#include <stdio.h>
#include "../include/generated/autoconf.h"
#include "crc32defs.h"
#include <inttypes.h>

#define ENTRIES_PER_LINE 4

#if CRC_LE_BITS > 8
# define LE_TABLE_ROWS (CRC_LE_BITS/8)
# define LE_TABLE_SIZE 256
#else
# define LE_TABLE_ROWS 1
# define LE_TABLE_SIZE (1 << CRC_LE_BITS)
#endif

#if CRC_BE_BITS > 8
# define BE_TABLE_ROWS (CRC_BE_BITS/8)
# define BE_TABLE_SIZE 256
#else
# define BE_TABLE_ROWS 1
# define BE_TABLE_SIZE (1 << CRC_BE_BITS)
#endif

static uint32_t crc32table_le[LE_TABLE_ROWS][256];
static uint32_t crc32table_be[BE_TABLE_ROWS][256];
static uint32_t crc32ctable_le[LE_TABLE_ROWS][256];

/**
 * crc32init_le() - allocate and initialize LE table data
 *
 * crc is the crc of the byte i; other entries are filled in based on the
 * fact that crctable[i^j] = crctable[i] ^ crctable[j].
 *
 */
static void crc32init_le_generic(const uint32_t polynomial,
				 uint32_t (*tab)[256])
{
	unsigned i, j;
	uint32_t crc = 1;

	tab[0][0] = 0;

	for (i = LE_TABLE_SIZE >> 1; i; i >>= 1) {
		crc = (crc >> 1) ^ ((crc & 1) ? polynomial : 0);
		for (j = 0; j < LE_TABLE_SIZE; j += 2 * i)
			tab[0][i + j] = crc ^ tab[0][j];
	}
	for (i = 0; i < LE_TABLE_SIZE; i++) {
		crc = tab[0][i];
		for (j = 1; j < LE_TABLE_ROWS; j++) {
			crc = tab[0][crc & 0xff] ^ (crc >> 8);
			tab[j][i] = crc;
		}
	}
}

static void crc32init_le(void)
{
	crc32init_le_generic(CRCPOLY_LE, crc32table_le);
}

static void crc32cinit_le(void)
{
	crc32init_le_generic(CRC32C_POLY_LE, crc32ctable_le);
}

/**
 * crc32init_be() - allocate and initialize BE table data
 */
static void crc32init_be(void)
{
	unsigned i, j;
	uint32_t crc = 0x80000000;

	crc32table_be[0][0] = 0;

	for (i = 1; i < BE_TABLE_SIZE; i <<= 1) {
		crc = (crc << 1) ^ ((crc & 0x80000000) ? CRCPOLY_BE : 0);
		for (j = 0; j < i; j++)
			crc32table_be[0][i + j] = crc ^ crc32table_be[0][j];
	}
	for (i = 0; i < BE_TABLE_SIZE; i++) {
		crc = crc32table_be[0][i];
		for (j = 1; j < BE_TABLE_ROWS; j++) {
			crc = crc32table_be[0][(crc >> 24) & 0xff] ^ (crc << 8);
			crc32table_be[j][i] = crc;
		}
	}
}

static void output_table(uint32_t (*table)[256], int rows, int len, char *trans)
{
	int i, j;

	for (j = 0 ; j < rows; j++) {
		printf("{");
		for (i = 0; i < len - 1; i++) {
			if (i % ENTRIES_PER_LINE == 0)
				printf("\n");
			printf("%s(0x%8.8xL), ", trans, table[j][i]);
		}
		printf("%s(0x%8.8xL)},\n", trans, table[j][len - 1]);
	}
}

int main(int argc, char** argv)
{
	printf("/* this file is generated - do not edit */\n\n");

	if (CRC_LE_BITS > 1) {
		crc32init_le();
		printf("static const u32 ____cacheline_aligned "
		       "crc32table_le[%d][%d] = {",
		       LE_TABLE_ROWS, LE_TABLE_SIZE);
		output_table(crc32table_le, LE_TABLE_ROWS,
			     LE_TABLE_SIZE, "tole");
		printf("};\n");
	}

	if (CRC_BE_BITS > 1) {
		crc32init_be();
		printf("static const u32 ____cacheline_aligned "
		       "crc32table_be[%d][%d] = {",
		       BE_TABLE_ROWS, BE_TABLE_SIZE);
		output_table(crc32table_be, LE_TABLE_ROWS,
			     BE_TABLE_SIZE, "tobe");
		printf("};\n");
	}
	if (CRC_LE_BITS > 1) {
		crc32cinit_le();
		printf("static const u32 ____cacheline_aligned "
		       "crc32ctable_le[%d][%d] = {",
		       LE_TABLE_ROWS, LE_TABLE_SIZE);
		output_table(crc32ctable_le, LE_TABLE_ROWS,
			     LE_TABLE_SIZE, "tole");
		printf("};\n");
	}

	return 0;
}
5f5c8978384553dddcf5b81b22'>sun8i-h3-ccu.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='33e962c8871f015f5c8978384553dddcf5b81b22'/><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>Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;</td><td class='right'>2017-01-29 12:40:52 +0100</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-31 09:08:52 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/reset/sun8i-h3-ccu.h?id=33e962c8871f015f5c8978384553dddcf5b81b22'>33e962c8871f015f5c8978384553dddcf5b81b22</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/dt-bindings/reset/sun8i-h3-ccu.h?id=33e962c8871f015f5c8978384553dddcf5b81b22'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=33e962c8871f015f5c8978384553dddcf5b81b22'>43aff96c2ee21d9e0fa2018457778a4de52053cd</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/reset/sun8i-h3-ccu.h?id=33e962c8871f015f5c8978384553dddcf5b81b22'>include/dt-bindings/reset/sun8i-h3-ccu.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/reset/sun8i-h3-ccu.h?id=575ddce0507789bf9830d089557d2199d2f91865'>575ddce0507789bf9830d089557d2199d2f91865</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/reset/sun8i-h3-ccu.h?id=33e962c8871f015f5c8978384553dddcf5b81b22&amp;id2=575ddce0507789bf9830d089557d2199d2f91865'>diff</a>)</td></tr></table>
<div class='commit-subject'>rt2x00: fix clk_get call</div><div class='commit-msg'>clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau &lt;nbd@nbd.name&gt;
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;
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=33e962c8871f015f5c8978384553dddcf5b81b22'>Diffstat</a> (limited to 'include/dt-bindings/reset/sun8i-h3-ccu.h')</div><table summary='diffstat' class='diffstat'>