diff options
author | Mark Brown <broonie@linaro.org> | 2014-04-14 18:16:43 +0100 |
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committer | Mark Brown <broonie@linaro.org> | 2014-04-14 18:16:43 +0100 |
commit | 1226ec098c08e408fcfa9c778480cfef30852183 (patch) | |
tree | 2d28f1cce689b76640a62de4cfe75ad0b099076f /drivers/staging/comedi/drivers/ni_65xx.c | |
parent | 8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff) | |
parent | 52b07c2707864bd8fa67093912dc6a4d2d602493 (diff) |
Merge tag 'hugepages-v8-for-stable-20140305' of http://git.linaro.org/people/steve.capper/linux into lsk-v3.10-hugepages
Hugepages for arm64 with fixes, applied to 3.10.32 stable.
Hugepages were already against 3.10-rc4 when they were merged into
3.11, so did not need to be rebased.
I've included all the pertinent fixes I am aware of for hugepages too,
I did need to rebase "Introduce PTE_WRITE" as there were some S2
definitions near the PTE_RDONLY bits.
--
Steve
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_65xx.c')
-rw-r--r-- | drivers/staging/comedi/drivers/ni_65xx.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c index 3f71f0f54d3..05eb6fefb74 100644 --- a/drivers/staging/comedi/drivers/ni_65xx.c +++ b/drivers/staging/comedi/drivers/ni_65xx.c @@ -383,28 +383,23 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev, { const struct ni_65xx_board *board = comedi_board(dev); struct ni_65xx_private *devpriv = dev->private; - unsigned base_bitfield_channel; - const unsigned max_ports_per_bitfield = 5; + int base_bitfield_channel; unsigned read_bits = 0; - unsigned j; + int last_port_offset = ni_65xx_port_by_channel(s->n_chan - 1); + int port_offset; base_bitfield_channel = CR_CHAN(insn->chanspec); - for (j = 0; j < max_ports_per_bitfield; ++j) { - const unsigned port_offset = - ni_65xx_port_by_channel(base_bitfield_channel) + j; - const unsigned port = - sprivate(s)->base_port + port_offset; - unsigned base_port_channel; + for (port_offset = ni_65xx_port_by_channel(base_bitfield_channel); + port_offset <= last_port_offset; port_offset++) { + unsigned port = sprivate(s)->base_port + port_offset; + int base_port_channel = port_offset * ni_65xx_channels_per_port; unsigned port_mask, port_data, port_read_bits; - int bitshift; - if (port >= ni_65xx_total_num_ports(board)) + int bitshift = base_port_channel - base_bitfield_channel; + + if (bitshift >= 32) break; - base_port_channel = port_offset * ni_65xx_channels_per_port; port_mask = data[0]; port_data = data[1]; - bitshift = base_port_channel - base_bitfield_channel; - if (bitshift >= 32 || bitshift <= -32) - break; if (bitshift > 0) { port_mask >>= bitshift; port_data >>= bitshift; |