Revision 171d4ff79f965c1f164705ef0aaea102a6ad238b authored by Linus Torvalds on 24 September 2020, 16:09:47 UTC, committed by Linus Torvalds on 24 September 2020, 16:09:47 UTC
Pull MMC fix from Ulf Hansson: "Fix build warning in mmc_spi when CONFIG_HAS_DMA is unset" * tag 'mmc-v5.9-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: mmc_spi: Fix mmc_spi_dma_alloc() return type for !HAS_DMA
ashrdi3.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
*/
#include <linux/export.h>
#include <linux/libgcc.h>
long long notrace __ashrdi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;
if (b == 0)
return u;
uu.ll = u;
bm = 32 - b;
if (bm <= 0) {
/* w.s.high = 1..1 or 0..0 */
w.s.high =
uu.s.high >> 31;
w.s.low = uu.s.high >> -bm;
} else {
const unsigned int carries = (unsigned int) uu.s.high << bm;
w.s.high = uu.s.high >> b;
w.s.low = ((unsigned int) uu.s.low >> b) | carries;
}
return w.ll;
}
EXPORT_SYMBOL(__ashrdi3);
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