/*
 *  linux/drivers/video/console/fbcon_rotate.c -- Software Rotation
 *
 *      Copyright (C) 2005 Antonino Daplas <adaplas @pol.net>
 *
 *  This file is subject to the terms and conditions of the GNU General Public
 *  License.  See the file COPYING in the main directory of this archive for
 *  more details.
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/fb.h>
#include <linux/vt_kern.h>
#include <linux/console.h>
#include <asm/types.h>
#include "fbcon.h"
#include "fbcon_rotate.h"

static int fbcon_rotate_font(struct fb_info *info, struct vc_data *vc)
{
	struct fbcon_ops *ops = info->fbcon_par;
	int len, err = 0;
	int s_cellsize, d_cellsize, i;
	const u8 *src;
	u8 *dst;

	if (vc->vc_font.data == ops->fontdata &&
	    ops->p->con_rotate == ops->cur_rotate)
		goto finished;

	src = ops->fontdata = vc->vc_font.data;
	ops->cur_rotate = ops->p->con_rotate;
	len = (!ops->p->userfont) ? 256 : FNTCHARCNT(src);
	s_cellsize = ((vc->vc_font.width + 7)/8) *
		vc->vc_font.height;
	d_cellsize = s_cellsize;

	if (ops->rotate == FB_ROTATE_CW ||
	    ops->rotate == FB_ROTATE_CCW)
		d_cellsize = ((vc->vc_font.height + 7)/8) *
			vc->vc_font.width;

	if (info->fbops->fb_sync)
		info->fbops->fb_sync(info);

	if (ops->fd_size < d_cellsize * len) {
		dst = kmalloc(d_cellsize * len, GFP_KERNEL);

		if (dst == NULL) {
			err = -ENOMEM;
			goto finished;
		}

		ops->fd_size = d_cellsize * len;
		kfree(ops->fontbuffer);
		ops->fontbuffer = dst;
	}

	dst = ops->fontbuffer;
	memset(dst, 0, ops->fd_size);

	switch (ops->rotate) {
	case FB_ROTATE_UD:
		for (i = len; i--; ) {
			rotate_ud(src, dst, vc->vc_font.width,
				  vc->vc_font.height);

			src += s_cellsize;
			dst += d_cellsize;
		}
		break;
	case FB_ROTATE_CW:
		for (i = len; i--; ) {
			rotate_cw(src, dst, vc->vc_font.width,
				  vc->vc_font.height);
			src += s_cellsize;
			dst += d_cellsize;
		}
		break;
	case FB_ROTATE_CCW:
		for (i = len; i--; ) {
			rotate_ccw(src, dst, vc->vc_font.width,
				   vc->vc_font.height);
			src += s_cellsize;
			dst += d_cellsize;
		}
		break;
	}

finished:
	return err;
}

void fbcon_set_rotate(struct fbcon_ops *ops)
{
	ops->rotate_font = fbcon_rotate_font;

	switch(ops->rotate) {
	case FB_ROTATE_CW:
		fbcon_rotate_cw(ops);
		break;
	case FB_ROTATE_UD:
		fbcon_rotate_ud(ops);
		break;
	case FB_ROTATE_CCW:
		fbcon_rotate_ccw(ops);
		break;
	}
}
EXPORT_SYMBOL(fbcon_set_rotate);

MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>");
MODULE_DESCRIPTION("Console Rotation Support");
MODULE_LICENSE("GPL");
e='range'>range</option>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=52f5631a4c056ad01682393be56d2be237e81610'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=52f5631a4c056ad01682393be56d2be237e81610'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen?id=52f5631a4c056ad01682393be56d2be237e81610'>xen</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen/interface?id=52f5631a4c056ad01682393be56d2be237e81610'>interface</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen/interface/io?id=52f5631a4c056ad01682393be56d2be237e81610'>io</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen/interface/io/xenbus.h?id=52f5631a4c056ad01682393be56d2be237e81610'>xenbus.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='52f5631a4c056ad01682393be56d2be237e81610'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Jurij Smakov &lt;jurij@wooyd.org&gt;</td><td class='right'>2017-01-30 15:41:36 -0600</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-31 09:05:25 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/xen/interface/io/xenbus.h?id=52f5631a4c056ad01682393be56d2be237e81610'>52f5631a4c056ad01682393be56d2be237e81610</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/xen/interface/io/xenbus.h?id=52f5631a4c056ad01682393be56d2be237e81610'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=52f5631a4c056ad01682393be56d2be237e81610'>53d1ddd2c1b179c808df10b6ce731ad26aa9f31b</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/xen/interface/io/xenbus.h?id=52f5631a4c056ad01682393be56d2be237e81610'>include/xen/interface/io/xenbus.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/xen/interface/io/xenbus.h?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>2b1d530cb3157f828fcaadd259613f59db3c6d1c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/xen/interface/io/xenbus.h?id=52f5631a4c056ad01682393be56d2be237e81610&amp;id2=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>diff</a>)</td></tr></table>
<div class='commit-subject'>rtlwifi: rtl8192ce: Fix loading of incorrect firmware</div><div class='commit-msg'>In commit cf4747d7535a ("rtlwifi: Fix regression caused by commit
d86e64768859, an error in the edit results in the wrong firmware
being loaded for some models of the RTL8188/8192CE. In this condition,
the connection suffered from high ping latency, slow transfer rates,
 and required higher signal strengths to work at all

See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=853073,
https://bugzilla.opensuse.org/show_bug.cgi?id=1017471, and
https://github.com/lwfinger/rtlwifi_new/issues/203 for descriptions
of the problems. This patch fixes all of those problems.

Fixes: cf4747d7535a ("rtlwifi: Fix regression caused by commit d86e64768859")
Signed-off-by: Jurij Smakov &lt;jurij@wooyd.org&gt;
Signed-off-by: Larry Finger &lt;Larry.Finger@lwfinger.net&gt;
Cc: Stable &lt;stable@vger.kernel.org&gt; # 4.9+
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=52f5631a4c056ad01682393be56d2be237e81610'>Diffstat</a> (limited to 'include/xen/interface/io/xenbus.h')</div><table summary='diffstat' class='diffstat'>