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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-02-17 22:17:43 +0100
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-02-24 10:07:07 +0100
commit8735fde2d0c42ae914d3e68d967612ff417f463c (patch)
treec012be0f6f095b4e33b608d197d60b8392deaa99
parente9f49d4183759e4d8469ac86189ef8bc4374cccc (diff)
downloadlinux-8735fde2d0c42ae914d3e68d967612ff417f463c.tar.bz2
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>
-rw-r--r--arch/arm/plat-mxc/dma-mx1-mx2.c53
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 */