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drivers/fmc: hide fmc operations behind helpers

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This gave us more freedom to change/add/remove operations without
recompiling all device driver.

Typically, Carrier board implement the fmc operations, so they will not
use these helpers.

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
Tested-by: Pat Riehecky <riehecky@fnal.gov>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Federico Vaga 2017-07-18 08:32:53 +02:00 • committed by Greg Kroah-Hartman
parent 8e12381bd7
commit 9f757f4152
6 changed files with 87 additions and 19 deletions
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18
include/linux/fmc.h
View file

@ -234,4 +234,22 @@ extern void fmc_free_id_info(struct fmc_device *fmc);
extern void fmc_dump_eeprom(const struct fmc_device *fmc);
extern void fmc_dump_sdb(const struct fmc_device *fmc);
/* helpers for FMC operations */
extern int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h,
char *name, int flags);
extern void fmc_irq_free(struct fmc_device *fmc);
extern void fmc_irq_ack(struct fmc_device *fmc);
extern int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv);
extern int fmc_gpio_config(struct fmc_device *fmc, struct fmc_gpio *gpio,
int ngpio);
extern int fmc_read_ee(struct fmc_device *fmc, int pos, void *d, int l);
extern int fmc_write_ee(struct fmc_device *fmc, int pos, const void *d, int l);
/* helpers for FMC operations */
extern int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h,
char *name, int flags);
extern void fmc_irq_free(struct fmc_device *fmc);
extern void fmc_irq_ack(struct fmc_device *fmc);
extern int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv);
#endif /* __LINUX_FMC_H__ */