linux-kernel - [PATCH v1 1/1] PCI: Update the devres documentation regarding to pcim

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Date:   Mon, 14 Aug 2023 19:14:01 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jonathan Corbet <corbet@....net>
Subject: [PATCH v1 1/1] PCI: Update the devres documentation regarding to pcim_*()

There were many changes to PCI core in scope of managed resources APIs.
Update documentation to list the current state of affairs.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 Documentation/driver-api/driver-model/devres.rst | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index 8be086b3f829..c5f99d834ec5 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -322,10 +322,8 @@ IOMAP
   devm_platform_ioremap_resource_byname()
   devm_platform_get_and_ioremap_resource()
   devm_iounmap()
-  pcim_iomap()
-  pcim_iomap_regions()	: do request_region() and iomap() on multiple BARs
-  pcim_iomap_table()	: array of mapped addresses indexed by BAR
-  pcim_iounmap()
+
+  Note: For the PCI devices the specific pcim_*() functions may be used, see below.
 
 IRQ
   devm_free_irq()
@@ -392,8 +390,16 @@ PCI
   devm_pci_alloc_host_bridge()  : managed PCI host bridge allocation
   devm_pci_remap_cfgspace()	: ioremap PCI configuration space
   devm_pci_remap_cfg_resource()	: ioremap PCI configuration space resource
+
   pcim_enable_device()		: after success, all PCI ops become managed
+  pcim_iomap()			: do iomap() on a single BAR
+  pcim_iomap_regions()		: do request_region() and iomap() on multiple BARs
+  pcim_iomap_regions_request_all() : do request_region() on all 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
 
 PHY
   devm_usb_get_phy()
-- 
2.40.0.1.gaa8946217a0b