From: Sam Ravnborg <sam@ravnborg.org>
Date: Sat, 26 May 2012 13:56:03 +0000 (+0200)
Subject: sparc32,leon: always support leon in ioport
X-Git-Tag: firefly_0821_release~3680^2~2712^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=87e677c4122e732dd1f7142ba7b2d4823576a199;p=firefly-linux-kernel-4.4.55.git

sparc32,leon: always support leon in ioport

Unconditially define pci32_dma_ops as this is used
for leon.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
---

diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 48a7c65731d2..8493fd3c7ba5 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -12,13 +12,18 @@ extern int dma_supported(struct device *dev, u64 mask);
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
-extern struct dma_map_ops *dma_ops, pci32_dma_ops;
+extern struct dma_map_ops *dma_ops;
+extern struct dma_map_ops *leon_dma_ops;
+extern struct dma_map_ops pci32_dma_ops;
+
 extern struct bus_type pci_bus_type;
 
 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 {
 #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
-	if (dev->bus == &pci_bus_type)
+	if (sparc_cpu_model == sparc_leon)
+		return leon_dma_ops;
+	else if (dev->bus == &pci_bus_type)
 		return &pci32_dma_ops;
 #endif
 	return dma_ops;
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index a2846f5e32d8..8bc4db01af32 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -427,9 +427,6 @@ arch_initcall(sparc_register_ioport);
 #endif /* CONFIG_SBUS */
 
 
-/* LEON reuses PCI DMA ops */
-#if defined(CONFIG_PCI) || defined(CONFIG_SPARC_LEON)
-
 /* Allocate and map kernel buffer using consistent mode DMA for a device.
  * hwdev should be valid struct pci_dev pointer for PCI devices.
  */
@@ -657,13 +654,9 @@ struct dma_map_ops pci32_dma_ops = {
 };
 EXPORT_SYMBOL(pci32_dma_ops);
 
-#endif /* CONFIG_PCI || CONFIG_SPARC_LEON */
-
-#ifdef CONFIG_SPARC_LEON
-struct dma_map_ops *dma_ops = &pci32_dma_ops;
-#elif defined(CONFIG_SBUS)
+/* leon re-uses pci32_dma_ops */
+struct dma_map_ops *leon_dma_ops = &pci32_dma_ops;
 struct dma_map_ops *dma_ops = &sbus_dma_ops;
-#endif
 
 EXPORT_SYMBOL(dma_ops);