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authorWu Hao <hao.wu@intel.com>2019-08-04 12:20:15 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-05 18:01:24 +0200
commit15bbb300fcef4e62e4f6063cc29e698796027b98 (patch)
treefa0e0c6ef9da511c4b53d9a447116717956341fa /drivers/fpga/dfl.c
parentfpga: dfl: afu: add AFU state related sysfs interfaces (diff)
downloadlinux-15bbb300fcef4e62e4f6063cc29e698796027b98.tar.xz
linux-15bbb300fcef4e62e4f6063cc29e698796027b98.zip
fpga: dfl: add id_table for dfl private feature driver
This patch adds id_table for each dfl private feature driver, it allows to reuse same private feature driver to match and support multiple dfl private features. Signed-off-by: Xu Yilun <yilun.xu@intel.com> Signed-off-by: Wu Hao <hao.wu@intel.com> Acked-by: Moritz Fischer <mdf@kernel.org> Acked-by: Alan Tull <atull@kernel.org> Signed-off-by: Moritz Fischer <mdf@kernel.org> Link: https://lore.kernel.org/r/1564914022-3710-6-git-send-email-hao.wu@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fpga/dfl.c')
-rw-r--r--drivers/fpga/dfl.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index b9137044b667..87eaef6d2723 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -281,6 +281,21 @@ static int dfl_feature_instance_init(struct platform_device *pdev,
return ret;
}
+static bool dfl_feature_drv_match(struct dfl_feature *feature,
+ struct dfl_feature_driver *driver)
+{
+ const struct dfl_feature_id *ids = driver->id_table;
+
+ if (ids) {
+ while (ids->id) {
+ if (ids->id == feature->id)
+ return true;
+ ids++;
+ }
+ }
+ return false;
+}
+
/**
* dfl_fpga_dev_feature_init - init for sub features of dfl feature device
* @pdev: feature device.
@@ -301,8 +316,7 @@ int dfl_fpga_dev_feature_init(struct platform_device *pdev,
while (drv->ops) {
dfl_fpga_dev_for_each_feature(pdata, feature) {
- /* match feature and drv using id */
- if (feature->id == drv->id) {
+ if (dfl_feature_drv_match(feature, drv)) {
ret = dfl_feature_instance_init(pdev, pdata,
feature, drv);
if (ret)