Author: avg
Date: Mon Sep 7 06:48:08 2020
New Revision: 365400
URL: https://svnweb.freebsd.org/changeset/base/365400
Log:
musb/allwinner: apply register filter in awusbdrd_bs_r_2() as well
Otherwise, I get this panic:
panic: awusbdrd_reg: Invalid register 0x342
It looks that musb code both writes and reads at least MUSB2_REG_TXDBDIS.
MFC after: 5 weeks
X-MFC after: r365399
Modified:
head/sys/dev/usb/controller/musb_otg_allwinner.c
Modified: head/sys/dev/usb/controller/musb_otg_allwinner.c
==============================================================================
--- head/sys/dev/usb/controller/musb_otg_allwinner.c Mon Sep 7 06:44:24
2020 (r365399)
+++ head/sys/dev/usb/controller/musb_otg_allwinner.c Mon Sep 7 06:48:08
2020 (r365400)
@@ -259,6 +259,8 @@ awusbdrd_bs_r_2(awusb_bs_tag t, bus_space_handle_t h,
{
const struct bus_space *bs = t;
+ if (awusbdrd_filt(o) != 0)
+ return (0);
return bus_space_read_2(bs_parent_space(bs), h, awusbdrd_reg(o));
}
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