On OLPC XO-1.75 (MMP2), a WARN_ON() was occurring during boot
since the clock being enabled by i2c-pxa had not been prepared.
Use clk_prepare_enable() to ensure that the prepare operation
has taken place.
Signed-off-by: Daniel Drake <dsd@xxxxxxxxxx>
---
drivers/i2c/busses/i2c-pxa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index ea6d45d..ef307ea 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1160,7 +1160,7 @@ static int i2c_pxa_probe(struct platform_device *dev)
i2c->adap.class = plat->class;
}
- clk_enable(i2c->clk);
+ clk_prepare_enable(i2c->clk);
if (i2c->use_pio) {
i2c->adap.algo = &i2c_pxa_pio_algorithm;
--
1.8.1.4
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