arm/imx/dma-v1: protect #ifdef'd blocks additionally by cpu_is_...

This is necessary for a multi-SoC kernel.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

1 files changed, 30 insertions, 23 deletions

diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c
index eddc96594ec6..e16014b0d13c 100644
--- a/arch/arm/plat-mxc/dma-mx1-mx2.c
+++ b/arch/arm/plat-mxc/dma-mx1-mx2.c
@@ -476,7 +476,8 @@ void imx_dma_enable(int channel)
                 CCR_ACRPT, DMA_CCR(channel));
 
 #ifdef CONFIG_ARCH_MX2
-        if (imxdma->sg && imx_dma_hw_chain(imxdma)) {
+        if ((cpu_is_mx21() || cpu_is_mx27()) &&
+                        imxdma->sg && imx_dma_hw_chain(imxdma)) {
                 imxdma->sg = sg_next(imxdma->sg);
                 if (imxdma->sg) {
                         u32 tmp;
@@ -654,7 +655,8 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
         int i, disr;
 
 #ifdef CONFIG_ARCH_MX2
-        dma_err_handler(irq, dev_id);
+        if (cpu_is_mx21() || cpu_is_mx27())
+                dma_err_handler(irq, dev_id);
 #endif
 
         disr = imx_dmav1_readl(DMA_DISR);
@@ -702,17 +704,19 @@ int imx_dma_request(int channel, const char *name)
         local_irq_restore(flags); /* request_irq() can block */
 
 #ifdef CONFIG_ARCH_MX2
-        ret = request_irq(MX2x_INT_DMACH0 + channel, dma_irq_handler, 0, "DMA",
-                        NULL);
-        if (ret) {
-                imxdma->name = NULL;
-                printk(KERN_CRIT "Can't register IRQ %d for DMA channel %d\n",
-                                MX2x_INT_DMACH0 + channel, channel);
-                return ret;
+        if (cpu_is_mx21() || cpu_is_mx27()) {
+                ret = request_irq(MX2x_INT_DMACH0 + channel,
+                                dma_irq_handler, 0, "DMA", NULL);
+                if (ret) {
+                        imxdma->name = NULL;
+                        pr_crit("Can't register IRQ %d for DMA channel %d\n",
+                                        MX2x_INT_DMACH0 + channel, channel);
+                        return ret;
+                }
+                init_timer(&imxdma->watchdog);
+                imxdma->watchdog.function = &imx_dma_watchdog;
+                imxdma->watchdog.data = channel;
         }
-        init_timer(&imxdma->watchdog);
-        imxdma->watchdog.function = &imx_dma_watchdog;
-        imxdma->watchdog.data = channel;
 #endif
 
         return ret;
@@ -741,7 +745,8 @@ void imx_dma_free(int channel)
         imxdma->name = NULL;
 
 #ifdef CONFIG_ARCH_MX2
-        free_irq(MX2x_INT_DMACH0 + channel, NULL);
+        if (cpu_is_mx21() || cpu_is_mx27())
+                free_irq(MX2x_INT_DMACH0 + channel, NULL);
 #endif
 
         local_irq_restore(flags);
@@ -823,17 +828,19 @@ static int __init imx_dma_init(void)
         imx_dmav1_writel(DCR_DRST, DMA_DCR);
 
 #ifdef CONFIG_ARCH_MX1
-        ret = request_irq(DMA_INT, dma_irq_handler, 0, "DMA", NULL);
-        if (ret) {
-                printk(KERN_CRIT "Wow!  Can't register IRQ for DMA\n");
-                return ret;
-        }
+        if (cpu_is_mx1()) {
+                ret = request_irq(MX1_DMA_INT, dma_irq_handler, 0, "DMA", NULL);
+                if (ret) {
+                        pr_crit("Wow!  Can't register IRQ for DMA\n");
+                        return ret;
+                }
 
-        ret = request_irq(DMA_ERR, dma_err_handler, 0, "DMA", NULL);
-        if (ret) {
-                printk(KERN_CRIT "Wow!  Can't register ERRIRQ for DMA\n");
-                free_irq(DMA_INT, NULL);
-                return ret;
+                ret = request_irq(MX1_DMA_ERR, dma_err_handler, 0, "DMA", NULL);
+                if (ret) {
+                        pr_crit("Wow!  Can't register ERRIRQ for DMA\n");
+                        free_irq(MX1_DMA_INT, NULL);
+                        return ret;
+                }
         }
 #endif
         /* enable DMA module */