Merge branch 'fixes' into for-linus
[firefly-linux-kernel-4.4.55.git] / arch / arm / plat-omap / dma.c
index 7fe626761e53bc87a2aaec3add8c7f7854635875..c76ed8bff8389c752f389ac0c26253ff39dc4802 100644 (file)
@@ -36,9 +36,8 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 
-#include <mach/hardware.h>
+#include <plat/cpu.h>
 #include <plat/dma.h>
-
 #include <plat/tc.h>
 
 /*
@@ -969,8 +968,7 @@ void omap_stop_dma(int lch)
                        l = p->dma_read(CCR, lch);
                }
                if (i >= 100)
-                       printk(KERN_ERR "DMA drain did not complete on "
-                                       "lch %d\n", lch);
+                       pr_err("DMA drain did not complete on lch %d\n", lch);
                /* Restore OCP_SYSCONFIG */
                p->dma_write(sys_cf, OCP_SYSCONFIG, lch);
        } else {
@@ -1154,8 +1152,7 @@ void omap_dma_link_lch(int lch_head, int lch_queue)
 
        if ((dma_chan[lch_head].dev_id == -1) ||
            (dma_chan[lch_queue].dev_id == -1)) {
-               printk(KERN_ERR "omap_dma: trying to link "
-                      "non requested channels\n");
+               pr_err("omap_dma: trying to link non requested channels\n");
                dump_stack();
        }
 
@@ -1181,15 +1178,13 @@ void omap_dma_unlink_lch(int lch_head, int lch_queue)
 
        if (dma_chan[lch_head].next_lch != lch_queue ||
            dma_chan[lch_head].next_lch == -1) {
-               printk(KERN_ERR "omap_dma: trying to unlink "
-                      "non linked channels\n");
+               pr_err("omap_dma: trying to unlink non linked channels\n");
                dump_stack();
        }
 
        if ((dma_chan[lch_head].flags & OMAP_DMA_ACTIVE) ||
            (dma_chan[lch_queue].flags & OMAP_DMA_ACTIVE)) {
-               printk(KERN_ERR "omap_dma: You need to stop the DMA channels "
-                      "before unlinking\n");
+               pr_err("omap_dma: You need to stop the DMA channels before unlinking\n");
                dump_stack();
        }
 
@@ -1831,16 +1826,15 @@ static int omap1_dma_handle_ch(int ch)
        if ((csr & 0x3f) == 0)
                return 0;
        if (unlikely(dma_chan[ch].dev_id == -1)) {
-               printk(KERN_WARNING "Spurious interrupt from DMA channel "
-                      "%d (CSR %04x)\n", ch, csr);
+               pr_warn("Spurious interrupt from DMA channel %d (CSR %04x)\n",
+                       ch, csr);
                return 0;
        }
        if (unlikely(csr & OMAP1_DMA_TOUT_IRQ))
-               printk(KERN_WARNING "DMA timeout with device %d\n",
-                      dma_chan[ch].dev_id);
+               pr_warn("DMA timeout with device %d\n", dma_chan[ch].dev_id);
        if (unlikely(csr & OMAP_DMA_DROP_IRQ))
-               printk(KERN_WARNING "DMA synchronization event drop occurred "
-                      "with device %d\n", dma_chan[ch].dev_id);
+               pr_warn("DMA synchronization event drop occurred with device %d\n",
+                       dma_chan[ch].dev_id);
        if (likely(csr & OMAP_DMA_BLOCK_IRQ))
                dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;
        if (likely(dma_chan[ch].callback != NULL))
@@ -1880,21 +1874,19 @@ static int omap2_dma_handle_ch(int ch)
 
        if (!status) {
                if (printk_ratelimit())
-                       printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n",
-                               ch);
+                       pr_warn("Spurious DMA IRQ for lch %d\n", ch);
                p->dma_write(1 << ch, IRQSTATUS_L0, ch);
                return 0;
        }
        if (unlikely(dma_chan[ch].dev_id == -1)) {
                if (printk_ratelimit())
-                       printk(KERN_WARNING "IRQ %04x for non-allocated DMA"
-                                       "channel %d\n", status, ch);
+                       pr_warn("IRQ %04x for non-allocated DMA channel %d\n",
+                               status, ch);
                return 0;
        }
        if (unlikely(status & OMAP_DMA_DROP_IRQ))
-               printk(KERN_INFO
-                      "DMA synchronization event drop occurred with device "
-                      "%d\n", dma_chan[ch].dev_id);
+               pr_info("DMA synchronization event drop occurred with device %d\n",
+                       dma_chan[ch].dev_id);
        if (unlikely(status & OMAP2_DMA_TRANS_ERR_IRQ)) {
                printk(KERN_INFO "DMA transaction error with device %d\n",
                       dma_chan[ch].dev_id);
@@ -2014,8 +2006,9 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev)
 
        p = pdev->dev.platform_data;
        if (!p) {
-               dev_err(&pdev->dev, "%s: System DMA initialized without"
-                       "platform data\n", __func__);
+               dev_err(&pdev->dev,
+                       "%s: System DMA initialized without platform data\n",
+                       __func__);
                return -EINVAL;
        }
 
@@ -2090,8 +2083,8 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev)
                }
                ret = setup_irq(dma_irq, &omap24xx_dma_irq);
                if (ret) {
-                       dev_err(&pdev->dev, "set_up failed for IRQ %d"
-                               "for DMA (error %d)\n", dma_irq, ret);
+                       dev_err(&pdev->dev, "set_up failed for IRQ %d for DMA (error %d)\n",
+                               dma_irq, ret);
                        goto exit_dma_lch_fail;
                }
        }
@@ -2099,8 +2092,7 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev)
        /* reserve dma channels 0 and 1 in high security devices */
        if (cpu_is_omap34xx() &&
                (omap_type() != OMAP2_DEVICE_TYPE_GP)) {
-               printk(KERN_INFO "Reserving DMA channels 0 and 1 for "
-                               "HS ROM code\n");
+               pr_info("Reserving DMA channels 0 and 1 for HS ROM code\n");
                dma_chan[0].dev_id = 0;
                dma_chan[1].dev_id = 1;
        }
@@ -2108,8 +2100,8 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev)
        return 0;
 
 exit_dma_irq_fail:
-       dev_err(&pdev->dev, "unable to request IRQ %d"
-                       "for DMA (error %d)\n", dma_irq, ret);
+       dev_err(&pdev->dev, "unable to request IRQ %d for DMA (error %d)\n",
+               dma_irq, ret);
        for (irq_rel = 0; irq_rel < ch; irq_rel++) {
                dma_irq = platform_get_irq(pdev, irq_rel);
                free_irq(dma_irq, (void *)(irq_rel + 1));