The only function that checks ppc_swiotlb_enable is swiotlb_subsys_init.
The code in fsl_pci.c is called well after that, so don't bother
changing it.
(ppc_swiotlb is usually set in swiotlb_detect_4g, which is called by
a number of arch initcalls.)
Signed-off-by: Daniel Axtens <d...@axtens.net>
---
arch/powerpc/sysdev/fsl_pci.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 4b74c27..7071feb 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -376,9 +376,7 @@ static void setup_pci_atmu(struct pci_controller *hose)
}
if (hose->dma_window_size < mem) {
-#ifdef CONFIG_SWIOTLB
- ppc_swiotlb_enable = 1;
-#else
+#ifndef CONFIG_SWIOTLB
pr_err("%s: ERROR: Memory size exceeds PCI ATMU ability to "
"map - enable CONFIG_SWIOTLB to avoid dma errors.\n",
name);
--
2.1.4
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