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authorGeert Uytterhoeven <geert+renesas@glider.be>2015-04-15 16:17:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 16:35:23 -0700
commit900cca2944254edd2d54dc181629314d3177a4af (patch)
tree3e1688e275f749d53d6b276ed00260243d254e0c /Documentation/printk-formats.txt
parente8a7ba5f5c8c0c94c0c7f1bcd53c0289560c7446 (diff)
downloadkernel-900cca2944254edd2d54dc181629314d3177a4af.tar.gz
lib/vsprintf: add %pC{,n,r} format specifiers for clocks
Add format specifiers for printing struct clk: - '%pC' or '%pCn': name (Common Clock Framework) or address (legacy clock framework) of the clock, - '%pCr': rate of the clock. [akpm@linux-foundation.org: omit code if !CONFIG_HAVE_CLK] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Mike Turquette <mturquette@linaro.org> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/printk-formats.txt')
-rw-r--r--Documentation/printk-formats.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 56804e40cb18..cb6a596072bb 100644
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -261,6 +261,18 @@ struct va_format:
Passed by reference.
+struct clk:
+
+ %pC pll1
+ %pCn pll1
+ %pCr 1560000000
+
+ For printing struct clk structures. '%pC' and '%pCn' print the name
+ (Common Clock Framework) or address (legacy clock framework) of the
+ structure; '%pCr' prints the current clock rate.
+
+ Passed by reference.
+
Thank you for your cooperation and attention.