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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2017-11-13 11:59:18 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-11-28 14:04:54 +0300
commita58204ab91ad8cae4d8474aa0ba5d1fc504860c9 (patch)
tree0daaf76d80ef34ddd1ecc7174037abd798398247
parentb2fc059fa549fe6881d4c1f8d698b0f50bcd16ec (diff)
downloadlinux-a58204ab91ad8cae4d8474aa0ba5d1fc504860c9.tar.xz
usb: gadget: udc: renesas_usb3: fix number of the pipes
This controller on R-Car Gen3 has 6 pipes that included PIPE 0 for control actually. But, the datasheet has error in writing as it has 31 pipes. (However, the previous code defined 30 pipes wrongly...) Anyway, this patch fixes it. Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for Renesas USB3.0 peripheral controller") Cc: <stable@vger.kernel.org> # v4.5+ Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
-rw-r--r--drivers/usb/gadget/udc/renesas_usb3.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index bc37f40baacf..6e87af248367 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -252,7 +252,7 @@
#define USB3_EP0_SS_MAX_PACKET_SIZE 512
#define USB3_EP0_HSFS_MAX_PACKET_SIZE 64
#define USB3_EP0_BUF_SIZE 8
-#define USB3_MAX_NUM_PIPES 30
+#define USB3_MAX_NUM_PIPES 6 /* This includes PIPE 0 */
#define USB3_WAIT_US 3
#define USB3_DMA_NUM_SETTING_AREA 4
/*