-	else if (!cdns3_get_id(cdns))
+	else if (cdns3_get_id(cdns) == CDNS3_ID_HOST)
 		return true;
 
 	return false;
@@ -98,7 +98,7 @@  bool cdns3_is_device(struct cdns3 *cdns)
 	if (cdns->dr_mode == USB_DR_MODE_PERIPHERAL)
 		return true;
 	else if (cdns->dr_mode == USB_DR_MODE_OTG)
-		if (cdns3_get_id(cdns))
+		if (cdns3_get_id(cdns) == CDNS3_ID_PERIPHERAL)
 			return true;
 
 	return false;
diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h
index 35b6d459ee58..3889fead9df1 100644
--- a/drivers/usb/cdns3/drd.h
+++ b/drivers/usb/cdns3/drd.h
@@ -153,6 +153,9 @@  struct cdns3_otg_common_regs {
 /* Only for CDNS3_CONTROLLER_V0 version */
 #define OVERRIDE_IDPULLUP_V0		BIT(24)
 
+#define CDNS3_ID_PERIPHERAL		1
+#define CDNS3_ID_HOST			0
+
 bool cdns3_is_host(struct cdns3 *cdns);
 bool cdns3_is_device(struct cdns3 *cdns);
 int cdns3_get_id(struct cdns3 *cdns);