[PATCH 6/9] usb: cdns3: Added CDNS3_ID_PERIPHERAL and CDNS3_ID_HOST

Pawel Laszczak
2020-07-01T06:23:32Z

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
+#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