6.5-stable review patch. If anyone has any objections, please let me know.
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From: Fenghua Yu fenghua.yu@intel.com
[ Upstream commit 97b1185fe54c8ce94104e3c7fa4ee0bbedd85920 ]
The functions that check if WQ attributes are invisible are almost duplicate. Define a helper to simplify these functions and future WQ attribute visibility checks as well.
Signed-off-by: Fenghua Yu fenghua.yu@intel.com Reviewed-by: Dave Jiang dave.jiang@intel.com Link: https://lore.kernel.org/r/20230712174436.3435088-1-fenghua.yu@intel.com Signed-off-by: Vinod Koul vkoul@kernel.org Stable-dep-of: 0056a7f07b0a ("dmaengine: idxd: Allow ATS disable update only for configurable devices") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/idxd/sysfs.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c index b6a0a12412afd..36a30957ac9a3 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -1288,12 +1288,9 @@ static struct attribute *idxd_wq_attributes[] = { NULL, };
-static bool idxd_wq_attr_op_config_invisible(struct attribute *attr, - struct idxd_device *idxd) -{ - return attr == &dev_attr_wq_op_config.attr && - !idxd->hw.wq_cap.op_config; -} +/* A WQ attr is invisible if the feature is not supported in WQCAP. */ +#define idxd_wq_attr_invisible(name, cap_field, a, idxd) \ + ((a) == &dev_attr_wq_##name.attr && !(idxd)->hw.wq_cap.cap_field)
static bool idxd_wq_attr_max_batch_size_invisible(struct attribute *attr, struct idxd_device *idxd) @@ -1303,13 +1300,6 @@ static bool idxd_wq_attr_max_batch_size_invisible(struct attribute *attr, idxd->data->type == IDXD_TYPE_IAX; }
-static bool idxd_wq_attr_wq_prs_disable_invisible(struct attribute *attr, - struct idxd_device *idxd) -{ - return attr == &dev_attr_wq_prs_disable.attr && - !idxd->hw.wq_cap.wq_prs_support; -} - static umode_t idxd_wq_attr_visible(struct kobject *kobj, struct attribute *attr, int n) { @@ -1317,13 +1307,13 @@ static umode_t idxd_wq_attr_visible(struct kobject *kobj, struct idxd_wq *wq = confdev_to_wq(dev); struct idxd_device *idxd = wq->idxd;
- if (idxd_wq_attr_op_config_invisible(attr, idxd)) + if (idxd_wq_attr_invisible(op_config, op_config, attr, idxd)) return 0;
if (idxd_wq_attr_max_batch_size_invisible(attr, idxd)) return 0;
- if (idxd_wq_attr_wq_prs_disable_invisible(attr, idxd)) + if (idxd_wq_attr_invisible(prs_disable, wq_prs_support, attr, idxd)) return 0;
return attr->mode;