S3C64XX: Fix ARMCLK configuration

The value of armclk_mask needs to be inverted for use as a mask on
the register value when updating ARM_RATIO.

This is critical for cpufreq support, without it attempts to scale
the frequency of the core trash pretty much the entire clock tree.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Mark Brown 2009-07-15 13:03:35 +01:00 committed by Ben Dooks
parent 1d91e1a296
commit 9b71de49b0

View File

@ -175,7 +175,7 @@ static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate)
div = clk_get_rate(clk->parent) / rate;
val = __raw_readl(S3C_CLK_DIV0);
val &= armclk_mask;
val &= ~armclk_mask;
val |= (div - 1);
__raw_writel(val, S3C_CLK_DIV0);