* Factor out code for clearing raised IRQs from exynos_tmu_work() to
exynos_tmu_clear_irqs().
* Add a comment about documentation bugs to exynos_tmu_clear_irqs().
[ The documentation for Exynos3250, Exynos4412, Exynos5250 and
Exynos5260 incorrectly states that INTCLEAR register has
a different placing of bits responsible for FALL IRQs than
INTSTAT register. Exynos5420 and Exynos5440 documentation is
correct (Exynos4210 doesn't support FALL IRQs at all). ]
* Use exynos_tmu_clear_irqs() in exynos_tmu_initialize() instead
of open-coded code trying to clear IRQs according to predefined
masks. After this change exynos_tmu_initialize() just clears
IRQs that are raised like it is already done in exynos_tmu_work().
As a nice side-effect the code now uses the correct offset
(16 instead of 12) for bits responsible for clearing FALL IRQs
in INTCLEAR register on Exynos3250, Exynos4412 and Exynos5250.
* Remove no longer needed intclr_rise_[mask,shift] and
intclr_fall_[mask,shift] fields from struct exynos_tmu_registers.
* Remove no longer needed defines.
This patch has been tested on Exynos4412 and Exynos5420 SoCs.
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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