Author: loos
Date: Tue Dec 23 19:31:56 2014
New Revision: 276151
URL: https://svnweb.freebsd.org/changeset/base/276151
Log:
Do not return the total number of available pins but the maximum pin number
we can cope.
Previously the returned value could prevent access to some of the pins.
Modified:
head/sys/arm/ti/ti_gpio.c
Modified: head/sys/arm/ti/ti_gpio.c
==============================================================================
--- head/sys/arm/ti/ti_gpio.c Tue Dec 23 18:48:45 2014 (r276150)
+++ head/sys/arm/ti/ti_gpio.c Tue Dec 23 19:31:56 2014 (r276151)
@@ -293,19 +293,8 @@ ti_gpio_intr_clr(struct ti_gpio_softc *s
static int
ti_gpio_pin_max(device_t dev, int *maxpin)
{
- struct ti_gpio_softc *sc = device_get_softc(dev);
- unsigned int i;
- unsigned int banks = 0;
-
- /* Calculate how many valid banks we have and then multiply that by 32
to
- * give use the total number of pins.
- */
- for (i = 0; i < ti_max_gpio_banks(); i++) {
- if (sc->sc_mem_res[i] != NULL)
- banks++;
- }
- *maxpin = (banks * PINS_PER_BANK) - 1;
+ *maxpin = ti_max_gpio_banks() * PINS_PER_BANK - 1;
return (0);
}
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