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05 April 2024, 19:05:47 UTC
Revision 10c5ccc3c6d32f3d7d6c07de1d3f0f4b52f3e3ab authored by Jay Dolan on 05 March 2020, 14:05:04 UTC, committed by Greg Kroah-Hartman on 05 March 2020, 20:30:04 UTC 
serial: 8250_exar: add support for ACCES cards
 
Add ACCES VIDs and PIDs that use the Exar chips

Signed-off-by: Jay Dolan <jay.dolan@accesio.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200305140504.22237-1-jay.dolan@accesio.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 parent 4a3e208
Raw File
Tip revision: 10c5ccc3c6d32f3d7d6c07de1d3f0f4b52f3e3ab authored by Jay Dolan on 05 March 2020, 14:05:04 UTC
serial: 8250_exar: add support for ACCES cards
Tip revision: 10c5ccc
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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