1 files changed, 29 insertions, 14 deletions

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 81e49a9b017e..f90941a785e4 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -16,6 +16,8 @@
  */
 
 #include <linux/init.h>
+#include <linux/err.h>
+#include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
@@ -639,8 +641,18 @@ static const struct spi_device_id m25p_ids[] = {
         { "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) },
         { "at26df321",  INFO(0x1f4701, 0, 64 * 1024, 64, SECT_4K) },
 
+        /* EON -- en25pxx */
+        { "en25p32", INFO(0x1c2016, 0, 64 * 1024,  64, 0) },
+        { "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
+
+        /* Intel/Numonyx -- xxxs33b */
+        { "160s33b",  INFO(0x898911, 0, 64 * 1024,  32, 0) },
+        { "320s33b",  INFO(0x898912, 0, 64 * 1024,  64, 0) },
+        { "640s33b",  INFO(0x898913, 0, 64 * 1024, 128, 0) },
+
         /* Macronix */
         { "mx25l4005a",  INFO(0xc22013, 0, 64 * 1024,   8, SECT_4K) },
+        { "mx25l8005",   INFO(0xc22014, 0, 64 * 1024,  16, 0) },
         { "mx25l3205d",  INFO(0xc22016, 0, 64 * 1024,  64, 0) },
         { "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128, 0) },
         { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
@@ -680,6 +692,16 @@ static const struct spi_device_id m25p_ids[] = {
         { "m25p64",  INFO(0x202017,  0,  64 * 1024, 128, 0) },
         { "m25p128", INFO(0x202018,  0, 256 * 1024,  64, 0) },
 
+        { "m25p05-nonjedec",  INFO(0, 0,  32 * 1024,   2, 0) },
+        { "m25p10-nonjedec",  INFO(0, 0,  32 * 1024,   4, 0) },
+        { "m25p20-nonjedec",  INFO(0, 0,  64 * 1024,   4, 0) },
+        { "m25p40-nonjedec",  INFO(0, 0,  64 * 1024,   8, 0) },
+        { "m25p80-nonjedec",  INFO(0, 0,  64 * 1024,  16, 0) },
+        { "m25p16-nonjedec",  INFO(0, 0,  64 * 1024,  32, 0) },
+        { "m25p32-nonjedec",  INFO(0, 0,  64 * 1024,  64, 0) },
+        { "m25p64-nonjedec",  INFO(0, 0,  64 * 1024, 128, 0) },
+        { "m25p128-nonjedec", INFO(0, 0, 256 * 1024,  64, 0) },
+
         { "m45pe10", INFO(0x204011,  0, 64 * 1024,    2, 0) },
         { "m45pe80", INFO(0x204014,  0, 64 * 1024,   16, 0) },
         { "m45pe16", INFO(0x204015,  0, 64 * 1024,   32, 0) },
@@ -694,6 +716,7 @@ static const struct spi_device_id m25p_ids[] = {
         { "w25x80", INFO(0xef3014, 0, 64 * 1024,  16, SECT_4K) },
         { "w25x16", INFO(0xef3015, 0, 64 * 1024,  32, SECT_4K) },
         { "w25x32", INFO(0xef3016, 0, 64 * 1024,  64, SECT_4K) },
+        { "w25q32", INFO(0xef4016, 0, 64 * 1024,  64, SECT_4K) },
         { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
 
         /* Catalyst / On Semiconductor -- non-JEDEC */
@@ -723,7 +746,7 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi)
         if (tmp < 0) {
                 DEBUG(MTD_DEBUG_LEVEL0, "%s: error %d reading JEDEC ID\n",
                         dev_name(&spi->dev), tmp);
-                return NULL;
+                return ERR_PTR(tmp);
         }
         jedec = id[0];
         jedec = jedec << 8;
@@ -731,14 +754,6 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi)
         jedec = jedec << 8;
         jedec |= id[2];
 
-        /*
-         * Some chips (like Numonyx M25P80) have JEDEC and non-JEDEC variants,
-         * which depend on technology process. Officially RDID command doesn't
-         * exist for non-JEDEC chips, but for compatibility they return ID 0.
-         */
-        if (jedec == 0)
-                return NULL;
-
         ext_jedec = id[3] << 8 | id[4];
 
         for (tmp = 0; tmp < ARRAY_SIZE(m25p_ids) - 1; tmp++) {
@@ -749,7 +764,7 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi)
                         return &m25p_ids[tmp];
                 }
         }
-        return NULL;
+        return ERR_PTR(-ENODEV);
 }
 
 
@@ -794,9 +809,8 @@ static int __devinit m25p_probe(struct spi_device *spi)
                 const struct spi_device_id *jid;
 
                 jid = jedec_probe(spi);
-                if (!jid) {
-                        dev_info(&spi->dev, "non-JEDEC variant of %s\n",
-                                 id->name);
+                if (IS_ERR(jid)) {
+                        return PTR_ERR(jid);
                 } else if (jid != id) {
                         /*
                          * JEDEC knows better, so overwrite platform ID. We
@@ -826,11 +840,12 @@ static int __devinit m25p_probe(struct spi_device *spi)
         dev_set_drvdata(&spi->dev, flash);
 
         /*
-         * Atmel and SST serial flash tend to power
+         * Atmel, SST and Intel/Numonyx serial flash tend to power
          * up with the software protection bits set
          */
 
         if (info->jedec_id >> 16 == 0x1f ||
+            info->jedec_id >> 16 == 0x89 ||
             info->jedec_id >> 16 == 0xbf) {
                 write_enable(flash);
                 write_sr(flash, 0);