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fpga: dfl: check feature type before parse irq info

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Previously the feature IDs defined are unique, no matter
which feature type. But currently we want to extend its
usage to have a per-type feature ID space, so this patch
adds feature type checking as well just before look into
feature ID for different features which have irq info.

Signed-off-by: Tianfei zhang <tianfei.zhang@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Acked-by: Wu Hao <hao.wu@intel.com>
Acked-by: Moritz Fischer <mdf@kernel.org>
Link: https://lore.kernel.org/r/20220419032942.427429-2-tianfei.zhang@intel.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
This commit is contained in:
Tianfei zhang 2022-04-18 23:29:41 -04:00 committed by Xu Yilun
parent 838a84382a
commit 88b3f3ff38
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GPG Key ID: FCB70381A4A08CDA
1 changed files with 22 additions and 16 deletions
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38
drivers/fpga/dfl.c
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@ -940,9 +940,12 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo,
{
void __iomem *base = binfo->ioaddr + ofst;
unsigned int i, ibase, inr = 0;
enum dfl_id_type type;
int virq;
u64 v;
type = feature_dev_id_type(binfo->feature_dev);
/*
* Ideally DFL framework should only read info from DFL header, but
* current version DFL only provides mmio resources information for
@ -957,22 +960,25 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo,
* code will be added. But in order to be compatible to old version
* DFL, the driver may still fall back to these quirks.
*/
switch (fid) {
case PORT_FEATURE_ID_UINT:
v = readq(base + PORT_UINT_CAP);
ibase = FIELD_GET(PORT_UINT_CAP_FST_VECT, v);
inr = FIELD_GET(PORT_UINT_CAP_INT_NUM, v);
break;
case PORT_FEATURE_ID_ERROR:
v = readq(base + PORT_ERROR_CAP);
ibase = FIELD_GET(PORT_ERROR_CAP_INT_VECT, v);
inr = FIELD_GET(PORT_ERROR_CAP_SUPP_INT, v);
break;
case FME_FEATURE_ID_GLOBAL_ERR:
v = readq(base + FME_ERROR_CAP);
ibase = FIELD_GET(FME_ERROR_CAP_INT_VECT, v);
inr = FIELD_GET(FME_ERROR_CAP_SUPP_INT, v);
break;
if (type == PORT_ID) {
switch (fid) {
case PORT_FEATURE_ID_UINT:
v = readq(base + PORT_UINT_CAP);
ibase = FIELD_GET(PORT_UINT_CAP_FST_VECT, v);
inr = FIELD_GET(PORT_UINT_CAP_INT_NUM, v);
break;
case PORT_FEATURE_ID_ERROR:
v = readq(base + PORT_ERROR_CAP);
ibase = FIELD_GET(PORT_ERROR_CAP_INT_VECT, v);
inr = FIELD_GET(PORT_ERROR_CAP_SUPP_INT, v);
break;
}
} else if (type == FME_ID) {
if (fid == FME_FEATURE_ID_GLOBAL_ERR) {
v = readq(base + FME_ERROR_CAP);
ibase = FIELD_GET(FME_ERROR_CAP_INT_VECT, v);
inr = FIELD_GET(FME_ERROR_CAP_SUPP_INT, v);
}
}
if (!inr) {