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fpga: xilinx: Check if fpga operations are defined

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Ensure that operations are correctly setup.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Michal Simek 2014-07-16 10:31:21 +02:00
parent 345f9e1956
commit 6cd68c811e
1 changed files with 15 additions and 2 deletions
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17
drivers/fpga/xilinx.c
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@ -139,6 +139,11 @@ int xilinx_load(xilinx_desc *desc, const void *buf, size_t bsize,
return FPGA_FAIL; return FPGA_FAIL;
} }
if (!desc->operations || !desc->operations->load) {
printf("%s: Missing load operation\n", __func__);
return FPGA_FAIL;
}
return desc->operations->load(desc, buf, bsize, bstype); return desc->operations->load(desc, buf, bsize, bstype);
} }
@ -151,8 +156,10 @@ int xilinx_loadfs(xilinx_desc *desc, const void *buf, size_t bsize,
return FPGA_FAIL; return FPGA_FAIL;
} }
if (!desc->operations->loadfs) if (!desc->operations || !desc->operations->loadfs) {
printf("%s: Missing loadfs operation\n", __func__);
return FPGA_FAIL; return FPGA_FAIL;
}
return desc->operations->loadfs(desc, buf, bsize, fpga_fsinfo); return desc->operations->loadfs(desc, buf, bsize, fpga_fsinfo);
} }
@ -165,6 +172,11 @@ int xilinx_dump(xilinx_desc *desc, const void *buf, size_t bsize)
return FPGA_FAIL; return FPGA_FAIL;
} }
if (!desc->operations || !desc->operations->dump) {
printf("%s: Missing dump operation\n", __func__);
return FPGA_FAIL;
}
return desc->operations->dump(desc, buf, bsize); return desc->operations->dump(desc, buf, bsize);
} }
@ -228,7 +240,8 @@ int xilinx_info(xilinx_desc *desc)
if (desc->iface_fns) { if (desc->iface_fns) {
printf ("Device Function Table @ 0x%p\n", desc->iface_fns); printf ("Device Function Table @ 0x%p\n", desc->iface_fns);
desc->operations->info(desc); if (desc->operations && desc->operations->info)
desc->operations->info(desc);
} else } else
printf ("No Device Function Table.\n"); printf ("No Device Function Table.\n");