bcm53xx: backport spi-nor patches from 3.18-rc1
authorRafał Miłecki <zajec5@gmail.com>
Wed, 22 Oct 2014 14:16:18 +0000 (14:16 +0000)
committerRafał Miłecki <zajec5@gmail.com>
Wed, 22 Oct 2014 14:16:18 +0000 (14:16 +0000)
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 43030

target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch [new file with mode: 0644]
target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-queued-for-3.18.patch [deleted file]
target/linux/bcm53xx/patches-3.14/400-mtd-move-support-for-struct-flash_platform_data-into.patch [deleted file]
target/linux/bcm53xx/patches-3.14/401-mtd-spi-nor-add-Kconfig-option-to-disable-4K-sectors.patch [deleted file]
target/linux/bcm53xx/patches-3.14/404-mtd-bcm53xxspiflash-new-driver-for-SPI-flahes-on-Bro.patch

diff --git a/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch b/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch
new file mode 100644 (file)
index 0000000..1d83703
--- /dev/null
@@ -0,0 +1,106 @@
+--- a/drivers/mtd/spi-nor/spi-nor.c
++++ b/drivers/mtd/spi-nor/spi-nor.c
+@@ -611,6 +611,7 @@ const struct spi_device_id spi_nor_ids[]
+       { "m25px32-s0", INFO(0x207316,  0, 64 * 1024, 64, SECT_4K) },
+       { "m25px32-s1", INFO(0x206316,  0, 64 * 1024, 64, SECT_4K) },
+       { "m25px64",    INFO(0x207117,  0, 64 * 1024, 128, 0) },
++      { "m25px80",    INFO(0x207114,  0, 64 * 1024, 16, 0) },
+       /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
+       { "w25x10", INFO(0xef3011, 0, 64 * 1024,  2,  SECT_4K) },
+@@ -623,7 +624,6 @@ const struct spi_device_id spi_nor_ids[]
+       { "w25q32dw", INFO(0xef6016, 0, 64 * 1024,  64, SECT_4K) },
+       { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
+       { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
+-      { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
+       { "w25q80", INFO(0xef5014, 0, 64 * 1024,  16, SECT_4K) },
+       { "w25q80bl", INFO(0xef4014, 0, 64 * 1024,  16, SECT_4K) },
+       { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
+@@ -671,11 +671,6 @@ static const struct spi_device_id *spi_n
+       return ERR_PTR(-ENODEV);
+ }
+-static const struct spi_device_id *jedec_probe(struct spi_nor *nor)
+-{
+-      return nor->read_id(nor);
+-}
+-
+ static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,
+                       size_t *retlen, u_char *buf)
+ {
+@@ -920,7 +915,6 @@ int spi_nor_scan(struct spi_nor *nor, co
+                       enum read_mode mode)
+ {
+       struct flash_info               *info;
+-      struct flash_platform_data      *data;
+       struct device *dev = nor->dev;
+       struct mtd_info *mtd = nor->mtd;
+       struct device_node *np = dev->of_node;
+@@ -931,34 +925,12 @@ int spi_nor_scan(struct spi_nor *nor, co
+       if (ret)
+               return ret;
+-      /* Platform data helps sort out which chip type we have, as
+-       * well as how this board partitions it.  If we don't have
+-       * a chip ID, try the JEDEC id commands; they'll work for most
+-       * newer chips, even if we don't recognize the particular chip.
+-       */
+-      data = dev_get_platdata(dev);
+-      if (data && data->type) {
+-              const struct spi_device_id *plat_id;
+-
+-              for (i = 0; i < ARRAY_SIZE(spi_nor_ids) - 1; i++) {
+-                      plat_id = &spi_nor_ids[i];
+-                      if (strcmp(data->type, plat_id->name))
+-                              continue;
+-                      break;
+-              }
+-
+-              if (i < ARRAY_SIZE(spi_nor_ids) - 1)
+-                      id = plat_id;
+-              else
+-                      dev_warn(dev, "unrecognized id %s\n", data->type);
+-      }
+-
+       info = (void *)id->driver_data;
+       if (info->jedec_id) {
+               const struct spi_device_id *jid;
+-              jid = jedec_probe(nor);
++              jid = nor->read_id(nor);
+               if (IS_ERR(jid)) {
+                       return PTR_ERR(jid);
+               } else if (jid != id) {
+@@ -990,11 +962,8 @@ int spi_nor_scan(struct spi_nor *nor, co
+               write_sr(nor, 0);
+       }
+-      if (data && data->name)
+-              mtd->name = data->name;
+-      else
++      if (!mtd->name)
+               mtd->name = dev_name(dev);
+-
+       mtd->type = MTD_NORFLASH;
+       mtd->writesize = 1;
+       mtd->flags = MTD_CAP_NORFLASH;
+@@ -1018,6 +987,7 @@ int spi_nor_scan(struct spi_nor *nor, co
+           nor->wait_till_ready == spi_nor_wait_till_ready)
+               nor->wait_till_ready = spi_nor_wait_till_fsr_ready;
++#ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
+       /* prefer "small sector" erase if possible */
+       if (info->flags & SECT_4K) {
+               nor->erase_opcode = SPINOR_OP_BE_4K;
+@@ -1025,7 +995,9 @@ int spi_nor_scan(struct spi_nor *nor, co
+       } else if (info->flags & SECT_4K_PMC) {
+               nor->erase_opcode = SPINOR_OP_BE_4K_PMC;
+               mtd->erasesize = 4096;
+-      } else {
++      } else
++#endif
++      {
+               nor->erase_opcode = SPINOR_OP_SE;
+               mtd->erasesize = info->sector_size;
+       }
diff --git a/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-queued-for-3.18.patch b/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-queued-for-3.18.patch
deleted file mode 100644 (file)
index 7505a17..0000000
+++ /dev/null
@@ -1,39 +0,0 @@
---- a/drivers/mtd/spi-nor/spi-nor.c
-+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -611,6 +611,7 @@ const struct spi_device_id spi_nor_ids[]
-       { "m25px32-s0", INFO(0x207316,  0, 64 * 1024, 64, SECT_4K) },
-       { "m25px32-s1", INFO(0x206316,  0, 64 * 1024, 64, SECT_4K) },
-       { "m25px64",    INFO(0x207117,  0, 64 * 1024, 128, 0) },
-+      { "m25px80",    INFO(0x207114,  0, 64 * 1024, 16, 0) },
-       /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
-       { "w25x10", INFO(0xef3011, 0, 64 * 1024,  2,  SECT_4K) },
-@@ -623,7 +624,6 @@ const struct spi_device_id spi_nor_ids[]
-       { "w25q32dw", INFO(0xef6016, 0, 64 * 1024,  64, SECT_4K) },
-       { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
-       { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
--      { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
-       { "w25q80", INFO(0xef5014, 0, 64 * 1024,  16, SECT_4K) },
-       { "w25q80bl", INFO(0xef4014, 0, 64 * 1024,  16, SECT_4K) },
-       { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
-@@ -671,11 +671,6 @@ static const struct spi_device_id *spi_n
-       return ERR_PTR(-ENODEV);
- }
--static const struct spi_device_id *jedec_probe(struct spi_nor *nor)
--{
--      return nor->read_id(nor);
--}
--
- static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,
-                       size_t *retlen, u_char *buf)
- {
-@@ -958,7 +953,7 @@ int spi_nor_scan(struct spi_nor *nor, co
-       if (info->jedec_id) {
-               const struct spi_device_id *jid;
--              jid = jedec_probe(nor);
-+              jid = nor->read_id(nor);
-               if (IS_ERR(jid)) {
-                       return PTR_ERR(jid);
-               } else if (jid != id) {
diff --git a/target/linux/bcm53xx/patches-3.14/400-mtd-move-support-for-struct-flash_platform_data-into.patch b/target/linux/bcm53xx/patches-3.14/400-mtd-move-support-for-struct-flash_platform_data-into.patch
deleted file mode 100644 (file)
index 8076f55..0000000
+++ /dev/null
@@ -1,52 +0,0 @@
---- a/drivers/mtd/spi-nor/spi-nor.c
-+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -915,7 +915,6 @@ int spi_nor_scan(struct spi_nor *nor, co
-                       enum read_mode mode)
- {
-       struct flash_info               *info;
--      struct flash_platform_data      *data;
-       struct device *dev = nor->dev;
-       struct mtd_info *mtd = nor->mtd;
-       struct device_node *np = dev->of_node;
-@@ -926,28 +925,6 @@ int spi_nor_scan(struct spi_nor *nor, co
-       if (ret)
-               return ret;
--      /* Platform data helps sort out which chip type we have, as
--       * well as how this board partitions it.  If we don't have
--       * a chip ID, try the JEDEC id commands; they'll work for most
--       * newer chips, even if we don't recognize the particular chip.
--       */
--      data = dev_get_platdata(dev);
--      if (data && data->type) {
--              const struct spi_device_id *plat_id;
--
--              for (i = 0; i < ARRAY_SIZE(spi_nor_ids) - 1; i++) {
--                      plat_id = &spi_nor_ids[i];
--                      if (strcmp(data->type, plat_id->name))
--                              continue;
--                      break;
--              }
--
--              if (i < ARRAY_SIZE(spi_nor_ids) - 1)
--                      id = plat_id;
--              else
--                      dev_warn(dev, "unrecognized id %s\n", data->type);
--      }
--
-       info = (void *)id->driver_data;
-       if (info->jedec_id) {
-@@ -985,11 +962,8 @@ int spi_nor_scan(struct spi_nor *nor, co
-               write_sr(nor, 0);
-       }
--      if (data && data->name)
--              mtd->name = data->name;
--      else
-+      if (!mtd->name)
-               mtd->name = dev_name(dev);
--
-       mtd->type = MTD_NORFLASH;
-       mtd->writesize = 1;
-       mtd->flags = MTD_CAP_NORFLASH;
diff --git a/target/linux/bcm53xx/patches-3.14/401-mtd-spi-nor-add-Kconfig-option-to-disable-4K-sectors.patch b/target/linux/bcm53xx/patches-3.14/401-mtd-spi-nor-add-Kconfig-option-to-disable-4K-sectors.patch
deleted file mode 100644 (file)
index 395b0af..0000000
+++ /dev/null
@@ -1,44 +0,0 @@
---- a/drivers/mtd/spi-nor/Kconfig
-+++ b/drivers/mtd/spi-nor/Kconfig
-@@ -7,6 +7,20 @@ menuconfig MTD_SPI_NOR
- if MTD_SPI_NOR
-+config MTD_SPI_NOR_USE_4K_SECTORS
-+      bool "Use small 4096 B erase sectors"
-+      default y
-+      help
-+        Many flash memories support erasing small (4096 B) sectors. Depending
-+        on the usage this feature may provide performance gain in comparison
-+        to erasing whole blocks (32/64 KiB).
-+        Changing small part of flash content is usually faster with small
-+        sectors. On the other hand erasing should be faster when using 64 KiB
-+        block instead of 16 × 4 KiB sectors.
-+
-+        Please note that some tools/drivers/filesystems may not work with
-+        4096 B erase size (e.g. UBIFS requires 15 KiB as a minimum).
-+
- config SPI_FSL_QUADSPI
-       tristate "Freescale Quad SPI controller"
-       depends on ARCH_MXC
---- a/drivers/mtd/spi-nor/spi-nor.c
-+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -987,6 +987,7 @@ int spi_nor_scan(struct spi_nor *nor, co
-           nor->wait_till_ready == spi_nor_wait_till_ready)
-               nor->wait_till_ready = spi_nor_wait_till_fsr_ready;
-+#ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
-       /* prefer "small sector" erase if possible */
-       if (info->flags & SECT_4K) {
-               nor->erase_opcode = SPINOR_OP_BE_4K;
-@@ -994,7 +995,9 @@ int spi_nor_scan(struct spi_nor *nor, co
-       } else if (info->flags & SECT_4K_PMC) {
-               nor->erase_opcode = SPINOR_OP_BE_4K_PMC;
-               mtd->erasesize = 4096;
--      } else {
-+      } else
-+#endif
-+      {
-               nor->erase_opcode = SPINOR_OP_SE;
-               mtd->erasesize = info->sector_size;
-       }
index 9a9d903f825ac41349e3c13dccf889a67d473e43..be99fd60ba1ba6b4480069dd87f78495f1aa94ff 100644 (file)
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/spi-nor/Kconfig
 +++ b/drivers/mtd/spi-nor/Kconfig
-@@ -28,4 +28,10 @@ config SPI_FSL_QUADSPI
+@@ -14,4 +14,10 @@ config SPI_FSL_QUADSPI
          This enables support for the Quad SPI controller in master mode.
          We only connect the NOR to this controller now.