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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>
This commit is contained in:
Sascha Hauer 2015-03-12 12:01:15 +01:00
parent dcc4a70a3c
commit 08a50cd306
1 changed files with 13 additions and 0 deletions
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13
drivers/clk/clk-divider.c
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@ -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;
}