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* [PATCH net-next v2] wanxl: Remove pci_map_single_debug()
@ 2026-07-27 14:02 Bence Csokas
  2026-07-30 23:20 ` patchwork-bot+netdevbpf
  0 siblings, 1 reply; 2+ messages in thread
From: Bence Csokas @ 2026-07-27 14:02 UTC (permalink / raw)
  To: Krzysztof Halasa, Andrew Lunn, David S. Miller, Eric Dumazet,
	Jakub Kicinski, Paolo Abeni, netdev, linux-kernel
  Cc: Bence Csokas, Simon Horman

Since commit 24dd377a76b0 ("wan: wanxl: switch from 'pci_' to 'dma_' API")
this has been dead code anyways. The pci_map_single() function it attempts
to redefine has been removed in commit 7968778914e5 ("PCI: Remove the
deprecated "pci-dma-compat.h" API").

Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/all/20260709151401.GO1364329@horms.kernel.org
Signed-off-by: Bence Csokas <bence.csokas@arm.com>
---
Changes in v2:
- Remove now-unused DEBUG_PCI macro
- Collect Simon's tag
- Link to v1: https://patch.msgid.link/20260703-wanxl-cleanup-v1-1-d5deb23fa941@arm.com
---
 drivers/net/wan/wanxl.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c
index 065c00c12cc1..c9873f07e06c 100644
--- a/drivers/net/wan/wanxl.c
+++ b/drivers/net/wan/wanxl.c
@@ -37,7 +37,6 @@ static const char *version = "wanXL serial card driver version: 0.48";
 #define PLX_CTL_RESET   0x40000000 /* adapter reset */
 
 #undef DEBUG_PKT
-#undef DEBUG_PCI
 
 /* MAILBOX #1 - PUTS COMMANDS */
 #define MBX1_CMD_ABORTJ 0x85000000 /* Abort and Jump */
@@ -88,22 +87,6 @@ static inline port_status_t *get_status(struct port *port)
 	return &port->card->status->port_status[port->node];
 }
 
-#ifdef DEBUG_PCI
-static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr,
-					      size_t size, int direction)
-{
-	dma_addr_t addr = dma_map_single(&pdev->dev, ptr, size, direction);
-
-	if (addr + size > 0x100000000LL)
-		pr_crit("%s: pci_map_single() returned memory at 0x%llx!\n",
-			pci_name(pdev), (unsigned long long)addr);
-	return addr;
-}
-
-#undef pci_map_single
-#define pci_map_single pci_map_single_debug
-#endif
-
 /* Cable and/or personality module change interrupt service */
 static inline void wanxl_cable_intr(struct port *port)
 {

---
base-commit: f5098b6bae761e346ebcd9da7f95622c04733cff
change-id: 20260427-wanxl-cleanup-7e59607dc4f9

Best regards,
--  
Bence Csokas <bence.csokas@arm.com>


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