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authorPatrick McHardy <kaber@trash.net>2010-04-20 18:02:01 +0400
committerPatrick McHardy <kaber@trash.net>2010-04-20 18:02:01 +0400
commit62910554656cdcd6b6f84a5154c4155aae4ca231 (patch)
treedcf14004f6fd2ef7154362ff948bfeba0f3ea92d /drivers/net/wireless/libertas/if_sdio.c
parent22265a5c3c103cf8c50be62e6c90d045eb649e6d (diff)
parentab9304717f7624c41927f442e6b6d418b2d8b3e4 (diff)
downloadlinux-62910554656cdcd6b6f84a5154c4155aae4ca231.tar.xz
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts: Documentation/feature-removal-schedule.txt net/ipv6/netfilter/ip6t_REJECT.c net/netfilter/xt_limit.c Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'drivers/net/wireless/libertas/if_sdio.c')
-rw-r--r--drivers/net/wireless/libertas/if_sdio.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 7a73f625273b..cd464a2589b9 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -28,12 +28,15 @@
#include <linux/kernel.h>
#include <linux/moduleparam.h>
+#include <linux/slab.h>
#include <linux/firmware.h>
#include <linux/netdevice.h>
#include <linux/delay.h>
#include <linux/mmc/card.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/host.h>
#include "host.h"
#include "decl.h"
@@ -942,6 +945,7 @@ static int if_sdio_probe(struct sdio_func *func,
int ret, i;
unsigned int model;
struct if_sdio_packet *packet;
+ struct mmc_host *host = func->card->host;
lbs_deb_enter(LBS_DEB_SDIO);
@@ -1022,6 +1026,25 @@ static int if_sdio_probe(struct sdio_func *func,
if (ret)
goto disable;
+ /* For 1-bit transfers to the 8686 model, we need to enable the
+ * interrupt flag in the CCCR register. Set the MMC_QUIRK_LENIENT_FN0
+ * bit to allow access to non-vendor registers. */
+ if ((card->model == IF_SDIO_MODEL_8686) &&
+ (host->caps & MMC_CAP_SDIO_IRQ) &&
+ (host->ios.bus_width == MMC_BUS_WIDTH_1)) {
+ u8 reg;
+
+ func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
+ reg = sdio_f0_readb(func, SDIO_CCCR_IF, &ret);
+ if (ret)
+ goto release_int;
+
+ reg |= SDIO_BUS_ECSI;
+ sdio_f0_writeb(func, reg, SDIO_CCCR_IF, &ret);
+ if (ret)
+ goto release_int;
+ }
+
card->ioport = sdio_readb(func, IF_SDIO_IOPORT, &ret);
if (ret)
goto release_int;