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From: Ben Widawsky <ben.widawsky@intel.com>
To: linux-cxl@vger.kernel.org, linux-pci@vger.kernel.org
Cc: Ben Widawsky <ben.widawsky@intel.com>,
	linuxppc-dev@lists.ozlabs.org,
	Frederic Barrat <fbarrat@linux.ibm.com>,
	Andrew Donnellan <ajd@linux.ibm.com>,
	Alison Schofield <alison.schofield@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Ira Weiny <ira.weiny@intel.com>,
	Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
	Vishal Verma <vishal.l.verma@intel.com>
Subject: [PATCH 7/7] ocxl: Use pci core's DVSEC functionality
Date: Tue, 21 Sep 2021 15:04:59 -0700	[thread overview]
Message-ID: <20210921220459.2437386-8-ben.widawsky@intel.com> (raw)
In-Reply-To: <20210921220459.2437386-1-ben.widawsky@intel.com>

Reduce maintenance burden of DVSEC query implementation by using the
centralized PCI core implementation.

Cc: linuxppc-dev@lists.ozlabs.org
Cc: Frederic Barrat <fbarrat@linux.ibm.com>
Cc: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
---
 drivers/misc/ocxl/config.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index a68738f38252..e401a51596b9 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -33,18 +33,7 @@
 
 static int find_dvsec(struct pci_dev *dev, int dvsec_id)
 {
-	int vsec = 0;
-	u16 vendor, id;
-
-	while ((vsec = pci_find_next_ext_capability(dev, vsec,
-						    OCXL_EXT_CAP_ID_DVSEC))) {
-		pci_read_config_word(dev, vsec + OCXL_DVSEC_VENDOR_OFFSET,
-				&vendor);
-		pci_read_config_word(dev, vsec + OCXL_DVSEC_ID_OFFSET, &id);
-		if (vendor == PCI_VENDOR_ID_IBM && id == dvsec_id)
-			return vsec;
-	}
-	return 0;
+	return pci_find_dvsec_capability(dev, PCI_VENDOR_ID_IBM, dvsec_id);
 }
 
 static int find_dvsec_afu_ctrl(struct pci_dev *dev, u8 afu_idx)
-- 
2.33.0


  parent reply	other threads:[~2021-09-21 22:05 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-21 22:04 [PATCH 0/7] cxl_pci refactor for reusability Ben Widawsky
2021-09-21 22:04 ` [PATCH 1/7] cxl: Convert "RBI" to enum Ben Widawsky
2021-09-21 22:04 ` [PATCH 2/7] cxl/pci: Remove dev_dbg for unknown register blocks Ben Widawsky
2021-09-21 22:04 ` [PATCH 3/7] cxl/pci: Refactor cxl_pci_setup_regs Ben Widawsky
2021-09-21 23:39   ` Dan Williams
2021-09-22  4:31     ` Ben Widawsky
2021-09-21 22:04 ` [PATCH 4/7] cxl/pci: Make more use of cxl_register_map Ben Widawsky
2021-09-21 22:04 ` [PATCH 5/7] PCI: Add pci_find_dvsec_capability to find designated VSEC Ben Widawsky
2021-09-22  9:33   ` Frederic Barrat
2021-09-21 22:04 ` [PATCH 6/7] cxl/pci: Use pci core's DVSEC functionality Ben Widawsky
2021-09-21 22:04 ` Ben Widawsky [this message]
2021-09-22  0:44   ` [PATCH 7/7] ocxl: " Dan Williams
2021-09-22  9:38     ` Frederic Barrat
2021-09-21 22:14 ` [PATCH 0/7] cxl_pci refactor for reusability Ben Widawsky
2021-09-21 22:28 ` Dan Williams
2021-09-21 23:03   ` Ben Widawsky

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