diff options
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/usb/musb/jz4740.c | 10 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_gadget.c | 13 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_host.c | 4 | ||||
| -rw-r--r-- | drivers/usb/musb/musbhsdma.c | 21 |
5 files changed, 27 insertions, 26 deletions
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index ad08895e78f9..f742fddc5e2c 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # USB Dual Role (OTG-ready) Controller Drivers # for silicon based on Mentor Graphics INVENTRA designs @@ -111,9 +112,9 @@ config USB_MUSB_UX500 config USB_MUSB_JZ4740 tristate "JZ4740" depends on NOP_USB_XCEIV - depends on MACH_JZ4740 || COMPILE_TEST + depends on MIPS || COMPILE_TEST depends on USB_MUSB_GADGET - depends on USB_OTG_BLACKLIST_HUB + depends on USB=n || USB_OTG_BLACKLIST_HUB config USB_MUSB_AM335X_CHILD tristate diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c index 04d8b2bc205a..a60627bf7be3 100644 --- a/drivers/usb/musb/jz4740.c +++ b/drivers/usb/musb/jz4740.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/usb/usb_phy_generic.h> @@ -188,11 +189,20 @@ static int jz4740_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id jz4740_musb_of_match[] = { + { .compatible = "ingenic,jz4740-musb" }, + {}, +}; +MODULE_DEVICE_TABLE(of, jz4740_musb_of_match); +#endif + static struct platform_driver jz4740_driver = { .probe = jz4740_probe, .remove = jz4740_remove, .driver = { .name = "musb-jz4740", + .of_match_table = of_match_ptr(jz4740_musb_of_match), }, }; diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index eae8b1b1b45b..ffe462a657b1 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -452,13 +452,10 @@ void musb_g_tx(struct musb *musb, u8 epnum) } if (request) { - u8 is_dma = 0; - bool short_packet = false; trace_musb_req_tx(req); if (dma && (csr & MUSB_TXCSR_DMAENAB)) { - is_dma = 1; csr |= MUSB_TXCSR_P_WZC_BITS; csr &= ~(MUSB_TXCSR_DMAENAB | MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_TXPKTRDY | MUSB_TXCSR_AUTOSET); @@ -476,16 +473,8 @@ void musb_g_tx(struct musb *musb, u8 epnum) */ if ((request->zero && request->length) && (request->length % musb_ep->packet_sz == 0) - && (request->actual == request->length)) - short_packet = true; + && (request->actual == request->length)) { - if ((musb_dma_inventra(musb) || musb_dma_ux500(musb)) && - (is_dma && (!dma->desired_mode || - (request->actual & - (musb_ep->packet_sz - 1))))) - short_packet = true; - - if (short_packet) { /* * On DMA completion, FIFO may not be * available yet... diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index b59ce9ad14ce..eb308ec35c66 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -378,7 +378,7 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb, qh = first_qh(head); break; } - /* else: fall through */ + /* fall through */ case USB_ENDPOINT_XFER_ISOC: case USB_ENDPOINT_XFER_INT: @@ -1283,7 +1283,7 @@ void musb_host_tx(struct musb *musb, u8 epnum) MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY); } - return; + return; } done: diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index a688f7f87829..5fc6825745f2 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -346,12 +346,10 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data) channel->status = MUSB_DMA_STATUS_FREE; /* completed */ - if ((devctl & MUSB_DEVCTL_HM) - && (musb_channel->transmit) - && ((channel->desired_mode == 0) - || (channel->actual_len & - (musb_channel->max_packet_sz - 1))) - ) { + if (musb_channel->transmit && + (!channel->desired_mode || + (channel->actual_len % + musb_channel->max_packet_sz))) { u8 epnum = musb_channel->epnum; int offset = musb->io.ep_offset(epnum, MUSB_TXCSR); @@ -363,11 +361,14 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data) */ musb_ep_select(mbase, epnum); txcsr = musb_readw(mbase, offset); - txcsr &= ~(MUSB_TXCSR_DMAENAB + if (channel->desired_mode == 1) { + txcsr &= ~(MUSB_TXCSR_DMAENAB | MUSB_TXCSR_AUTOSET); - musb_writew(mbase, offset, txcsr); - /* Send out the packet */ - txcsr &= ~MUSB_TXCSR_DMAMODE; + musb_writew(mbase, offset, txcsr); + /* Send out the packet */ + txcsr &= ~MUSB_TXCSR_DMAMODE; + txcsr |= MUSB_TXCSR_DMAENAB; + } txcsr |= MUSB_TXCSR_TXPKTRDY; musb_writew(mbase, offset, txcsr); } |