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tty: Update hypervisor tty drivers to use core stdout parsing code.

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The evh_bytechan, hvc_opal and hvc_vio drivers all open code the parsing
of the stdout node in the device tree. This patch simplifies the driver
by removing the duplicated functionality.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
Grant Likely
2014-03-28 08:12:18 -07:00
parent 0038821803
commit a752ee56ad
5 changed files with 22 additions and 71 deletions
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include/linux/of.h
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@@ -113,6 +113,7 @@ static inline void of_node_put(struct device_node *node) { }
extern struct device_node *of_allnodes;
extern struct device_node *of_chosen;
extern struct device_node *of_aliases;
extern struct device_node *of_stdout;
extern raw_spinlock_t devtree_lock;
static inline bool of_have_populated_dt(void)