mtd: bcm47xxpart: alloc memory for more partitions

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=59af5c7acde3d5cbbf8fadbc81a352a892cbc34c
Commit:     59af5c7acde3d5cbbf8fadbc81a352a892cbc34c
Parent:     7f4028b29658a3ad63e83352af6ce2dae4fe7cdf
Author:     Rafał Miłecki <zajec5 at gmail.com>
AuthorDate: Thu Oct 2 11:48:46 2014 +0200
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Wed Oct 22 01:35:41 2014 -0700

    mtd: bcm47xxpart: alloc memory for more partitions
    
    This is needed for some new Netgear devices (e.g. R6250).
    
    Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/bcm47xxpart.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index 8057f52..f2db4d7 100644
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -15,8 +15,12 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 
-/* 10 parts were found on sflash on Netgear WNDR4500 */
-#define BCM47XXPART_MAX_PARTS		12
+/*
+ * NAND flash on Netgear R6250 was verified to contain 15 partitions.
+ * This will result in allocating too big array for some old devices, but the
+ * memory will be freed soon anyway (see mtd_device_parse_register).
+ */
+#define BCM47XXPART_MAX_PARTS		20
 
 /*
  * Amount of bytes we read when analyzing each block of flash memory.