libertas: Davinci platforms need more time loading helper firmware

Davinci platforms apparently need more time in-between helper firmware
blocks.  Even though this is an increased delay, we only take this hit
once at initialization time.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 60dc9b64381d..68cc407054e3 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -499,6 +499,11 @@ static int if_sdio_prog_helper(struct if_sdio_card *card)
                 if (ret)
                         goto release;
 
+                /* On some platforms (like Davinci) the chip needs more time
+                 * between helper blocks.
+                 */
+                mdelay(2);
+
                 chunk_size = min(size, (size_t)60);
 
                 *((__le32*)chunk_buffer) = cpu_to_le32(chunk_size);