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S
Simple VME FMC Carrier SVEC
Commit e3345018 authored by Federico Vaga's avatar Federico Vaga
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kernel: better error propagation 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@vaga.pv.it>
parent dc753d6c
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Showing with 8 additions and 6 deletions
kernel/svec-core.c
View file @ e3345018
......@@ -314,12 +314,12 @@ static int svec_fpga_write_stop(struct svec_dev *svec)
if (!(rval & XLDR_CSR_DONE)) {
dev_err(&svec->dev, "error: FPGA program timeout.\n");
return -EIO;
svec->prog_err = -EIO;
}
if (rval & XLDR_CSR_ERROR) {
dev_err(&svec->dev, "Bitstream loaded, status ERROR\n");
return -EINVAL;
svec->prog_err = -EINVAL;
}
out:
/* give the VME bus control to App FPGA */
......@@ -402,7 +402,7 @@ static int svec_open(struct inode *inode, struct file *file)
file->private_data = svec;
svec->prog_err = 0;
svec->prog_err = -EINVAL;
/* Reset the bitstream programming words */
svec->bitstream_last_word = -1;
svec->bitstream_last_word_size = -1;
......@@ -458,11 +458,13 @@ static int svec_close(struct inode *inode, struct file *file)
spin_unlock(&svec->lock);
module_put(file->f_op->owner);
mutex_unlock(&svec->mtx);
if (!svec->prog_err)
dev_info(&svec->dev,
"a new application FPGA has been programmed\n");
mutex_unlock(&svec->mtx);
dev_info(&svec->dev,
"a new application FPGA has been programmed\n");
return err;
}
......
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