[U-Boot] [PATCH 1/2] usb: gadget: fotg210: add w1c interrupt status support
Kuo-Jung Su
dantesu at gmail.com
Wed Dec 18 08:24:48 CET 2013
From: Kuo-Jung Su <dantesu at faraday-tech.com>
Since hardware revision 1.11.0, the following interrupt status registers
are now write-1-clear (w1c):
1. Interrupt Source Group 0 Register (0x144) (EP0 Abort: BIT5)
2. Interrupt Source Group 2 Register (0x14C) (All bits)
Signed-off-by: Kuo-Jung Su <dantesu at faraday-tech.com>
CC: Marek Vasut <marex at denx.de>
---
drivers/usb/gadget/fotg210.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/fotg210.c b/drivers/usb/gadget/fotg210.c
index 6e19db1..e3a61cc 100644
--- a/drivers/usb/gadget/fotg210.c
+++ b/drivers/usb/gadget/fotg210.c
@@ -847,8 +847,11 @@ int usb_gadget_handle_interrupts(void)
/* CX interrupts */
if (gisr & GISR_GRP0) {
st = readl(®s->gisr0);
+#ifdef CONFIG_USB_GADGET_FOTG210_ISRW1C
+ writel(st & GISR0_CXABORT, ®s->gisr0);
+#else
writel(0, ®s->gisr0);
-
+#endif
if (st & GISR0_CXERR)
printf("fotg210: cmd error\n");
@@ -873,8 +876,11 @@ int usb_gadget_handle_interrupts(void)
/* Device Status Interrupts */
if (gisr & GISR_GRP2) {
st = readl(®s->gisr2);
+#ifdef CONFIG_USB_GADGET_FOTG210_ISRW1C
+ writel(st, ®s->gisr2);
+#else
writel(0, ®s->gisr2);
-
+#endif
if (st & GISR2_RESET)
printf("fotg210: reset by host\n");
else if (st & GISR2_SUSPEND)
--
1.7.9.5
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