mtd: bcm47xxsflash: keep a reference to the BCMA

To implement erase and write support we need to "talk" with ChipCommon
BCMA core which serial flash it attached to.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c
index f86a78732dd8..b0705741fd93 100644
--- a/drivers/mtd/devices/bcm47xxsflash.c
+++ b/drivers/mtd/devices/bcm47xxsflash.c
@@ -61,6 +61,8 @@ static int bcm47xxsflash_bcma_probe(struct platform_device *pdev)
         }
         sflash->priv = b47s;
 
+        b47s->bcma_cc = container_of(sflash, struct bcma_drv_cc, sflash);
+
         b47s->window = sflash->window;
         b47s->blocksize = sflash->blocksize;
         b47s->numblocks = sflash->numblocks;
diff --git a/drivers/mtd/devices/bcm47xxsflash.h b/drivers/mtd/devices/bcm47xxsflash.h
index ebf6f710e23c..e37285e6fad9 100644
--- a/drivers/mtd/devices/bcm47xxsflash.h
+++ b/drivers/mtd/devices/bcm47xxsflash.h
@@ -3,7 +3,11 @@
 
 #include <linux/mtd/mtd.h>
 
+struct bcma_drv_cc;
+
 struct bcm47xxsflash {
+        struct bcma_drv_cc *bcma_cc;
+
         u32 window;
         u32 blocksize;
         u16 numblocks;