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3 Commits

Author SHA1 Message Date
Sascha Hauer 05fd8e73e1 clkdev: add possibility to get a clock based on the device name 
This adds clk_get_sys to get a clock without the associated struct
device.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2009-03-27 14:51:13 +01:00
Russell King 409dc360b4 [ARM] clkdev: fix clock matching 
The old matching algorithm was too fuzzy, causing false positives.
For example, when asked for device D connection C1 and we only find
device D connection C2, we return that as a valid match despite the
connection names being different.

Change the algorithm such that:
  An entry with a NULL ID is assumed to be a wildcard.
  If an entry has a device ID, it must match
  If an entry has a connection ID, it must match

However, we maintain the order of precidence while still only doing
a single pass over all entries: dev+con > dev only > con only.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2009-01-24 11:41:20 +00:00
Russell King 0318e693d3 [ARM] clkdev: add generic clkdev infrastructure 
Add some generic infrastructure to assist looking up struct clks
for the ARM architecture.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2008-11-27 12:38:21 +00:00