linux-kernel - [PATCH 2/2] PCI: Remove pcim_iounmap

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Message-ID: <20250327110707.20025-4-phasta@kernel.org>
Date: Thu, 27 Mar 2025 12:07:08 +0100
From: Philipp Stanner <phasta@...nel.org>
To: Jonathan Corbet <corbet@....net>,
	Jens Axboe <axboe@...nel.dk>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Mark Brown <broonie@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Philipp Stanner <pstanner@...hat.com>,
	Damien Le Moal <dlemoal@...nel.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Yang Yingliang <yangyingliang@...wei.com>,
	Zijun Hu <quic_zijuhu@...cinc.com>,
	Hannes Reinecke <hare@...e.de>,
	Al Viro <viro@...iv.linux.org.uk>,
	Li Zetao <lizetao1@...wei.com>,
	Anuj Gupta <anuj20.g@...sung.com>
Cc: linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-block@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: [PATCH 2/2] PCI: Remove pcim_iounmap_regions()

From: Philipp Stanner <pstanner@...hat.com>

All users of the deprecated function pcim_iounmap_regions() have been
ported by now. Remove it.

Signed-off-by: Philipp Stanner <pstanner@...hat.com>
---
 .../driver-api/driver-model/devres.rst        |  1 -
 drivers/pci/devres.c                          | 24 -------------------
 include/linux/pci.h                           |  1 -
 3 files changed, 26 deletions(-)

diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index d75728eb05f8..601f1a74d34d 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -396,7 +396,6 @@ PCI
   pcim_iomap_regions()		: do request_region() and iomap() on multiple BARs
   pcim_iomap_table()		: array of mapped addresses indexed by BAR
   pcim_iounmap()		: do iounmap() on a single BAR
-  pcim_iounmap_regions()	: do iounmap() and release_region() on multiple BARs
   pcim_pin_device()		: keep PCI device enabled after release
   pcim_set_mwi()		: enable Memory-Write-Invalidate PCI transaction
 
diff --git a/drivers/pci/devres.c b/drivers/pci/devres.c
index 3431a7df3e0d..c60441555758 100644
--- a/drivers/pci/devres.c
+++ b/drivers/pci/devres.c
@@ -946,30 +946,6 @@ int pcim_request_all_regions(struct pci_dev *pdev, const char *name)
 }
 EXPORT_SYMBOL(pcim_request_all_regions);
 
-/**
- * pcim_iounmap_regions - Unmap and release PCI BARs (DEPRECATED)
- * @pdev: PCI device to map IO resources for
- * @mask: Mask of BARs to unmap and release
- *
- * Unmap and release regions specified by @mask.
- *
- * This function is DEPRECATED. Do not use it in new code.
- * Use pcim_iounmap_region() instead.
- */
-void pcim_iounmap_regions(struct pci_dev *pdev, int mask)
-{
-	int i;
-
-	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
-		if (!mask_contains_bar(mask, i))
-			continue;
-
-		pcim_iounmap_region(pdev, i);
-		pcim_remove_bar_from_legacy_table(pdev, i);
-	}
-}
-EXPORT_SYMBOL(pcim_iounmap_regions);
-
 /**
  * pcim_iomap_range - Create a ranged __iomap mapping within a PCI BAR
  * @pdev: PCI device to map IO resources for
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 47b31ad724fa..7661f10913ca 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2323,7 +2323,6 @@ void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
 void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
 int pcim_request_region(struct pci_dev *pdev, int bar, const char *name);
 int pcim_iomap_regions(struct pci_dev *pdev, int mask, const char *name);
-void pcim_iounmap_regions(struct pci_dev *pdev, int mask);
 void __iomem *pcim_iomap_range(struct pci_dev *pdev, int bar,
 				unsigned long offset, unsigned long len);
 
-- 
2.48.1