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* clk: at91: fix possible deadlockAlexandre Belloni2019-12-161-1/+1
| | | | | | | | | | | | | | | | Lockdep warns about a possible circular locking dependency because using syscon_node_to_regmap() will make the created regmap get and enable the first clock it can parse from the device tree. This clock is not needed to access the registers and should not be enabled at that time. Use the recently introduced device_node_to_regmap to solve that as it looks up the regmap in the same list but doesn't care about the clocks. Reported-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lkml.kernel.org/r/20191128102531.817549-1-alexandre.belloni@bootlin.com Tested-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
* clk: at91: Mark struct clk_range as constStephen Boyd2019-04-251-7/+7
| | | | | | | | It's just some static data that doesn't get changed after being used. Mark it const everywhere. Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
* clk: at91: add at91sam9260 PMC driverAlexandre Belloni2018-10-171-0/+494
Add a driver for the PMC clocks of the at91sam9260, at91sam9261, at91am9263 and at91sam9g20 SoCs. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> [sboyd@kernel.org: Make i signed to fix signedness bug] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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