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ssb: Make the GPIO API reentrancy safe.

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SVN-Revision: 10496
This commit is contained in:
Michael Büsch
2008-02-19 15:22:17 +00:00
parent 66dec6d8a1
commit faa14263f5
4 changed files with 265 additions and 72 deletions
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29
package/broadcom-diag/src/gpio.h
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@@ -3,54 +3,39 @@
#include <linux/interrupt.h>
#ifndef BCMDRIVER
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/ssb/ssb_driver_extif.h>
#include <linux/ssb/ssb_embedded.h>
extern struct ssb_bus ssb;
#define gpio_op(op, param...) \
do { \
if (ssb.chipco.dev) \
return ssb_chipco_gpio_##op(&ssb.chipco, param); \
else if (ssb.extif.dev) \
return ssb_extif_gpio_##op(&ssb.extif, param); \
else \
return 0; \
} while (0);
static inline u32 gpio_in(void)
{
gpio_op(in, ~0);
return ssb_gpio_in(&ssb, ~0);
}
static inline u32 gpio_out(u32 mask, u32 value)
{
gpio_op(out, mask, value);
return ssb_gpio_out(&ssb, mask, value);
}
static inline u32 gpio_outen(u32 mask, u32 value)
{
gpio_op(outen, mask, value);
return ssb_gpio_outen(&ssb, mask, value);
}
static inline u32 gpio_control(u32 mask, u32 value)
{
if (ssb.chipco.dev)
return ssb_chipco_gpio_control(&ssb.chipco, mask, value);
else
return 0;
return ssb_gpio_control(&ssb, mask, value);
}
static inline u32 gpio_intmask(u32 mask, u32 value)
{
gpio_op(intmask, mask, value);
return ssb_gpio_intmask(&ssb, mask, value);
}
static inline u32 gpio_intpolarity(u32 mask, u32 value)
{
gpio_op(polarity, mask, value);
return ssb_gpio_polarity(&ssb, mask, value);
}
static inline u32 __ssb_write32_masked(struct ssb_device *dev, u16 offset,