summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorLee Jones <lee.jones@linaro.org>2016-02-11 21:19:09 (GMT)
committerMichael Turquette <mturquette@baylibre.com>2016-04-09 18:58:10 (GMT)
commit32b9b10961860860268961d9aad0c56a73018c37 (patch)
tree11f87cde0a2b51009dac9bd872421c95cb487009 /include
parentc0553d04f8d35bf9706e20ba392ffa61ab2b6f5c (diff)
downloadlinux-32b9b10961860860268961d9aad0c56a73018c37.tar.xz
clk: Allow clocks to be marked as CRITICAL
Critical clocks are those which must not be gated, else undefined or catastrophic failure would occur. Here we have chosen to ensure the prepare/enable counts are correctly incremented, so as not to confuse users with enabled clocks with no visible users. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Michael Turquette <mturquette@baylibre.com> Link: lkml.kernel.org/r/1455225554-13267-2-git-send-email-mturquette@baylibre.com
Diffstat (limited to 'include')
-rw-r--r--include/linux/clk-provider.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index da95258..0638b41 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -32,6 +32,7 @@
#define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */
#define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */
#define CLK_SET_RATE_UNGATE BIT(10) /* clock needs to run to set rate */
+#define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */
struct clk;
struct clk_hw;