@@ -94,6 +94,8 @@ Optional properties:
- ti,no-idle-on-init interconnect target module should not be idled at init
+- ti,no-idle interconnect target module should not be idled
+
Example: Single instance of MUSB controller on omap4 using interconnect ranges
using offsets from l4_cfg second segment (0x4a000000 + 0x80000 = 0x4a0ab000):
@@ -3675,6 +3675,8 @@ int omap_hwmod_init_module(struct device *dev,
if (error)
return error;
+ if (data->cfg->quirks & SYSC_QUIRK_NO_IDLE)
+ oh->flags |= HWMOD_NO_IDLE;
if (data->cfg->quirks & SYSC_QUIRK_NO_IDLE_ON_INIT)
oh->flags |= HWMOD_INIT_NO_IDLE;
if (data->cfg->quirks & SYSC_QUIRK_NO_RESET_ON_INIT)
@@ -920,7 +920,8 @@ static int sysc_init_module(struct sysc *ddata)
{
int error;
- if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE_ON_INIT) {
+ if (ddata->cfg.quirks &
+ (SYSC_QUIRK_NO_IDLE | SYSC_QUIRK_NO_IDLE_ON_INIT)) {
ddata->revision = sysc_read_revision(ddata);
goto rev_quirks;
}
@@ -1281,6 +1282,8 @@ static const struct sysc_dts_quirk sysc_dts_quirks[] = {
.mask = SYSC_QUIRK_NO_IDLE_ON_INIT, },
{ .name = "ti,no-reset-on-init",
.mask = SYSC_QUIRK_NO_RESET_ON_INIT, },
+ { .name = "ti,no-idle",
+ .mask = SYSC_QUIRK_NO_IDLE, },
};
static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
@@ -46,8 +46,9 @@ struct sysc_regbits {
s8 emufree_shift;
};
-#define SYSC_QUIRK_LEGACY_IDLE BIT(8)
-#define SYSC_QUIRK_RESET_STATUS BIT(7)
+#define SYSC_QUIRK_LEGACY_IDLE BIT(9)
+#define SYSC_QUIRK_RESET_STATUS BIT(8)
+#define SYSC_QUIRK_NO_IDLE BIT(7)
#define SYSC_QUIRK_NO_IDLE_ON_INIT BIT(6)
#define SYSC_QUIRK_NO_RESET_ON_INIT BIT(5)
#define SYSC_QUIRK_OPT_CLKS_NEEDED BIT(4)
We have ti,no-idle in use in addition to ti,no-idle-on-init but we're missing handling for it in the ti-sysc interconnect target module driver. Let's also group the idle defines together and update the binding documentation for it. Cc: Rob Herring <robh@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Tony Lindgren <tony@atomide.com> --- Documentation/devicetree/bindings/bus/ti-sysc.txt | 2 ++ arch/arm/mach-omap2/omap_hwmod.c | 2 ++ drivers/bus/ti-sysc.c | 5 ++++- include/linux/platform_data/ti-sysc.h | 5 +++-- 4 files changed, 11 insertions(+), 3 deletions(-)