Merge branch 'master' of /usr/src/ntfs-2.6/

3 files changed, 74 insertions, 67 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 143f01a4c1..69c0494559 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -4,7 +4,7 @@
  *
  * (C) 2000 Red Hat. GPL'd
  *
- * $Id: cfi_cmdset_0001.c,v 1.185 2005/11/07 11:14:22 gleixner Exp $
+ * $Id: cfi_cmdset_0001.c,v 1.186 2005/11/23 22:07:52 nico Exp $
  *
  *
  * 10/10/2000   Nicolas Pitre <nico@cam.org>
@@ -644,9 +644,8 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
                  *
                  * - contension arbitration is handled in the owner's context.
                  *
-                 * The 'shared' struct can be read when its lock is taken.
-                 * However any writes to it can only be made when the current
-                 * owner's lock is also held.
+                 * The 'shared' struct can be read and/or written only when
+                 * its lock is taken.
                  */
                 struct flchip_shared *shared = chip->priv;
                 struct flchip *contender;
@@ -675,14 +674,13 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
                         }
                         timeo = jiffies + HZ;
                         spin_lock(&shared->lock);
+                        spin_unlock(contender->mutex);
                 }
 
                 /* We now own it */
                 shared->writing = chip;
                 if (mode == FL_ERASING)
                         shared->erasing = chip;
-                if (contender && contender != chip)
-                        spin_unlock(contender->mutex);
                 spin_unlock(&shared->lock);
         }
 
diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index 90eb30e06b..e636aa86bc 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -1,7 +1,7 @@
 /*
    Common Flash Interface probe code.
    (C) 2000 Red Hat. GPL'd.
-   $Id: cfi_probe.c,v 1.84 2005/11/07 11:14:23 gleixner Exp $
+   $Id: cfi_probe.c,v 1.86 2005/11/29 14:48:31 gleixner Exp $
 */
 
 #include <linux/config.h>
@@ -230,8 +230,8 @@ static int __xipram cfi_chip_setup(struct map_info *map,
         cfi_send_gen_cmd(0xaa, 0x555, base, map, cfi, cfi->device_type, NULL);
         cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
         cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
-        cfi->mfr = cfi_read_query(map, base);
-        cfi->id = cfi_read_query(map, base + ofs_factor);
+        cfi->mfr = cfi_read_query16(map, base);
+        cfi->id = cfi_read_query16(map, base + ofs_factor);
 
         /* Put it back into Read Mode */
         cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
@@ -426,7 +426,7 @@ static struct mtd_chip_driver cfi_chipdrv = {
         .module         = THIS_MODULE
 };
 
-int __init cfi_probe_init(void)
+static int __init cfi_probe_init(void)
 {
         register_mtd_chip_driver(&cfi_chipdrv);
         return 0;
diff --git a/drivers/mtd/chips/sharp.c b/drivers/mtd/chips/sharp.c
index 2d26bdef82..36f61a6a76 100644
--- a/drivers/mtd/chips/sharp.c
+++ b/drivers/mtd/chips/sharp.c
@@ -4,7 +4,7 @@
  * Copyright 2000,2001 David A. Schleef <ds@schleef.org>
  *           2000,2001 Lineo, Inc.
  *
- * $Id: sharp.c,v 1.16 2005/11/07 11:14:23 gleixner Exp $
+ * $Id: sharp.c,v 1.17 2005/11/29 14:28:28 gleixner Exp $
  *
  * Devices supported:
  *   LH28F016SCT Symmetrical block flash memory, 2Mx8
@@ -160,22 +160,28 @@ struct mtd_info *sharp_probe(struct map_info *map)
         return mtd;
 }
 
+static inline void sharp_send_cmd(struct map_info *map, unsigned long cmd, unsigned long adr)
+{
+        map_word map_cmd;
+        map_cmd.x[0] = cmd;
+        map_write(map, map_cmd, adr);
+}
+
 static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd)
 {
-        unsigned long tmp;
+        map_word tmp, read0, read4;
         unsigned long base = 0;
-        u32 read0, read4;
         int width = 4;
 
-        tmp = map_read32(map, base+0);
+        tmp = map_read(map, base+0);
 
-        map_write32(map, CMD_READ_ID, base+0);
+        sharp_send_cmd(map, CMD_READ_ID, base+0);
 
-        read0=map_read32(map, base+0);
-        read4=map_read32(map, base+4);
-        if(read0 == 0x89898989){
+        read0 = map_read(map, base+0);
+        read4 = map_read(map, base+4);
+        if(read0.x[0] == 0x89898989){
                 printk("Looks like sharp flash\n");
-                switch(read4){
+                switch(read4.x[0]){
                 case 0xaaaaaaaa:
                 case 0xa0a0a0a0:
                         /* aa - LH28F016SCT-L95 2Mx8, 32 64k blocks*/
@@ -197,16 +203,16 @@ static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd)
                         return width;
 #endif
                 default:
-                        printk("Sort-of looks like sharp flash, 0x%08x 0x%08x\n",
-                                read0,read4);
+                        printk("Sort-of looks like sharp flash, 0x%08lx 0x%08lx\n",
+                                read0.x[0], read4.x[0]);
                 }
-        }else if((map_read32(map, base+0) == CMD_READ_ID)){
+        }else if((map_read(map, base+0).x[0] == CMD_READ_ID)){
                 /* RAM, probably */
                 printk("Looks like RAM\n");
-                map_write32(map, tmp, base+0);
+                map_write(map, tmp, base+0);
         }else{
-                printk("Doesn't look like sharp flash, 0x%08x 0x%08x\n",
-                        read0,read4);
+                printk("Doesn't look like sharp flash, 0x%08lx 0x%08lx\n",
+                        read0.x[0], read4.x[0]);
         }
 
         return 0;
@@ -215,7 +221,8 @@ static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd)
 /* This function returns with the chip->mutex lock held. */
 static int sharp_wait(struct map_info *map, struct flchip *chip)
 {
-        int status, i;
+        int i;
+        map_word status;
         unsigned long timeo = jiffies + HZ;
         DECLARE_WAITQUEUE(wait, current);
         int adr = 0;
@@ -225,12 +232,12 @@ retry:
 
         switch(chip->state){
         case FL_READY:
-                map_write32(map,CMD_READ_STATUS,adr);
+                sharp_send_cmd(map, CMD_READ_STATUS, adr);
                 chip->state = FL_STATUS;
         case FL_STATUS:
                 for(i=0;i<100;i++){
-                        status = map_read32(map,adr);
-                        if((status & SR_READY)==SR_READY)
+                        status = map_read(map, adr);
+                        if((status.x[0] & SR_READY)==SR_READY)
                                 break;
                         udelay(1);
                 }
@@ -254,7 +261,7 @@ retry:
                 goto retry;
         }
 
-        map_write32(map,CMD_RESET, adr);
+        sharp_send_cmd(map, CMD_RESET, adr);
 
         chip->state = FL_READY;
 
@@ -351,37 +358,39 @@ static int sharp_write_oneword(struct map_info *map, struct flchip *chip,
         int timeo;
         int try;
         int i;
-        int status = 0;
+        map_word data, status;
 
+        status.x[0] = 0;
         ret = sharp_wait(map,chip);
 
         for(try=0;try<10;try++){
-                map_write32(map,CMD_BYTE_WRITE,adr);
+                sharp_send_cmd(map, CMD_BYTE_WRITE, adr);
                 /* cpu_to_le32 -> hack to fix the writel be->le conversion */
-                map_write32(map,cpu_to_le32(datum),adr);
+                data.x[0] = cpu_to_le32(datum);
+                map_write(map, data, adr);
 
                 chip->state = FL_WRITING;
 
                 timeo = jiffies + (HZ/2);
 
-                map_write32(map,CMD_READ_STATUS,adr);
+                sharp_send_cmd(map, CMD_READ_STATUS, adr);
                 for(i=0;i<100;i++){
-                        status = map_read32(map,adr);
-                        if((status & SR_READY)==SR_READY)
+                        status = map_read(map, adr);
+                        if((status.x[0] & SR_READY) == SR_READY)
                                 break;
                 }
                 if(i==100){
                         printk("sharp: timed out writing\n");
                 }
 
-                if(!(status&SR_ERRORS))
+                if(!(status.x[0] & SR_ERRORS))
                         break;
 
-                printk("sharp: error writing byte at addr=%08lx status=%08x\n",adr,status);
+                printk("sharp: error writing byte at addr=%08lx status=%08lx\n", adr, status.x[0]);
 
-                map_write32(map,CMD_CLEAR_STATUS,adr);
+                sharp_send_cmd(map, CMD_CLEAR_STATUS, adr);
         }
-        map_write32(map,CMD_RESET,adr);
+        sharp_send_cmd(map, CMD_RESET, adr);
         chip->state = FL_READY;
 
         wake_up(&chip->wq);
@@ -434,18 +443,18 @@ static int sharp_do_wait_for_ready(struct map_info *map, struct flchip *chip,
 {
         int ret;
         unsigned long timeo;
-        int status;
+        map_word status;
         DECLARE_WAITQUEUE(wait, current);
 
-        map_write32(map,CMD_READ_STATUS,adr);
-        status = map_read32(map,adr);
+        sharp_send_cmd(map, CMD_READ_STATUS, adr);
+        status = map_read(map, adr);
 
         timeo = jiffies + HZ;
 
         while(time_before(jiffies, timeo)){
-                map_write32(map,CMD_READ_STATUS,adr);
-                status = map_read32(map,adr);
-                if((status & SR_READY)==SR_READY){
+                sharp_send_cmd(map, CMD_READ_STATUS, adr);
+                status = map_read(map, adr);
+                if((status.x[0] & SR_READY)==SR_READY){
                         ret = 0;
                         goto out;
                 }
@@ -476,7 +485,7 @@ static int sharp_erase_oneblock(struct map_info *map, struct flchip *chip,
 {
         int ret;
         //int timeo;
-        int status;
+        map_word status;
         //int i;
 
 //printk("sharp_erase_oneblock()\n");
@@ -486,26 +495,26 @@ static int sharp_erase_oneblock(struct map_info *map, struct flchip *chip,
         sharp_unlock_oneblock(map,chip,adr);
 #endif
 
-        map_write32(map,CMD_BLOCK_ERASE_1,adr);
-        map_write32(map,CMD_BLOCK_ERASE_2,adr);
+        sharp_send_cmd(map, CMD_BLOCK_ERASE_1, adr);
+        sharp_send_cmd(map, CMD_BLOCK_ERASE_2, adr);
 
         chip->state = FL_ERASING;
 
         ret = sharp_do_wait_for_ready(map,chip,adr);
         if(ret<0)return ret;
 
-        map_write32(map,CMD_READ_STATUS,adr);
-        status = map_read32(map,adr);
+        sharp_send_cmd(map, CMD_READ_STATUS, adr);
+        status = map_read(map, adr);
 
-        if(!(status&SR_ERRORS)){
-                map_write32(map,CMD_RESET,adr);
+        if(!(status.x[0] & SR_ERRORS)){
+                sharp_send_cmd(map, CMD_RESET, adr);
                 chip->state = FL_READY;
                 //spin_unlock_bh(chip->mutex);
                 return 0;
         }
 
-        printk("sharp: error erasing block at addr=%08lx status=%08x\n",adr,status);
-        map_write32(map,CMD_CLEAR_STATUS,adr);
+        printk("sharp: error erasing block at addr=%08lx status=%08lx\n", adr, status.x[0]);
+        sharp_send_cmd(map, CMD_CLEAR_STATUS, adr);
 
         //spin_unlock_bh(chip->mutex);
 
@@ -517,20 +526,20 @@ static void sharp_unlock_oneblock(struct map_info *map, struct flchip *chip,
         unsigned long adr)
 {
         int i;
-        int status;
+        map_word status;
 
-        map_write32(map,CMD_CLEAR_BLOCK_LOCKS_1,adr);
-        map_write32(map,CMD_CLEAR_BLOCK_LOCKS_2,adr);
+        sharp_send_cmd(map, CMD_CLEAR_BLOCK_LOCKS_1, adr);
+        sharp_send_cmd(map, CMD_CLEAR_BLOCK_LOCKS_2, adr);
 
         udelay(100);
 
-        status = map_read32(map,adr);
-        printk("status=%08x\n",status);
+        status = map_read(map, adr);
+        printk("status=%08lx\n", status.x[0]);
 
         for(i=0;i<1000;i++){
-                //map_write32(map,CMD_READ_STATUS,adr);
-                status = map_read32(map,adr);
-                if((status & SR_READY)==SR_READY)
+                //sharp_send_cmd(map, CMD_READ_STATUS, adr);
+                status = map_read(map, adr);
+                if((status.x[0] & SR_READY) == SR_READY)
                         break;
                 udelay(100);
         }
@@ -538,14 +547,14 @@ static void sharp_unlock_oneblock(struct map_info *map, struct flchip *chip,
                 printk("sharp: timed out unlocking block\n");
         }
 
-        if(!(status&SR_ERRORS)){
-                map_write32(map,CMD_RESET,adr);
+        if(!(status.x[0] & SR_ERRORS)){
+                sharp_send_cmd(map, CMD_RESET, adr);
                 chip->state = FL_READY;
                 return;
         }
 
-        printk("sharp: error unlocking block at addr=%08lx status=%08x\n",adr,status);
-        map_write32(map,CMD_CLEAR_STATUS,adr);
+        printk("sharp: error unlocking block at addr=%08lx status=%08lx\n", adr, status.x[0]);
+        sharp_send_cmd(map, CMD_CLEAR_STATUS, adr);
 }
 #endif