pwm: atmel-tcb: fix max time computation for slow clk source
authorBoris BREZILLON <b.brezillon@overkiz.com>
Wed, 18 Sep 2013 15:06:21 +0000 (17:06 +0200)
committerThierry Reding <thierry.reding@gmail.com>
Thu, 19 Sep 2013 12:04:32 +0000 (14:04 +0200)
Use the the tcb counter width to compute the maximum time that can be
represented using the slow clock source instead of the static 16 bit width.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

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