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usb: gadget: pch_udc: Replace cpu_to_le32() by lower_32_bits()

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[ Upstream commit 91356fed6afd1c83bf0d3df1fc336d54e38f0458 ]

Either way ~0 will be in the correct byte order, hence
replace cpu_to_le32() by lower_32_bits(). Moreover,
it makes sparse happy, otherwise it complains:

.../pch_udc.c:1813:27: warning: incorrect type in assignment (different base types)
.../pch_udc.c:1813:27:    expected unsigned int [usertype] dataptr
.../pch_udc.c:1813:27:    got restricted __le32 [usertype]

Fixes: f646cf9452 ("USB device driver of Topcliff PCH")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210323153626.54908-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-03-23 17:36:20 +02:00 • committed by Greg Kroah-Hartman
commit 23978eb064
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/udc/pch_udc.c
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@ -1782,7 +1782,7 @@ 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 = cpu_to_le32(DMA_ADDR_INVALID);
dma_desc->dataptr = lower_32_bits(DMA_ADDR_INVALID);
req->td_data = dma_desc;
req->td_data_last = dma_desc;
req->chain_len = 1;