Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6: (82 commits)
  [MTD] m25p80: Add Support for ATMEL AT25DF641 64-Megabit SPI Flash
  [MTD] m25p80: add FAST_READ access support to M25Pxx
  [MTD] [NAND] bf5xx_nand: Avoid crash if bfin_mac is installed.
  [MTD] [NAND] at91_nand: control NCE signal
  [MTD] [NAND] AT91 hardware ECC compile fix for at91sam9263 / at91sam9260
  [MTD] [NAND] Hardware ECC controller on at91sam9263 / at91sam9260
  [JFFS2] Introduce dbg_readinode2 log level, use it to shut read_dnode() up
  [JFFS2] Fix jffs2_reserve_space() when all blocks are pending erasure.
  [JFFS2] Add erase_checking_list to hold blocks being marked.
  UBI: add a message
  [JFFS2] Return values of jffs2_block_check_erase error paths
  [MTD] Clean up AR7 partition map support
  [MTD] [NOR] Fix Intel CFI driver for collie flash
  [JFFS2] Finally remove redundant ref->__totlen field.
  [JFFS2] Honour TEST_TOTLEN macro in debugging code. ref->__totlen is going!
  [JFFS2] Add paranoia debugging for superblock counts
  [JFFS2] Fix free space leak with in-band cleanmarkers
  [JFFS2] Self-sufficient #includes in jffs2_fs_i.h: include <linux/mutex.h>
  [MTD] [NAND] Verify probe by retrying to checking the results match
  [MTD] [NAND] S3C2410 Allow ECC disable to be specified by the board
  ...

6 files changed, 48 insertions, 28 deletions

diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 811d56fd890f..35ed1103dbb2 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -77,6 +77,13 @@ config MTD_M25P80
           if you want to specify device partitioning or to use a device which
           doesn't support the JEDEC ID instruction.
 
+config M25PXX_USE_FAST_READ
+        bool "Use FAST_READ OPCode allowing SPI CLK <= 50MHz"
+        depends on MTD_M25P80
+        default y
+        help
+          This option enables FAST_READ access supported by ST M25Pxx.
+
 config MTD_SLRAM
         tristate "Uncached system RAM"
         help
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index ad1880c67518..519d942e7940 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -305,7 +305,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
         }
         list_add(&dev->list, &blkmtd_device_list);
         INFO("mtd%d: [%s] erase_size = %dKiB [%d]", dev->mtd.index,
-                        dev->mtd.name + strlen("blkmtd: "),
+                        dev->mtd.name + strlen("block2mtd: "),
                         dev->mtd.erasesize >> 10, dev->mtd.erasesize);
         return dev;
 
@@ -366,9 +366,9 @@ static inline void kill_final_newline(char *str)
 }
 
 
-#define parse_err(fmt, args...) do {            \
-        ERROR("block2mtd: " fmt "\n", ## args); \
-        return 0;                               \
+#define parse_err(fmt, args...) do {    \
+        ERROR(fmt, ## args);            \
+        return 0;                       \
 } while (0)
 
 #ifndef MODULE
@@ -473,7 +473,7 @@ static void __devexit block2mtd_exit(void)
                 block2mtd_sync(&dev->mtd);
                 del_mtd_device(&dev->mtd);
                 INFO("mtd%d: [%s] removed", dev->mtd.index,
-                                dev->mtd.name + strlen("blkmtd: "));
+                                dev->mtd.name + strlen("block2mtd: "));
                 list_del(&dev->list);
                 block2mtd_free_device(dev);
         }
diff --git a/drivers/mtd/devices/lart.c b/drivers/mtd/devices/lart.c
index 99fd210feaec..1d324e5c412d 100644
--- a/drivers/mtd/devices/lart.c
+++ b/drivers/mtd/devices/lart.c
@@ -275,7 +275,7 @@ static __u8 read8 (__u32 offset)
 {
    volatile __u8 *data = (__u8 *) (FLASH_OFFSET + offset);
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(): 0x%.8x -> 0x%.2x\n",__FUNCTION__,offset,*data);
+   printk (KERN_DEBUG "%s(): 0x%.8x -> 0x%.2x\n", __func__, offset, *data);
 #endif
    return (*data);
 }
@@ -284,7 +284,7 @@ static __u32 read32 (__u32 offset)
 {
    volatile __u32 *data = (__u32 *) (FLASH_OFFSET + offset);
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(): 0x%.8x -> 0x%.8x\n",__FUNCTION__,offset,*data);
+   printk (KERN_DEBUG "%s(): 0x%.8x -> 0x%.8x\n", __func__, offset, *data);
 #endif
    return (*data);
 }
@@ -294,7 +294,7 @@ static void write32 (__u32 x,__u32 offset)
    volatile __u32 *data = (__u32 *) (FLASH_OFFSET + offset);
    *data = x;
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(): 0x%.8x <- 0x%.8x\n",__FUNCTION__,offset,*data);
+   printk (KERN_DEBUG "%s(): 0x%.8x <- 0x%.8x\n", __func__, offset, *data);
 #endif
 }
 
@@ -337,7 +337,7 @@ static inline int erase_block (__u32 offset)
    __u32 status;
 
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(): 0x%.8x\n",__FUNCTION__,offset);
+   printk (KERN_DEBUG "%s(): 0x%.8x\n", __func__, offset);
 #endif
 
    /* erase and confirm */
@@ -371,7 +371,7 @@ static int flash_erase (struct mtd_info *mtd,struct erase_info *instr)
    int i,first;
 
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(addr = 0x%.8x, len = %d)\n",__FUNCTION__,instr->addr,instr->len);
+   printk (KERN_DEBUG "%s(addr = 0x%.8x, len = %d)\n", __func__, instr->addr, instr->len);
 #endif
 
    /* sanity checks */
@@ -442,7 +442,7 @@ static int flash_erase (struct mtd_info *mtd,struct erase_info *instr)
 static int flash_read (struct mtd_info *mtd,loff_t from,size_t len,size_t *retlen,u_char *buf)
 {
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(from = 0x%.8x, len = %d)\n",__FUNCTION__,(__u32) from,len);
+   printk (KERN_DEBUG "%s(from = 0x%.8x, len = %d)\n", __func__, (__u32)from, len);
 #endif
 
    /* sanity checks */
@@ -488,7 +488,7 @@ static inline int write_dword (__u32 offset,__u32 x)
    __u32 status;
 
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(): 0x%.8x <- 0x%.8x\n",__FUNCTION__,offset,x);
+   printk (KERN_DEBUG "%s(): 0x%.8x <- 0x%.8x\n", __func__, offset, x);
 #endif
 
    /* setup writing */
@@ -524,7 +524,7 @@ static int flash_write (struct mtd_info *mtd,loff_t to,size_t len,size_t *retlen
    int i,n;
 
 #ifdef LART_DEBUG
-   printk (KERN_DEBUG "%s(to = 0x%.8x, len = %d)\n",__FUNCTION__,(__u32) to,len);
+   printk (KERN_DEBUG "%s(to = 0x%.8x, len = %d)\n", __func__, (__u32)to, len);
 #endif
 
    *retlen = 0;
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 98df5bcc02f3..25efd331ef28 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -33,7 +33,7 @@
 /* Flash opcodes. */
 #define OPCODE_WREN             0x06    /* Write enable */
 #define OPCODE_RDSR             0x05    /* Read status register */
-#define OPCODE_READ             0x03    /* Read data bytes (low frequency) */
+#define OPCODE_NORM_READ        0x03    /* Read data bytes (low frequency) */
 #define OPCODE_FAST_READ        0x0b    /* Read data bytes (high frequency) */
 #define OPCODE_PP               0x02    /* Page program (up to 256 bytes) */
 #define OPCODE_BE_4K            0x20    /* Erase 4KiB block */
@@ -52,7 +52,15 @@
 
 /* Define max times to check status register before we give up. */
 #define MAX_READY_WAIT_COUNT    100000
+#define CMD_SIZE                4
 
+#ifdef CONFIG_M25PXX_USE_FAST_READ
+#define OPCODE_READ     OPCODE_FAST_READ
+#define FAST_READ_DUMMY_BYTE 1
+#else
+#define OPCODE_READ     OPCODE_NORM_READ
+#define FAST_READ_DUMMY_BYTE 0
+#endif
 
 #ifdef CONFIG_MTD_PARTITIONS
 #define mtd_has_partitions()    (1)
@@ -68,7 +76,7 @@ struct m25p {
         struct mtd_info         mtd;
         unsigned                partitioned:1;
         u8                      erase_opcode;
-        u8                      command[4];
+        u8                      command[CMD_SIZE + FAST_READ_DUMMY_BYTE];
 };
 
 static inline struct m25p *mtd_to_m25p(struct mtd_info *mtd)
@@ -151,7 +159,7 @@ static int wait_till_ready(struct m25p *flash)
 static int erase_sector(struct m25p *flash, u32 offset)
 {
         DEBUG(MTD_DEBUG_LEVEL3, "%s: %s %dKiB at 0x%08x\n",
-                        flash->spi->dev.bus_id, __FUNCTION__,
+                        flash->spi->dev.bus_id, __func__,
                         flash->mtd.erasesize / 1024, offset);
 
         /* Wait until finished previous write command. */
@@ -167,7 +175,7 @@ static int erase_sector(struct m25p *flash, u32 offset)
         flash->command[2] = offset >> 8;
         flash->command[3] = offset;
 
-        spi_write(flash->spi, flash->command, sizeof(flash->command));
+        spi_write(flash->spi, flash->command, CMD_SIZE);
 
         return 0;
 }
@@ -188,7 +196,7 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr)
         u32 addr,len;
 
         DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %d\n",
-                        flash->spi->dev.bus_id, __FUNCTION__, "at",
+                        flash->spi->dev.bus_id, __func__, "at",
                         (u32)instr->addr, instr->len);
 
         /* sanity checks */
@@ -240,7 +248,7 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len,
         struct spi_message m;
 
         DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %zd\n",
-                        flash->spi->dev.bus_id, __FUNCTION__, "from",
+                        flash->spi->dev.bus_id, __func__, "from",
                         (u32)from, len);
 
         /* sanity checks */
@@ -253,8 +261,12 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len,
         spi_message_init(&m);
         memset(t, 0, (sizeof t));
 
+        /* NOTE:
+         * OPCODE_FAST_READ (if available) is faster.
+         * Should add 1 byte DUMMY_BYTE.
+         */
         t[0].tx_buf = flash->command;
-        t[0].len = sizeof(flash->command);
+        t[0].len = CMD_SIZE + FAST_READ_DUMMY_BYTE;
         spi_message_add_tail(&t[0], &m);
 
         t[1].rx_buf = buf;
@@ -287,7 +299,7 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len,
 
         spi_sync(flash->spi, &m);
 
-        *retlen = m.actual_length - sizeof(flash->command);
+        *retlen = m.actual_length - CMD_SIZE - FAST_READ_DUMMY_BYTE;
 
         mutex_unlock(&flash->lock);
 
@@ -308,7 +320,7 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len,
         struct spi_message m;
 
         DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %zd\n",
-                        flash->spi->dev.bus_id, __FUNCTION__, "to",
+                        flash->spi->dev.bus_id, __func__, "to",
                         (u32)to, len);
 
         if (retlen)
@@ -325,7 +337,7 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len,
         memset(t, 0, (sizeof t));
 
         t[0].tx_buf = flash->command;
-        t[0].len = sizeof(flash->command);
+        t[0].len = CMD_SIZE;
         spi_message_add_tail(&t[0], &m);
 
         t[1].tx_buf = buf;
@@ -354,7 +366,7 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len,
 
                 spi_sync(flash->spi, &m);
 
-                *retlen = m.actual_length - sizeof(flash->command);
+                *retlen = m.actual_length - CMD_SIZE;
         } else {
                 u32 i;
 
@@ -364,7 +376,7 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len,
                 t[1].len = page_size;
                 spi_sync(flash->spi, &m);
 
-                *retlen = m.actual_length - sizeof(flash->command);
+                *retlen = m.actual_length - CMD_SIZE;
 
                 /* write everything in PAGESIZE chunks */
                 for (i = page_size; i < len; i += page_size) {
@@ -387,8 +399,7 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len,
                         spi_sync(flash->spi, &m);
 
                         if (retlen)
-                                *retlen += m.actual_length
-                                        - sizeof(flash->command);
+                                *retlen += m.actual_length - CMD_SIZE;
                 }
         }
 
@@ -435,6 +446,7 @@ static struct flash_info __devinitdata m25p_data [] = {
         { "at25fs040",  0x1f6604, 64 * 1024, 8, SECT_4K, },
 
         { "at25df041a", 0x1f4401, 64 * 1024, 8, SECT_4K, },
+        { "at25df641",  0x1f4800, 64 * 1024, 128, SECT_4K, },
 
         { "at26f004",   0x1f0400, 64 * 1024, 8, SECT_4K, },
         { "at26df081a", 0x1f4501, 64 * 1024, 16, SECT_4K, },
diff --git a/drivers/mtd/devices/mtdram.c b/drivers/mtd/devices/mtdram.c
index e427c82d5f4c..bf485ff49457 100644
--- a/drivers/mtd/devices/mtdram.c
+++ b/drivers/mtd/devices/mtdram.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/mtd/compatmac.h>
 #include <linux/mtd/mtd.h>
+#include <linux/mtd/mtdram.h>
 
 static unsigned long total_size = CONFIG_MTDRAM_TOTAL_SIZE;
 static unsigned long erase_size = CONFIG_MTDRAM_ERASE_SIZE;
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 180298b92a7a..5f960182da95 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -282,7 +282,7 @@ static int phram_setup(const char *val, struct kernel_param *kp)
 }
 
 module_param_call(phram, phram_setup, NULL, NULL, 000);
-MODULE_PARM_DESC(phram,"Memory region to map. \"map=<name>,<start>,<length>\"");
+MODULE_PARM_DESC(phram, "Memory region to map. \"phram=<name>,<start>,<length>\"");
 
 
 static int __init init_phram(void)