On Tue, Feb 13, 2018 at 3:24 AM, Wu Hao <[email protected]> wrote: Hi Hao,
> This patch adds compat_id support when driver creates the platform > device for dfl-fme-region. It allows dfl-fme-region platform driver > to create fpga-region with correct compat_id. > > Signed-off-by: Wu Hao <[email protected]> > --- > drivers/fpga/dfl-fme-pr.c | 20 ++++++++++++++++++++ > drivers/fpga/dfl-fme-pr.h | 3 +++ > 2 files changed, 23 insertions(+) > > diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c > index 526e90b..c17170b 100644 > --- a/drivers/fpga/dfl-fme-pr.c > +++ b/drivers/fpga/dfl-fme-pr.c > @@ -314,6 +314,25 @@ static void fpga_fme_destroy_bridges(struct > feature_platform_data *pdata) > } > > /** > + * fpga_fme_get_region_compat_id - read region compat_id from hardware > + * > + * @dev: fme device. > + */ > +static struct fpga_region_compat_id > +fpga_fme_get_region_compat_id(struct device *dev) > +{ > + struct fpga_region_compat_id compat_id; > + void __iomem *fme_pr; > + > + fme_pr = get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_PR_MGMT); > + > + compat_id.id_l = readq(fme_pr + FME_PR_INTFC_ID_L); > + compat_id.id_h = readq(fme_pr + FME_PR_INTFC_ID_H); I tried building for 32 bit ARM and ran into readq and writeq not being defined. v2 had proper '#indef readq/writeq', so looks like we need that after all. Alan
