[PATCH 3.2 077/102] init/Kconfig: Hide printk log config if CONFIG_PRINTK=n

[Ben Hutchings]

3.2.64-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

commit 361e9dfbaae84b0b246ed18d1ab7c82a1a41b53e upstream.

The buffers sized by CONFIG_LOG_BUF_SHIFT and
CONFIG_LOG_CPU_MAX_BUF_SHIFT do not exist if CONFIG_PRINTK=n, so don't
ask about their size at all.

Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
[bwh: Backported to 3.2: drop change to CONFIG_LOG_CPU_MAX_BUF_SHIFT]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -555,6 +555,7 @@ config LOG_BUF_SHIFT
 	int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
 	range 12 21
 	default 17
+	depends on PRINTK
 	help
 	  Select kernel log buffer size as a power of 2.
 	  Examples:

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