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| author |   Federico Vaga <federico.vaga@cern.ch> | 2017-07-18 08:33:24 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-28 16:24:22 +0200 |
| commit | 9c0dda14951e9ed30b6f04e14bf64a3c69686c5b (patch) | |
| tree | 2562d71e9f38eb5a6db7e0fff7519c926969f4c9 /drivers/fmc/fmc-sdb.c | |
| parent | drivers/fmc: change registration prototype (diff) | |
| download | linux-dev-9c0dda14951e9ed30b6f04e14bf64a3c69686c5b.tar.xz linux-dev-9c0dda14951e9ed30b6f04e14bf64a3c69686c5b.zip | |
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-sdb.c')
| -rw-r--r-- | drivers/fmc/fmc-sdb.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/fmc/fmc-sdb.c b/drivers/fmc/fmc-sdb.c index 89e37a6cfc66..ffdc1762b580 100644 --- a/drivers/fmc/fmc-sdb.c +++ b/drivers/fmc/fmc-sdb.c @@ -127,6 +127,30 @@ int fmc_free_sdb_tree(struct fmc_device *fmc) EXPORT_SYMBOL(fmc_free_sdb_tree); /* This helper calls reprogram and inizialized sdb as well */ +int fmc_reprogram_raw(struct fmc_device *fmc, struct fmc_driver *d, + void *gw, unsigned long len, int sdb_entry) +{ + int ret; + + ret = fmc->op->reprogram_raw(fmc, d, gw, len); + if (ret < 0) + return ret; + if (sdb_entry < 0) + return ret; + + /* We are required to find SDB at a given offset */ + ret = fmc_scan_sdb_tree(fmc, sdb_entry); + if (ret < 0) { + dev_err(&fmc->dev, "Can't find SDB at address 0x%x\n", + sdb_entry); + return -ENODEV; + } + + return 0; +} +EXPORT_SYMBOL(fmc_reprogram_raw); + +/* This helper calls reprogram and inizialized sdb as well */ int fmc_reprogram(struct fmc_device *fmc, struct fmc_driver *d, char *gw, int sdb_entry) { |