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authorFederico Vaga <federico.vaga@cern.ch>2017-07-18 08:33:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 16:24:22 +0200
commit9c0dda14951e9ed30b6f04e14bf64a3c69686c5b (patch)
tree2562d71e9f38eb5a6db7e0fff7519c926969f4c9 /drivers/fmc/fmc-core.c
parent15b1b0f0d87e34a87172d9b83bd260543a991c2e (diff)
drivers/fmc: carrier can program FPGA on registration
The initial FPGA may require programming before it is useful. 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>
Diffstat (limited to 'drivers/fmc/fmc-core.c')
-rw-r--r--drivers/fmc/fmc-core.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/fmc/fmc-core.c b/drivers/fmc/fmc-core.c
index eabeac04ddda..cec3b8db0d69 100644
--- a/drivers/fmc/fmc-core.c
+++ b/drivers/fmc/fmc-core.c
@@ -280,6 +280,21 @@ int fmc_device_register_n_gw(struct fmc_device **devs, int n,
else
dev_set_name(&fmc->dev, "%s-%04x", fmc->mezzanine_name,
device_id);
+
+ if (gw) {
+ /*
+ * The carrier already know the bitstream to load
+ * for this set of FMC mezzanines.
+ */
+ ret = fmc->op->reprogram_raw(fmc, NULL,
+ gw->bitstream, gw->len);
+ if (ret) {
+ dev_warn(fmc->hwdev,
+ "Invalid gateware for FMC mezzanine\n");
+ goto out;
+ }
+ }
+
ret = device_add(&fmc->dev);
if (ret < 0) {
dev_err(fmc->hwdev, "Slot %i: Failed in registering "
@@ -300,9 +315,6 @@ int fmc_device_register_n_gw(struct fmc_device **devs, int n,
out1:
device_del(&fmc->dev);
out:
- fmc_free_id_info(fmc);
- put_device(&fmc->dev);
-
kfree(devarray);
for (i--; i >= 0; i--) {
fmc_debug_exit(devs[i]);

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