mtd: bcm47xxsflash: store info about flash type

It's going to be needed for erase and write operations, they differ
between Atmel and ST flashes.

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, 16 insertions, 0 deletions

diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c
index b0705741fd93..18e7761137a3 100644
--- a/drivers/mtd/devices/bcm47xxsflash.c
+++ b/drivers/mtd/devices/bcm47xxsflash.c
@@ -63,6 +63,15 @@ static int bcm47xxsflash_bcma_probe(struct platform_device *pdev)
 
         b47s->bcma_cc = container_of(sflash, struct bcma_drv_cc, sflash);
 
+        switch (b47s->bcma_cc->capabilities & BCMA_CC_CAP_FLASHT) {
+        case BCMA_CC_FLASHT_STSER:
+                b47s->type = BCM47XXSFLASH_TYPE_ST;
+                break;
+        case BCMA_CC_FLASHT_ATSER:
+                b47s->type = BCM47XXSFLASH_TYPE_ATMEL;
+                break;
+        }
+
         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 e37285e6fad9..44985294ed8f 100644
--- a/drivers/mtd/devices/bcm47xxsflash.h
+++ b/drivers/mtd/devices/bcm47xxsflash.h
@@ -5,9 +5,16 @@
 
 struct bcma_drv_cc;
 
+enum bcm47xxsflash_type {
+        BCM47XXSFLASH_TYPE_ATMEL,
+        BCM47XXSFLASH_TYPE_ST,
+};
+
 struct bcm47xxsflash {
         struct bcma_drv_cc *bcma_cc;
 
+        enum bcm47xxsflash_type type;
+
         u32 window;
         u32 blocksize;
         u16 numblocks;