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Subject[PATCH 4/5] drivers/fmc: change registration prototype
Date
Permit use of either fmc_device_register_n or fmc_device_register_n_gw
depending on the type of device in use.

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
---
drivers/fmc/fmc-core.c | 15 ++++++++++++++-
include/linux/fmc.h | 13 +++++++++++--
2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/drivers/fmc/fmc-core.c b/drivers/fmc/fmc-core.c
index ef6d8ac..eabeac0 100644
--- a/drivers/fmc/fmc-core.c
+++ b/drivers/fmc/fmc-core.c
@@ -199,7 +199,8 @@ void fmc_driver_unregister(struct fmc_driver *drv)
* When a device set is registered, all eeproms must be read
* and all FRUs must be parsed
*/
-int fmc_device_register_n(struct fmc_device **devs, int n)
+int fmc_device_register_n_gw(struct fmc_device **devs, int n,
+ struct fmc_gateware *gw)
{
struct fmc_device *fmc, **devarray;
uint32_t device_id;
@@ -313,8 +314,20 @@ int fmc_device_register_n(struct fmc_device **devs, int n)
return ret;

}
+EXPORT_SYMBOL(fmc_device_register_n_gw);
+
+int fmc_device_register_n(struct fmc_device **devs, int n)
+{
+ return fmc_device_register_n_gw(devs, n, NULL);
+}
EXPORT_SYMBOL(fmc_device_register_n);

+int fmc_device_register_gw(struct fmc_device *fmc, struct fmc_gateware *gw)
+{
+ return fmc_device_register_n_gw(&fmc, 1, gw);
+}
+EXPORT_SYMBOL(fmc_device_register_gw);
+
int fmc_device_register(struct fmc_device *fmc)
{
return fmc_device_register_n(&fmc, 1);
diff --git a/include/linux/fmc.h b/include/linux/fmc.h
index 5c8df0c..b6c73d5 100644
--- a/include/linux/fmc.h
+++ b/include/linux/fmc.h
@@ -220,14 +220,23 @@ static inline void fmc_set_drvdata(struct fmc_device *fmc, void *data)
dev_set_drvdata(&fmc->dev, data);
}

-/* The 4 access points */
+struct fmc_gateware {
+ void *bitstream;
+ unsigned long len;
+};
+
+/* The 5 access points */
extern int fmc_driver_register(struct fmc_driver *drv);
extern void fmc_driver_unregister(struct fmc_driver *drv);
extern int fmc_device_register(struct fmc_device *tdev);
+extern int fmc_device_register_gw(struct fmc_device *tdev,
+ struct fmc_gateware *gw);
extern void fmc_device_unregister(struct fmc_device *tdev);

-/* Two more for device sets, all driven by the same FPGA */
+/* Three more for device sets, all driven by the same FPGA */
extern int fmc_device_register_n(struct fmc_device **devs, int n);
+extern int fmc_device_register_n_gw(struct fmc_device **devs, int n,
+ struct fmc_gateware *gw);
extern void fmc_device_unregister_n(struct fmc_device **devs, int n);

/* Internal cross-calls between files; not exported to other modules */
--
1.8.3.1
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