From b5c03bffa67727697252e913f64703e3404867ae Mon Sep 17 00:00:00 2001 From: Vaishali Thakkar Date: Wed, 10 Jun 2015 16:04:25 +0530 Subject: [PATCH] usb: udc: Convert use of __constant_cpu_to_leXX to cpu_to_leXX In big endian cases, the macro cpu_to_le{16,32} unfolds to __swab{16,32} which provides special case for constants. In little endian cases, __constant_cpu_to_le{16,32} and cpu_to_le{16,32} expand directly to the same expression. So, replace __constant_cpu_to_le{16,32} with cpu_to_le{16,32} with the goal of getting rid of the definition of __constant_cpu_to_le{16,32} completely. The semantic patch that performs this transformation is as follows: @@expression x;@@ ( - __constant_cpu_to_le16(x) + cpu_to_le16(x) | - __constant_cpu_to_le32(x) + cpu_to_le32(x) ) Signed-off-by: Vaishali Thakkar Signed-off-by: Felipe Balbi --- drivers/usb/gadget/udc/net2272.c | 4 ++-- drivers/usb/gadget/udc/pch_udc.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 195baf3..c2ed5da 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -1826,9 +1826,9 @@ net2272_handle_stat0_irqs(struct net2272 *dev, u8 stat) if (!e || u.r.wLength > 2) goto do_stall; if (net2272_ep_read(e, EP_RSPSET) & (1 << ENDPOINT_HALT)) - status = __constant_cpu_to_le16(1); + status = cpu_to_le16(1); else - status = __constant_cpu_to_le16(0); + status = cpu_to_le16(0); /* don't bother with a request object! */ net2272_ep_write(&dev->ep[0], EP_IRQENB, 0); diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 613547f..dcf5def 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1793,7 +1793,7 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, } /* prevent from using desc. - set HOST BUSY */ dma_desc->status |= PCH_UDC_BS_HST_BSY; - dma_desc->dataptr = __constant_cpu_to_le32(DMA_ADDR_INVALID); + dma_desc->dataptr = cpu_to_le32(DMA_ADDR_INVALID); req->td_data = dma_desc; req->td_data_last = dma_desc; req->chain_len = 1; -- 2.7.4