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authorDave Airlie <airlied@redhat.com>2012-05-07 16:09:09 +0100
committerDave Airlie <airlied@redhat.com>2012-05-07 16:09:35 +0100
commit4f256e8aa3eda15c11c3cec3ec5336e1fc579cbd (patch)
tree33c02b5e18e79756005a3edfa7c862a47de668d5 /arch/arm/mach-omap2/omap_hwmod_44xx_data.c
parent4086b1e2b19729eebf632073b9d4ab811726d8eb (diff)
parentdc257cf154be708ecc47b8b89c12ad8cd2cc35e4 (diff)
Merge branch 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next
Daniel prepared this branch with a back-merge as git was getting very confused about changes in intel_display.c
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod_44xx_data.c')
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_44xx_data.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index cc9bd106a85..6abc75753e4 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2594,6 +2594,15 @@ static struct omap_hwmod omap44xx_ipu_hwmod = {
static struct omap_hwmod_class_sysconfig omap44xx_iss_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x0010,
+ /*
+ * ISS needs 100 OCP clk cycles delay after a softreset before
+ * accessing sysconfig again.
+ * The lowest frequency at the moment for L3 bus is 100 MHz, so
+ * 1usec delay is needed. Add an x2 margin to be safe (2 usecs).
+ *
+ * TODO: Indicate errata when available.
+ */
+ .srst_udelay = 2,
.sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_RESET_STATUS |
SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |