[PATCH wireless?] bcma: keep info about parallel flash presentence

["Rafał Miłecki" <zajec5@gmail.com>]

This allows drivers to access flash conditionally and stop crashing some
devices.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
---
John: I suggest taking it for wirelesss, AKA fix
---
 drivers/bcma/driver_mips.c                  |    2 +-
 include/linux/bcma/bcma_driver_chipcommon.h |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
index cc65b45..55acba9 100644
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -192,12 +192,12 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
 		bcma_debug(bus, "Found parallel flash\n");
 		bus->drv_cc.pflash.window = 0x1c000000;
 		bus->drv_cc.pflash.window_size = 0x02000000;
-
 		if ((bcma_read32(bus->drv_cc.core, BCMA_CC_FLASH_CFG) &
 		     BCMA_CC_FLASH_CFG_DS) == 0)
 			bus->drv_cc.pflash.buswidth = 1;
 		else
 			bus->drv_cc.pflash.buswidth = 2;
+		bus->drv_cc.pflash.present = true;
 		break;
 	default:
 		bcma_err(bus, "Flash type not supported\n");
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h
index 3fb8bba..16c266c 100644
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -510,6 +510,7 @@ struct bcma_chipcommon_pmu {
 
 #ifdef CONFIG_BCMA_DRIVER_MIPS
 struct bcma_pflash {
+	bool present;
 	u8 buswidth;
 	u32 window;
 	u32 window_size;
-- 
1.7.7