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author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-12 12:01:15 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-12 12:01:17 +0100 |
commit | 08a50cd3064ad367bd23c217d26856cc1ac47d57 (patch) | |
tree | 7f688aedefab6c796a48c77f41667eacd67b65ac /drivers/clk/clk-divider.c | |
parent | dcc4a70a3c279669d21a90764cda29854244c237 (diff) | |
download | barebox-08a50cd3064ad367bd23c217d26856cc1ac47d57.tar.gz barebox-08a50cd3064ad367bd23c217d26856cc1ac47d57.tar.xz |
clk: clk-divider: fix _get_maxdiv for table based divider
The divider lacks the code for calculating the maximum divider for table
based dividers. Add it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/clk/clk-divider.c')
-rw-r--r-- | drivers/clk/clk-divider.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 646e5b0e7d..791e10ea99 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -23,12 +23,25 @@ #define div_mask(d) ((1 << ((d)->width)) - 1) +static unsigned int _get_table_maxdiv(const struct clk_div_table *table) +{ + unsigned int maxdiv = 0; + const struct clk_div_table *clkt; + + for (clkt = table; clkt->div; clkt++) + if (clkt->div > maxdiv) + maxdiv = clkt->div; + return maxdiv; +} + static unsigned int _get_maxdiv(struct clk_divider *divider) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return div_mask(divider); if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) return 1 << div_mask(divider); + if (divider->table) + return _get_table_maxdiv(divider->table); return div_mask(divider) + 1; } |