usb: musb: cppi: fix build errors due to DBG and missing musb variable

Replace DBG with dev_dbg and fix invalid access of musb->controller.
With this patch cppi_dma builds successfully.

Cc: <stable@kernel.org>
Signed-off-by: Per Forlin <per.forlin@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 149f3f3..318fb4e 100644 (file)
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -226,8 +226,10 @@ static int cppi_controller_stop(struct dma_controller *c)
        struct cppi             *controller;
        void __iomem            *tibase;
        int                     i;
+       struct musb             *musb;
 
        controller = container_of(c, struct cppi, controller);
+       musb = controller->musb;
 
        tibase = controller->tibase;
        /* DISABLE INDIVIDUAL CHANNEL Interrupts */
@@ -289,9 +291,11 @@ cppi_channel_allocate(struct dma_controller *c,
        u8                      index;
        struct cppi_channel     *cppi_ch;
        void __iomem            *tibase;
+       struct musb             *musb;
 
        controller = container_of(c, struct cppi, controller);
        tibase = controller->tibase;
+       musb = controller->musb;
 
        /* ep0 doesn't use DMA; remember cppi indices are 0..N-1 */
        index = ep->epnum - 1;
@@ -339,7 +343,8 @@ static void cppi_channel_release(struct dma_channel *channel)
        c = container_of(channel, struct cppi_channel, channel);
        tibase = c->controller->tibase;
        if (!c->hw_ep)
-               dev_dbg(musb->controller, "releasing idle DMA channel %p\n", c);
+               dev_dbg(c->controller->musb->controller,
+                       "releasing idle DMA channel %p\n", c);
        else if (!c->transmit)
                core_rxirq_enable(tibase, c->index + 1);
 
@@ -357,10 +362,11 @@ cppi_dump_rx(int level, struct cppi_channel *c, const char *tag)
 
        musb_ep_select(base, c->index + 1);
 
-       DBG(level, "RX DMA%d%s: %d left, csr %04x, "
-                       "%08x H%08x S%08x C%08x, "
-                       "B%08x L%08x %08x .. %08x"
-                       "\n",
+       dev_dbg(c->controller->musb->controller,
+               "RX DMA%d%s: %d left, csr %04x, "
+               "%08x H%08x S%08x C%08x, "
+               "B%08x L%08x %08x .. %08x"
+               "\n",
                c->index, tag,
                musb_readl(c->controller->tibase,
                        DAVINCI_RXCPPI_BUFCNT0_REG + 4 * c->index),
@@ -387,10 +393,11 @@ cppi_dump_tx(int level, struct cppi_channel *c, const char *tag)
 
        musb_ep_select(base, c->index + 1);
 
-       DBG(level, "TX DMA%d%s: csr %04x, "
-                       "H%08x S%08x C%08x %08x, "
-                       "F%08x L%08x .. %08x"
-                       "\n",
+       dev_dbg(c->controller->musb->controller,
+               "TX DMA%d%s: csr %04x, "
+               "H%08x S%08x C%08x %08x, "
+               "F%08x L%08x .. %08x"
+               "\n",
                c->index, tag,
                musb_readw(c->hw_ep->regs, MUSB_TXCSR),
 
@@ -1022,6 +1029,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
        int                             i;
        dma_addr_t                      safe2ack;
        void __iomem                    *regs = rx->hw_ep->regs;
+       struct musb                     *musb = cppi->musb;
 
        cppi_dump_rx(6, rx, "/K");