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OMAP2+: McBSP: hwmod adaptation for McBSP
authorKishon Vijay Abraham I <kishon@ti.com>
Thu, 24 Feb 2011 09:46:52 +0000 (15:16 +0530)
committerTony Lindgren <tony@atomide.com>
Thu, 24 Feb 2011 21:02:53 +0000 (13:02 -0800)
Modify OMAP2+ McBSP to use omap hwmod framework APIs

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Charulatha V <charu@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap2/mcbsp.c patch | blob | blame | history
arch/arm/plat-omap/include/plat/mcbsp.h patch | blob | blame | history

diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 765ebe7da723073161d2ddf21b61b314728eb265..275d6cfa0b2479a64fc75da1739d26de09adf6c6 100644 (file)
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -22,10 +22,10 @@
 #include <plat/dma.h>
 #include <plat/cpu.h>
 #include <plat/mcbsp.h>
+#include <plat/omap_device.h>
 
 #include "control.h"
 
-
 /* McBSP internal signal muxing functions */
 
 void omap2_mcbsp1_mux_clkr_src(u8 mux)
@@ -101,573 +101,68 @@ int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
 }
 EXPORT_SYMBOL(omap2_mcbsp_set_clks_src);
 
-
-/* Platform data */
-
-#ifdef CONFIG_SOC_OMAP2420
-struct resource omap2420_mcbsp_res[][6] = {
+struct omap_device_pm_latency omap2_mcbsp_latency[] = {
        {
-               {
-                       .start = OMAP24XX_MCBSP1_BASE,
-                       .end   = OMAP24XX_MCBSP1_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP1_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP1_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP1_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP1_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP24XX_MCBSP2_BASE,
-                       .end   = OMAP24XX_MCBSP2_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP2_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP2_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP2_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP2_TX,
-                       .flags = IORESOURCE_DMA,
-               },
+               .deactivate_func = omap_device_idle_hwmods,
+               .activate_func   = omap_device_enable_hwmods,
+               .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
        },
 };
-#define OMAP2420_MCBSP_RES_SZ          ARRAY_SIZE(omap2420_mcbsp_res[1])
-#define OMAP2420_MCBSP_COUNT           ARRAY_SIZE(omap2420_mcbsp_res)
-#else
-#define omap2420_mcbsp_res             NULL
-#define OMAP2420_MCBSP_RES_SZ          0
-#define OMAP2420_MCBSP_COUNT           0
-#endif
 
-#define omap2420_mcbsp_pdata           NULL
+static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
+{
+       int id, count = 1;
+       char *name = "omap-mcbsp";
+       struct omap_hwmod *oh_device[2];
+       struct omap_mcbsp_platform_data *pdata = NULL;
+       struct omap_device *od;
 
-#ifdef CONFIG_SOC_OMAP2430
-struct resource omap2430_mcbsp_res[][6] = {
-       {
-               {
-                       .start = OMAP24XX_MCBSP1_BASE,
-                       .end   = OMAP24XX_MCBSP1_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP1_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP1_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP1_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP1_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP24XX_MCBSP2_BASE,
-                       .end   = OMAP24XX_MCBSP2_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP2_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP2_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP2_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP2_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP2430_MCBSP3_BASE,
-                       .end   = OMAP2430_MCBSP3_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP3_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP3_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP3_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP3_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP2430_MCBSP4_BASE,
-                       .end   = OMAP2430_MCBSP4_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP4_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP4_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP4_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP4_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP2430_MCBSP5_BASE,
-                       .end   = OMAP2430_MCBSP5_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP5_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP5_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP5_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP5_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-};
-#define OMAP2430_MCBSP_RES_SZ          ARRAY_SIZE(omap2430_mcbsp_res[1])
-#define OMAP2430_MCBSP_COUNT           ARRAY_SIZE(omap2430_mcbsp_res)
-#else
-#define omap2430_mcbsp_res             NULL
-#define OMAP2430_MCBSP_RES_SZ          0
-#define OMAP2430_MCBSP_COUNT           0
-#endif
+       sscanf(oh->name, "mcbsp%d", &id);
 
-#define omap2430_mcbsp_pdata           NULL
+       pdata = kzalloc(sizeof(struct omap_mcbsp_platform_data), GFP_KERNEL);
+       if (!pdata) {
+               pr_err("%s: No memory for mcbsp\n", __func__);
+               return -ENOMEM;
+       }
 
-#ifdef CONFIG_ARCH_OMAP3
-struct resource omap34xx_mcbsp_res[][7] = {
-       {
-               {
-                       .start = OMAP34XX_MCBSP1_BASE,
-                       .end   = OMAP34XX_MCBSP1_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP1_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP1_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP1_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP1_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP34XX_MCBSP2_BASE,
-                       .end   = OMAP34XX_MCBSP2_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "sidetone",
-                       .start = OMAP34XX_MCBSP2_ST_BASE,
-                       .end   = OMAP34XX_MCBSP2_ST_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP2_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP2_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP2_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP2_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP34XX_MCBSP3_BASE,
-                       .end   = OMAP34XX_MCBSP3_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "sidetone",
-                       .start = OMAP34XX_MCBSP3_ST_BASE,
-                       .end   = OMAP34XX_MCBSP3_ST_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP3_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP3_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP3_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP3_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP34XX_MCBSP4_BASE,
-                       .end   = OMAP34XX_MCBSP4_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP4_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP4_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP4_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP4_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP34XX_MCBSP5_BASE,
-                       .end   = OMAP34XX_MCBSP5_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = INT_24XX_MCBSP5_IRQ_RX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = INT_24XX_MCBSP5_IRQ_TX,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP24XX_DMA_MCBSP5_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP24XX_DMA_MCBSP5_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-};
+       if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
+               if (id == 2)
+                       /* The FIFO has 1024 + 256 locations */
+                       pdata->buffer_size = 0x500;
+               else
+                       /* The FIFO has 128 locations */
+                       pdata->buffer_size = 0x80;
+       }
 
-static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
-       {
-               .buffer_size    = 0x80, /* The FIFO has 128 locations */
-       },
-       {
-               .buffer_size    = 0x500, /* The FIFO has 1024 + 256 locations */
-       },
-       {
-               .buffer_size    = 0x80, /* The FIFO has 128 locations */
-       },
-       {
-               .buffer_size    = 0x80, /* The FIFO has 128 locations */
-       },
-       {
-               .buffer_size    = 0x80, /* The FIFO has 128 locations */
-       },
-};
-#define OMAP34XX_MCBSP_RES_SZ          ARRAY_SIZE(omap34xx_mcbsp_res[1])
-#define OMAP34XX_MCBSP_COUNT           ARRAY_SIZE(omap34xx_mcbsp_res)
-#else
-#define omap34xx_mcbsp_pdata           NULL
-#define omap34XX_mcbsp_res             NULL
-#define OMAP34XX_MCBSP_RES_SZ          0
-#define OMAP34XX_MCBSP_COUNT           0
-#endif
+       oh_device[0] = oh;
 
-struct resource omap44xx_mcbsp_res[][6] = {
-       {
-               {
-                       .name  = "mpu",
-                       .start = OMAP44XX_MCBSP1_BASE,
-                       .end   = OMAP44XX_MCBSP1_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "dma",
-                       .start = OMAP44XX_MCBSP1_DMA_BASE,
-                       .end   = OMAP44XX_MCBSP1_DMA_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = 0,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_IRQ_MCBSP1,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP44XX_DMA_MCBSP1_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_DMA_MCBSP1_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .name  = "mpu",
-                       .start = OMAP44XX_MCBSP2_BASE,
-                       .end   = OMAP44XX_MCBSP2_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "dma",
-                       .start = OMAP44XX_MCBSP2_DMA_BASE,
-                       .end   = OMAP44XX_MCBSP2_DMA_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = 0,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_IRQ_MCBSP2,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP44XX_DMA_MCBSP2_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_DMA_MCBSP2_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .name  = "mpu",
-                       .start = OMAP44XX_MCBSP3_BASE,
-                       .end   = OMAP44XX_MCBSP3_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "dma",
-                       .start = OMAP44XX_MCBSP3_DMA_BASE,
-                       .end   = OMAP44XX_MCBSP3_DMA_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = 0,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_IRQ_MCBSP3,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP44XX_DMA_MCBSP3_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_DMA_MCBSP3_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-       {
-               {
-                       .start = OMAP44XX_MCBSP4_BASE,
-                       .end   = OMAP44XX_MCBSP4_BASE + SZ_256,
-                       .flags = IORESOURCE_MEM,
-               },
-               {
-                       .name  = "rx",
-                       .start = 0,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_IRQ_MCBSP4,
-                       .flags = IORESOURCE_IRQ,
-               },
-               {
-                       .name  = "rx",
-                       .start = OMAP44XX_DMA_MCBSP4_RX,
-                       .flags = IORESOURCE_DMA,
-               },
-               {
-                       .name  = "tx",
-                       .start = OMAP44XX_DMA_MCBSP4_TX,
-                       .flags = IORESOURCE_DMA,
-               },
-       },
-};
-#define omap44xx_mcbsp_pdata           NULL
-#define OMAP44XX_MCBSP_RES_SZ          ARRAY_SIZE(omap44xx_mcbsp_res[1])
-#define OMAP44XX_MCBSP_COUNT           ARRAY_SIZE(omap44xx_mcbsp_res)
+       if (oh->dev_attr) {
+               oh_device[1] = omap_hwmod_lookup((
+               (struct omap_mcbsp_dev_attr *)(oh->dev_attr))->sidetone);
+               count++;
+       }
+       od = omap_device_build_ss(name, id, oh_device, count, pdata,
+                               sizeof(*pdata), omap2_mcbsp_latency,
+                               ARRAY_SIZE(omap2_mcbsp_latency), false);
+       kfree(pdata);
+       if (IS_ERR(od))  {
+               pr_err("%s: Cant build omap_device for %s:%s.\n", __func__,
+                                       name, oh->name);
+               return PTR_ERR(od);
+       }
+       omap_mcbsp_count++;
+       return 0;
+}
 
 static int __init omap2_mcbsp_init(void)
 {
-       if (cpu_is_omap2420())
-               omap_mcbsp_count = OMAP2420_MCBSP_COUNT;
-       else if (cpu_is_omap2430())
-               omap_mcbsp_count = OMAP2430_MCBSP_COUNT;
-       else if (cpu_is_omap34xx())
-               omap_mcbsp_count = OMAP34XX_MCBSP_COUNT;
-       else if (cpu_is_omap44xx())
-               omap_mcbsp_count = OMAP44XX_MCBSP_COUNT;
+       omap_hwmod_for_each_by_class("mcbsp", omap_init_mcbsp, NULL);
 
        mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
                                                                GFP_KERNEL);
        if (!mcbsp_ptr)
                return -ENOMEM;
 
-       if (cpu_is_omap2420())
-               omap_mcbsp_register_board_cfg(omap2420_mcbsp_res[0],
-                                       OMAP2420_MCBSP_RES_SZ,
-                                       omap2420_mcbsp_pdata,
-                                       OMAP2420_MCBSP_COUNT);
-       if (cpu_is_omap2430())
-               omap_mcbsp_register_board_cfg(omap2430_mcbsp_res[0],
-                                       OMAP2420_MCBSP_RES_SZ,
-                                       omap2430_mcbsp_pdata,
-                                       OMAP2430_MCBSP_COUNT);
-       if (cpu_is_omap34xx())
-               omap_mcbsp_register_board_cfg(omap34xx_mcbsp_res[0],
-                                       OMAP34XX_MCBSP_RES_SZ,
-                                       omap34xx_mcbsp_pdata,
-                                       OMAP34XX_MCBSP_COUNT);
-       if (cpu_is_omap44xx())
-               omap_mcbsp_register_board_cfg(omap44xx_mcbsp_res[0],
-                                       OMAP44XX_MCBSP_RES_SZ,
-                                       omap44xx_mcbsp_pdata,
-                                       OMAP44XX_MCBSP_COUNT);
-
        return omap_mcbsp_init();
 }
 arch_initcall(omap2_mcbsp_init);
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index 1fe06372c9ce5c3c752209e168d44640ce5a0af5..c6cabfc77a12712afa4b273313ac2c580e496abd 100644 (file)
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -421,8 +421,8 @@ struct omap_mcbsp_platform_data {
 #ifdef CONFIG_ARCH_OMAP3
        /* Sidetone block for McBSP 2 and 3 */
        unsigned long phys_base_st;
-       u16 buffer_size;
 #endif
+       u16 buffer_size;
 };
 
 struct omap_mcbsp_st_data {