From 9770a16fd9d9c5a91378d53732be1d2ec599bfcf Mon Sep 17 00:00:00 2001 From: Yuan-Hsin Chen Date: Tue, 2 Apr 2013 11:15:28 +0000 Subject: [PATCH] usb: gadget: fusb300_udc: add FUSB300_EPSET0_STL_CLR for clearing EP0 stall The final version of fusb300 controller adds EPSET0_STL_CLR for clearing EP0 stall and also removes EPSET0_EPn_TX0BYTE. fusb300_udc driver is tested on FARADAY platform a369 with FUSB300 FPGA v1.8 Signed-off-by: Yuan-Hsin Chen Signed-off-by: Felipe Balbi --- drivers/usb/gadget/fusb300_udc.c | 2 +- drivers/usb/gadget/fusb300_udc.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c index d05355389dd6..db0d2917987a 100644 --- a/drivers/usb/gadget/fusb300_udc.c +++ b/drivers/usb/gadget/fusb300_udc.c @@ -394,7 +394,7 @@ static void fusb300_clear_epnstall(struct fusb300 *fusb300, u8 ep) if (reg & FUSB300_EPSET0_STL) { printk(KERN_DEBUG "EP%d stall... Clear!!\n", ep); - reg &= ~FUSB300_EPSET0_STL; + reg |= FUSB300_EPSET0_STL_CLR; iowrite32(reg, fusb300->reg + FUSB300_OFFSET_EPSET0(ep)); } } diff --git a/drivers/usb/gadget/fusb300_udc.h b/drivers/usb/gadget/fusb300_udc.h index 6ba444ae8dd5..ae811d8d38b4 100644 --- a/drivers/usb/gadget/fusb300_udc.h +++ b/drivers/usb/gadget/fusb300_udc.h @@ -111,8 +111,8 @@ /* * * EPn Setting 0 (EPn_SET0, offset = 020H+(n-1)*30H, n=1~15 ) * */ +#define FUSB300_EPSET0_STL_CLR (1 << 3) #define FUSB300_EPSET0_CLRSEQNUM (1 << 2) -#define FUSB300_EPSET0_EPn_TX0BYTE (1 << 1) #define FUSB300_EPSET0_STL (1 << 0) /* -- GitLab