[kernel] r13393 - in dists/trunk/linux-2.6/debian: . patches/features/all patches/series
Ben Hutchings
benh at alioth.debian.org
Sun Apr 12 02:29:17 UTC 2009
Author: benh
Date: Sun Apr 12 02:29:15 2009
New Revision: 13393
Log:
Reenable rt2860 using request_firmware(), thanks to Darren Salt
Added:
dists/trunk/linux-2.6/debian/patches/features/all/drivers-staging-rt2860sta-request_firmware.patch
dists/trunk/linux-2.6/debian/patches/features/all/lib-crcitut-bit-reversed.patch
Modified:
dists/trunk/linux-2.6/debian/changelog
dists/trunk/linux-2.6/debian/patches/series/base
Modified: dists/trunk/linux-2.6/debian/changelog
==============================================================================
--- dists/trunk/linux-2.6/debian/changelog Sat Apr 11 15:43:56 2009 (r13392)
+++ dists/trunk/linux-2.6/debian/changelog Sun Apr 12 02:29:15 2009 (r13393)
@@ -9,9 +9,10 @@
* Enable PATA_JMICRON instead of legacy BLK_DEV_JMICRON.
(closes: #431500, #458493)
- [ Ben Hutchings ]
- * Remove firmware from driver/staging (closes: #521553)
- - Disable affected drivers: rt2860, rt2870
+ [ Ben Hutchings ]
+ * Remove firmware from driver/staging (closes: #521553)
+ - make rt2860 use request_firmware(), thanks to Darren Salt
+ - disable rt2870
[ Martin Michlmayr ]
* [arm/orion5x] Enable CONFIG_SENSORS_G760A used on the D-Link DNS-323.
Added: dists/trunk/linux-2.6/debian/patches/features/all/drivers-staging-rt2860sta-request_firmware.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/trunk/linux-2.6/debian/patches/features/all/drivers-staging-rt2860sta-request_firmware.patch Sun Apr 12 02:29:15 2009 (r13393)
@@ -0,0 +1,396 @@
+From 02df6f973eb21fe94fac2c580f71912fbb961c6c Mon Sep 17 00:00:00 2001
+From: Darren Salt <linux at youmustbejoking.demon.co.uk>
+Date: Sat, 11 Apr 2009 16:01:56 +0100
+Subject: [PATCH] rt2860sta: use the firmware loader interface and library CRC code
+
+Signed-off-by: Darren Salt <linux at youmustbejoking.demon.co.uk>
+---
+ drivers/staging/rt2860/Kconfig | 3 +-
+ drivers/staging/rt2860/common/rtmp_init.c | 305 ++++++----------------------
+ 2 files changed, 68 insertions(+), 240 deletions(-)
+
+diff --git a/drivers/staging/rt2860/Kconfig b/drivers/staging/rt2860/Kconfig
+index a282fa4..d75a87a 100644
+--- a/drivers/staging/rt2860/Kconfig
++++ b/drivers/staging/rt2860/Kconfig
+@@ -1,6 +1,7 @@
+ config RT2860
+ tristate "Ralink 2860 wireless support"
+- depends on BROKEN
+ depends on PCI && X86 && WLAN_80211
++ select CRC_ITU_T
++ select FW_LOADER
+ ---help---
+ This is an experimental driver for the Ralink 2860 wireless chip.
+diff --git a/drivers/staging/rt2860/common/rtmp_init.c b/drivers/staging/rt2860/common/rtmp_init.c
+index 8a00cee..138e81b 100644
+--- a/drivers/staging/rt2860/common/rtmp_init.c
++++ b/drivers/staging/rt2860/common/rtmp_init.c
+@@ -38,8 +38,8 @@
+ Jan Lee 2006-09-15 RT2860. Change for 802.11n , EEPROM, Led, BA, HT.
+ */
+ #include "../rt_config.h"
+-#include "firmware.h"
+-#include <linux/bitrev.h>
++#include <linux/firmware.h>
++#include <linux/crc-itu-t.h>
+
+ UCHAR BIT8[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
+ ULONG BIT32[] = {0x00000001, 0x00000002, 0x00000004, 0x00000008,
+@@ -53,43 +53,6 @@ ULONG BIT32[] = {0x00000001, 0x00000002, 0x00000004, 0x00000008,
+
+ char* CipherName[] = {"none","wep64","wep128","TKIP","AES","CKIP64","CKIP128"};
+
+-const unsigned short ccitt_16Table[] = {
+- 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
+- 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
+- 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
+- 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
+- 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
+- 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
+- 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
+- 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
+- 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
+- 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
+- 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
+- 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
+- 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
+- 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
+- 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
+- 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
+- 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
+- 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
+- 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
+- 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
+- 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
+- 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+- 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
+- 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
+- 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
+- 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
+- 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
+- 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
+- 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
+- 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
+- 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
+- 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
+-};
+-#define ByteCRC16(v, crc) \
+- (unsigned short)((crc << 8) ^ ccitt_16Table[((crc >> 8) ^ (v)) & 255])
+-
+ //
+ // BBP register initialization set
+ //
+@@ -178,6 +141,8 @@ RTMP_REG_PAIR STAMACRegTable[] = {
+ #endif // CONFIG_STA_SUPPORT //
+
+
++#define FW_FILENAME "rt2860sta.fw"
++
+ // New 8k byte firmware size for RT3071/RT3072
+ #define FIRMWAREIMAGE_MAX_LENGTH 0x2000
+ #define FIRMWAREIMAGE_LENGTH (sizeof (FirmwareImage) / sizeof(UCHAR))
+@@ -2643,186 +2608,61 @@ VOID NICEraseFirmware(
+ NDIS_STATUS NICLoadFirmware(
+ IN PRTMP_ADAPTER pAd)
+ {
+-#ifdef BIN_IN_FILE
+-#define NICLF_DEFAULT_USE() \
+- flg_default_firm_use = TRUE; \
+- printk("%s - Use default firmware!\n", __func__);
+-
+- NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
+- PUCHAR src;
+- struct file *srcf;
+- INT retval, orgfsuid, orgfsgid, i;
+- mm_segment_t orgfs;
+- PUCHAR pFirmwareImage;
+- UINT FileLength = 0;
+- UINT32 MacReg;
+- ULONG Index;
+- ULONG firm;
+- BOOLEAN flg_default_firm_use = FALSE;
+-
+-
+- DBGPRINT(RT_DEBUG_TRACE, ("===> %s\n", __func__));
+-
+- /* init */
+- pFirmwareImage = NULL;
+- src = RTMP_FIRMWARE_FILE_NAME;
+-
+- /* save uid and gid used for filesystem access.
+- set user and group to 0 (root) */
+- orgfsuid = current->fsuid;
+- orgfsgid = current->fsgid;
+- current->fsuid = current->fsgid = 0;
+- orgfs = get_fs();
+- set_fs(KERNEL_DS);
+-
+- pAd->FirmwareVersion = (FIRMWARE_MAJOR_VERSION << 8) + \
+- FIRMWARE_MINOR_VERSION;
+-
+-
+- /* allocate firmware buffer */
+- pFirmwareImage = kmalloc(MAX_FIRMWARE_IMAGE_SIZE, MEM_ALLOC_FLAG);
+- if (pFirmwareImage == NULL)
+- {
+- /* allocate fail, use default firmware array in firmware.h */
+- printk("%s - Allocate memory fail!\n", __func__);
+- NICLF_DEFAULT_USE();
+- }
+- else
+- {
+- /* allocate ok! zero the firmware buffer */
+- memset(pFirmwareImage, 0x00, MAX_FIRMWARE_IMAGE_SIZE);
+- } /* End of if */
+-
++ const struct firmware *fw;
++ const uint8_t *fwdata = NULL;
++ int ret, i;
++ NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
+
+- /* if ok, read firmware file from *.bin file */
+- if (flg_default_firm_use == FALSE)
+- {
+- do
+- {
+- /* open the bin file */
+- srcf = filp_open(src, O_RDONLY, 0);
++ ret = request_firmware(&fw, FW_FILENAME,
++ &((POS_COOKIE)pAd->OS_Cookie)->pci_dev->dev);
+
+- if (IS_ERR(srcf))
+- {
+- printk("%s - Error %ld opening %s\n",
+- __func__, -PTR_ERR(srcf), src);
+- NICLF_DEFAULT_USE();
+- break;
+- } /* End of if */
+-
+- /* the object must have a read method */
+- if ((srcf->f_op == NULL) || (srcf->f_op->read == NULL))
+- {
+- printk("%s - %s does not have a write method\n", __func__, src);
+- NICLF_DEFAULT_USE();
+- break;
+- } /* End of if */
+-
+- /* read the firmware from the file *.bin */
+- FileLength = srcf->f_op->read(srcf,
+- pFirmwareImage,
+- MAX_FIRMWARE_IMAGE_SIZE,
+- &srcf->f_pos);
+-
+- if (FileLength != MAX_FIRMWARE_IMAGE_SIZE)
+- {
+- printk("%s: error file length (=%d) in RT2860AP.BIN\n",
+- __func__, FileLength);
+- NICLF_DEFAULT_USE();
+- break;
+- }
+- else
+- {
+- PUCHAR ptr = pFirmwareImage;
+- USHORT crc = 0xffff;
++ /* successfully received? */
++ if (ret || !fw) {
++ printk(KERN_ERR "rt2860sta: firmware file %s request failed (%d)\n",
++ FW_FILENAME, ret);
++ goto fail;
++ }
+
++ fwdata = (const uint8_t *)fw->data;
+
+- /* calculate firmware CRC */
+- for(i=0; i<(MAX_FIRMWARE_IMAGE_SIZE-2); i++, ptr++)
+- crc = ByteCRC16(bitrev8(*ptr), crc);
+- /* End of for */
++ /* is the size correct? */
++ if (fw->size != MAX_FIRMWARE_IMAGE_SIZE) {
++ printk(KERN_ERR "rt2860sta: firmware file %s size is wrong\n",
++ FW_FILENAME);
++ goto fail;
++ }
+
+- if ((pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-2] != \
+- (UCHAR)bitrev8((UCHAR)(crc>>8))) ||
+- (pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-1] != \
+- (UCHAR)bitrev8((UCHAR)crc)))
+- {
+- /* CRC fail */
+- printk("%s: CRC = 0x%02x 0x%02x "
+- "error, should be 0x%02x 0x%02x\n",
+- __func__,
+- pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-2],
+- pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-1],
+- (UCHAR)(crc>>8), (UCHAR)(crc));
+- NICLF_DEFAULT_USE();
+- break;
+- }
+- else
+- {
+- /* firmware is ok */
+- pAd->FirmwareVersion = \
+- (pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-4] << 8) +
+- pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-3];
+-
+- /* check if firmware version of the file is too old */
+- if ((pAd->FirmwareVersion) < \
+- ((FIRMWARE_MAJOR_VERSION << 8) +
+- FIRMWARE_MINOR_VERSION))
+- {
+- printk("%s: firmware version too old!\n", __func__);
+- NICLF_DEFAULT_USE();
+- break;
+- } /* End of if */
+- } /* End of if */
+-
+- DBGPRINT(RT_DEBUG_TRACE,
+- ("NICLoadFirmware: CRC ok, ver=%d.%d\n",
+- pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-4],
+- pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-3]));
+- } /* End of if (FileLength == MAX_FIRMWARE_IMAGE_SIZE) */
+- break;
+- } while(TRUE);
++ /* is it new enough? */
++ pAd->FirmwareVersion = fwdata[fw->size - 4] << 8 |
++ fwdata[fw->size - 3];
+
+- /* close firmware file */
+- if (IS_ERR(srcf))
+- ;
+- else
+- {
+- retval = filp_close(srcf, NULL);
+- if (retval)
+- {
+- DBGPRINT(RT_DEBUG_ERROR,
+- ("--> Error %d closing %s\n", -retval, src));
+- } /* End of if */
+- } /* End of if */
+- } /* End of if */
++ if (pAd->FirmwareVersion < (FIRMWARE_MAJOR_VERSION << 8 | FIRMWARE_MINOR_VERSION)) {
++ printk(KERN_ERR "rt2860sta: firmware file %s is too old\n",
++ FW_FILENAME);
++ goto fail;
++ }
+
++ /* is the internal CRC correct? */
++ if (crc_itu_t_bitreversed(0xffff, fwdata, fw->size - 2) !=
++ (bitrev8(fwdata[fw->size - 2]) << 8 | bitrev8(fwdata[fw->size - 1]))) {
++ /* CRC fail */
++ printk(KERN_ERR "rt2860sta: firmware file %s failed internal CRC\n",
++ FW_FILENAME);
++ goto fail;
++ }
+
+ /* write firmware to ASIC */
+- if (flg_default_firm_use == TRUE)
+- {
+- /* use default fimeware, free allocated buffer */
+- if (pFirmwareImage != NULL)
+- kfree(pFirmwareImage);
+- /* End of if */
+-
+- /* use default *.bin array */
+- pFirmwareImage = FirmwareImage;
+- FileLength = sizeof(FirmwareImage);
+- } /* End of if */
+
+ /* enable Host program ram write selection */
+ RTMP_IO_WRITE32(pAd, PBF_SYS_CTRL, 0x10000);
+
+- for(i=0; i<FileLength; i+=4)
+- {
+- firm = pFirmwareImage[i] +
+- (pFirmwareImage[i+3] << 24) +
+- (pFirmwareImage[i+2] << 16) +
+- (pFirmwareImage[i+1] << 8);
+-
++ for (i = 0; i < fw->size; i += 4) {
++ uint32_t firm = fwdata[i] |
++ fwdata[i+1] << 8 |
++ fwdata[i+2] << 16 |
++ fwdata[i+3] << 24;
+ RTMP_IO_WRITE32(pAd, FIRMWARE_IMAGE_BASE + i, firm);
+- } /* End of for */
++ }
+
+ RTMP_IO_WRITE32(pAd, PBF_SYS_CTRL, 0x00000);
+ RTMP_IO_WRITE32(pAd, PBF_SYS_CTRL, 0x00001);
+@@ -2831,51 +2671,38 @@ NDIS_STATUS NICLoadFirmware(
+ RTMP_IO_WRITE32(pAd, H2M_BBP_AGENT, 0);
+ RTMP_IO_WRITE32(pAd, H2M_MAILBOX_CSR, 0);
+
+- if (flg_default_firm_use == FALSE)
+- {
+- /* use file firmware, free allocated buffer */
+- if (pFirmwareImage != NULL)
+- kfree(pFirmwareImage);
+- /* End of if */
+- } /* End of if */
++ release_firmware(fw);
+
+- set_fs(orgfs);
+- current->fsuid = orgfsuid;
+- current->fsgid = orgfsgid;
+-#else
+-
+- NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
+- PUCHAR pFirmwareImage;
+- ULONG FileLength, Index;
+- //ULONG firm;
+- UINT32 MacReg = 0;
+-
+- pFirmwareImage = FirmwareImage;
+- FileLength = sizeof(FirmwareImage);
+- RT28XX_WRITE_FIRMWARE(pAd, pFirmwareImage, FileLength);
+-#endif
+-
+- /* check if MCU is ready */
+- Index = 0;
+- do
+- {
++ /* Check if MCU is ready - this may work even if firmware load
++ * failed: specifically, if firmware was loaded some time ago & the
++ * device hasn't been powered down since.
++ * There is the possibility of failure here...
++ */
++ i = 0;
++ do {
++ UINT32 MacReg;
+ RTMP_IO_READ32(pAd, PBF_SYS_CTRL, &MacReg);
+
+ if (MacReg & 0x80)
+ break;
+
+ RTMPusecDelay(1000);
+- } while (Index++ < 1000);
++ } while (++i < 1000);
+
+- if (Index >= 1000)
+- {
++ if (i >= 1000) {
+ Status = NDIS_STATUS_FAILURE;
+- DBGPRINT(RT_DEBUG_ERROR, ("NICLoadFirmware: MCU is not ready\n\n\n"));
+- } /* End of if */
++ printk(KERN_ERR "rt2860sta: failed to install firmware: MCU is not ready\n");
++ } else if (Status == NDIS_STATUS_SUCCESS) {
++ printk(KERN_INFO "rt2860sta: firmware loaded\n");
++ }
+
+- DBGPRINT(RT_DEBUG_TRACE,
++ DBGPRINT(RT_DEBUG_TRACE,
+ ("<=== %s (status=%d)\n", __func__, Status));
+- return Status;
++ return Status;
++
++fail:
++ release_firmware(fw);
++ return NDIS_STATUS_FAILURE;
+ } /* End of NICLoadFirmware */
+
+
+--
+1.5.6.5
+
Added: dists/trunk/linux-2.6/debian/patches/features/all/lib-crcitut-bit-reversed.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/trunk/linux-2.6/debian/patches/features/all/lib-crcitut-bit-reversed.patch Sun Apr 12 02:29:15 2009 (r13393)
@@ -0,0 +1,80 @@
+From c450dd0d27ff5cd7b83084e381e0cc808db2554e Mon Sep 17 00:00:00 2001
+From: Darren Salt <linux at youmustbejoking.demon.co.uk>
+Date: Sat, 11 Apr 2009 15:40:04 +0100
+Subject: [PATCH] crc-itu-t: add bit-reversed calculation
+
+Signed-off-by: Darren Salt <linux at youmustbejoking.demon.co.uk>
+---
+ include/linux/crc-itu-t.h | 10 ++++++++++
+ lib/crc-itu-t.c | 18 ++++++++++++++++++
+ 2 files changed, 28 insertions(+), 0 deletions(-)
+
+diff --git a/include/linux/crc-itu-t.h b/include/linux/crc-itu-t.h
+index 84920f3..7b2b7ba 100644
+--- a/include/linux/crc-itu-t.h
++++ b/include/linux/crc-itu-t.h
+@@ -6,6 +6,9 @@
+ * Poly 0x0x1021 (x^16 + x^12 + x^15 + 1)
+ * Init 0
+ *
++ * The bit-reversed buffer variants may be non-standard, but some firmware
++ * loaders require them.
++ *
+ * This source code is licensed under the GNU General Public License,
+ * Version 2. See the file COPYING for more details.
+ */
+@@ -14,15 +17,22 @@
+ #define CRC_ITU_T_H
+
+ #include <linux/types.h>
++#include <linux/bitrev.h>
+
+ extern u16 const crc_itu_t_table[256];
+
+ extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len);
++extern u16 crc_itu_t_bitreversed(u16 crc, const u8 *buffer, size_t len);
+
+ static inline u16 crc_itu_t_byte(u16 crc, const u8 data)
+ {
+ return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff];
+ }
+
++static inline u16 crc_itu_t_bitreversed_byte(u16 crc, const u8 data)
++{
++ return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ bitrev8(data)) & 0xff];
++}
++
+ #endif /* CRC_ITU_T_H */
+
+diff --git a/lib/crc-itu-t.c b/lib/crc-itu-t.c
+index a63472b..886981e 100644
+--- a/lib/crc-itu-t.c
++++ b/lib/crc-itu-t.c
+@@ -64,6 +64,24 @@ u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len)
+ }
+ EXPORT_SYMBOL(crc_itu_t);
+
++/**
++ * crc_itu_t_byte_reversed - Compute the CRC-ITU-T for the data buffer;
++ * the buffer content is assumed to be bit-reversed
++ *
++ * @crc: previous CRC value
++ * @buffer: data pointer
++ * @len: number of bytes in the buffer
++ *
++ * Returns the updated CRC value
++ */
++u16 crc_itu_t_bitreversed(u16 crc, const u8 *buffer, size_t len)
++{
++ while (len--)
++ crc = crc_itu_t_bitreversed_byte(crc, *buffer++);
++ return crc;
++}
++EXPORT_SYMBOL(crc_itu_t_bitreversed);
++
+ MODULE_DESCRIPTION("CRC ITU-T V.41 calculations");
+ MODULE_LICENSE("GPL");
+
+--
+1.5.6.5
+
Modified: dists/trunk/linux-2.6/debian/patches/series/base
==============================================================================
--- dists/trunk/linux-2.6/debian/patches/series/base Sat Apr 11 15:43:56 2009 (r13392)
+++ dists/trunk/linux-2.6/debian/patches/series/base Sun Apr 12 02:29:15 2009 (r13393)
@@ -10,6 +10,9 @@
+ features/all/drivers-gpu-drm-r128-request_firmware.patch
# FIXME:
#+ features/all/drivers-gpu-drm-radeon-request_firmware.patch
+# rt2860sta needs ITU-T CRC on bit-reversed data
++ features/all/lib-crcitut-bit-reversed.patch
++ features/all/drivers-staging-rt2860sta-request_firmware.patch
+ features/all/export-unionfs-symbols.patch
+ bugfix/sparc/drivers_net-broken.patch
More information about the Kernel-svn-changes
mailing list