usb: musb: enable ux500 host side dma support
authorMian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Wed, 15 May 2013 12:03:24 +0000 (14:03 +0200)
committerFelipe Balbi <balbi@ti.com>
Tue, 28 May 2013 16:58:57 +0000 (19:58 +0300)
Host side dma support for ux500 is enabled by piggybacking on Inventra
dma support.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/musb/musb_host.c

index f15d114572d5287cdc77a42008da338efad43928..1e370eec9100f2c7b8444bd7dd14646de043293d 100644 (file)
@@ -629,7 +629,7 @@ static bool musb_tx_dma_program(struct dma_controller *dma,
        u16                     csr;
        u8                      mode;
 
-#ifdef CONFIG_USB_INVENTRA_DMA
+#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA)
        if (length > channel->max_len)
                length = channel->max_len;
 
@@ -1663,7 +1663,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 
        /* FIXME this is _way_ too much in-line logic for Mentor DMA */
 
-#ifndef CONFIG_USB_INVENTRA_DMA
+#if !defined(CONFIG_USB_INVENTRA_DMA) && !defined(CONFIG_USB_UX500_DMA)
        if (rx_csr & MUSB_RXCSR_H_REQPKT)  {
                /* REVISIT this happened for a while on some short reads...
                 * the cleanup still needs investigation... looks bad...
@@ -1695,7 +1695,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
                        | MUSB_RXCSR_RXPKTRDY);
                musb_writew(hw_ep->regs, MUSB_RXCSR, val);
 
-#ifdef CONFIG_USB_INVENTRA_DMA
+#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA)
                if (usb_pipeisoc(pipe)) {
                        struct usb_iso_packet_descriptor *d;
 
@@ -1751,7 +1751,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
                }
 
                /* we are expecting IN packets */
-#ifdef CONFIG_USB_INVENTRA_DMA
+#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA)
                if (dma) {
                        struct dma_controller   *c;
                        u16                     rx_count;
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