From 15bbb300fcef4e62e4f6063cc29e698796027b98 Mon Sep 17 00:00:00 2001 From: Wu Hao Date: Sun, 4 Aug 2019 18:20:15 +0800 Subject: 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 Signed-off-by: Wu Hao Acked-by: Moritz Fischer Acked-by: Alan Tull Signed-off-by: Moritz Fischer Link: https://lore.kernel.org/r/1564914022-3710-6-git-send-email-hao.wu@intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/fpga/dfl.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'drivers/fpga/dfl.c') 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) -- cgit