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authorPawel Laszczak <pawell@cadence.com>2020-07-13 12:05:51 +0200
committerFelipe Balbi <balbi@kernel.org>2020-07-24 16:45:13 +0300
commit08c35dd3cc2184dcc952fc845329dcae1ee302d3 (patch)
treecec83fbefb65e642e3db43dc988d240416117b87 /drivers
parent245258495a5157e4428bd944189e4062d852dcdd (diff)
usb: cdns3: Added CDNS3_ID_PERIPHERAL and CDNS3_ID_HOST
Patch adds 2 definitions that make it easier to understand the code. Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Pawel Laszczak <pawell@cadence.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/cdns3/drd.c4
-rw-r--r--drivers/usb/cdns3/drd.h3
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);