summaryrefslogtreecommitdiffstats
path: root/drivers/clk/clk-divider.c
diff options
context:
space:
mode:
authorSascha Hauer <s.hauer@pengutronix.de>2015-03-12 12:01:15 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2015-03-12 12:01:17 +0100
commit08a50cd3064ad367bd23c217d26856cc1ac47d57 (patch)
tree7f688aedefab6c796a48c77f41667eacd67b65ac /drivers/clk/clk-divider.c
parentdcc4a70a3c279669d21a90764cda29854244c237 (diff)
downloadbarebox-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.c13
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;
}