[ARM] omap: fix virtual vs physical address space confusions

mcbsp is confused as to what takes a physical or virtual address.
Fix the two instances where it gets it wrong.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 5 insertions, 2 deletions

diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index 6eb44a92871d..8fdb95e26fcd 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -315,6 +315,7 @@ struct omap_mcbsp_ops {
 };
 
 struct omap_mcbsp_platform_data {
+        unsigned long phys_base;
         u32 virt_base;
         u8 dma_rx_sync, dma_tx_sync;
         u16 rx_irq, tx_irq;
@@ -324,6 +325,7 @@ struct omap_mcbsp_platform_data {
 
 struct omap_mcbsp {
         struct device *dev;
+        unsigned long phys_base;
         u32 io_base;
         u8 id;
         u8 free;
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index d0844050f2d2..014d26574bb6 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -651,7 +651,7 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer,
         omap_set_dma_dest_params(mcbsp[id].dma_tx_lch,
                                  src_port,
                                  OMAP_DMA_AMODE_CONSTANT,
-                                 mcbsp[id].io_base + OMAP_MCBSP_REG_DXR1,
+                                 mcbsp[id].phys_base + OMAP_MCBSP_REG_DXR1,
                                  0, 0);
 
         omap_set_dma_src_params(mcbsp[id].dma_tx_lch,
@@ -712,7 +712,7 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer,
         omap_set_dma_src_params(mcbsp[id].dma_rx_lch,
                                 src_port,
                                 OMAP_DMA_AMODE_CONSTANT,
-                                mcbsp[id].io_base + OMAP_MCBSP_REG_DRR1,
+                                mcbsp[id].phys_base + OMAP_MCBSP_REG_DRR1,
                                 0, 0);
 
         omap_set_dma_dest_params(mcbsp[id].dma_rx_lch,
@@ -830,6 +830,7 @@ static int __init omap_mcbsp_probe(struct platform_device *pdev)
         mcbsp[id].dma_tx_lch = -1;
         mcbsp[id].dma_rx_lch = -1;
 
+        mcbsp[id].phys_base = pdata->phys_base;
         mcbsp[id].io_base = pdata->virt_base;
         /* Default I/O is IRQ based */
         mcbsp[id].io_type = OMAP_MCBSP_IRQ_IO;