linux/arch/arm/mach-ixp4xx/include/mach/npe.h
Roel Kluin efec194f57 IXP4xx: Ensure index is positive in irq_to_gpio() and npe_request().
The indexes were signed, so negatives were possible.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
2009-12-05 16:58:38 +01:00

40 lines
982 B
C

#ifndef __IXP4XX_NPE_H
#define __IXP4XX_NPE_H
#include <linux/kernel.h>
extern const char *npe_names[];
struct npe_regs {
u32 exec_addr, exec_data, exec_status_cmd, exec_count;
u32 action_points[4];
u32 watchpoint_fifo, watch_count;
u32 profile_count;
u32 messaging_status, messaging_control;
u32 mailbox_status, /*messaging_*/ in_out_fifo;
};
struct npe {
struct resource *mem_res;
struct npe_regs __iomem *regs;
u32 regs_phys;
int id;
int valid;
};
static inline const char *npe_name(struct npe *npe)
{
return npe_names[npe->id];
}
int npe_running(struct npe *npe);
int npe_send_message(struct npe *npe, const void *msg, const char *what);
int npe_recv_message(struct npe *npe, void *msg, const char *what);
int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
struct npe *npe_request(unsigned id);
void npe_release(struct npe *npe);
#endif /* __IXP4XX_NPE_H */