diff options
| author | Logan Gunthorpe | 2020-01-14 20:56:46 -0700 |
|---|---|---|
| committer | Bjorn Helgaas | 2020-01-15 11:00:38 -0600 |
| commit | a3321ca394082f403b447646d81c18ff6b39f4a6 (patch) | |
| tree | fe3299a3342adf9d050b158f7aed3fa1e7202cec /drivers/pci | |
| parent | 993d208daaebebc3f3ec211e862a413a90e8d69b (diff) | |
PCI/switchtec: Add Gen4 system info register support
Add the Gen4-specific system info registers and ensure their usage is
guarded by a check on the device's generation.
Link: https://lore.kernel.org/r/20200115035648.2578-6-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/switch/switchtec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index c4dae075a692..b09c3f53a552 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -321,6 +321,9 @@ static ssize_t field ## _show(struct device *dev, \ if (stdev->gen == SWITCHTEC_GEN3) \ return io_string_show(buf, &si->gen3.field, \ sizeof(si->gen3.field)); \ + else if (stdev->gen == SWITCHTEC_GEN4) \ + return io_string_show(buf, &si->gen4.field, \ + sizeof(si->gen4.field)); \ else \ return -ENOTSUPP; \ } \ @@ -1429,6 +1432,8 @@ static int switchtec_init_pci(struct switchtec_dev *stdev, if (stdev->gen == SWITCHTEC_GEN3) part_id = &stdev->mmio_sys_info->gen3.partition_id; + else if (stdev->gen == SWITCHTEC_GEN4) + part_id = &stdev->mmio_sys_info->gen4.partition_id; else return -ENOTSUPP; |