clk: sunxi-ng: nkmp: Explain why zero width check is needed
authorJernej Skrabec <jernej.skrabec@siol.net>
Wed, 3 Apr 2019 15:14:04 +0000 (17:14 +0200)
committerMaxime Ripard <maxime.ripard@bootlin.com>
Thu, 4 Apr 2019 07:32:32 +0000 (09:32 +0200)
commit1054e4dd1cbbb7bf5cc836832648f9972134ef67
tree74ba5e554dbdf3d6b197bed2bdeff31c437ac904
parent2abc330c514fe56c570bb1a6318b054b06a4f72e
clk: sunxi-ng: nkmp: Explain why zero width check is needed

Add an explanation why zero width check is needed when generating factor
mask using GENMASK() macro.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
drivers/clk/sunxi-ng/ccu_nkmp.c