Remove SA_SAMPLE_RANDOM from i2c drivers
There's no obvious reason why all interrupts from an i2c bus interface
should be considered a good source of the sort of entropy needed by
/dev/random.
Signed-off-by: Matt Mackall <[email protected]>
Index: 2.6/drivers/i2c/chips/tps65010.c
===================================================================
--- 2.6.orig/drivers/i2c/chips/tps65010.c 2006-05-02 17:28:43.000000000 -0500
+++ 2.6/drivers/i2c/chips/tps65010.c 2006-05-03 13:15:45.000000000 -0500
@@ -521,8 +521,9 @@ tps65010_probe(struct i2c_adapter *bus,
goto fail1;
}
+ irqflags = 0;
#ifdef CONFIG_ARM
- irqflags = SA_SAMPLE_RANDOM | SA_TRIGGER_LOW;
+ irqflags |= SA_TRIGGER_LOW;
if (machine_is_omap_h2()) {
tps->model = TPS65010;
omap_cfg_reg(W4_GPIO58);
@@ -544,8 +545,6 @@ tps65010_probe(struct i2c_adapter *bus,
// FIXME set up this board's IRQ ...
}
-#else
- irqflags = SA_SAMPLE_RANDOM;
#endif
if (tps->irq > 0) {
-
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