wl12xx: 1281/1283 support - add block size handling for sdio and spi

Add the the set_block_size op in the SDIO and in the SPI modules.
Since it is only used with SDIO, just explicitly set the op to NULL in
spi.c

Signed-off-by: Luciano Coelho <coelho@ti.com>

2 files changed, 19 insertions, 2 deletions

diff --git a/drivers/net/wireless/wl12xx/sdio.c b/drivers/net/wireless/wl12xx/sdio.c
index 1b6a1adb81a..7491b3d8487 100644
--- a/drivers/net/wireless/wl12xx/sdio.c
+++ b/drivers/net/wireless/wl12xx/sdio.c
@@ -51,6 +51,18 @@ static const struct sdio_device_id wl1271_devices[] = {
 };
 MODULE_DEVICE_TABLE(sdio, wl1271_devices);
 
+/* The max SDIO block size is 256 when working with tx padding to SDIO block */
+#define TX_PAD_SDIO_BLK_SIZE                  256
+
+static void wl1271_sdio_set_block_size(struct wl1271 *wl)
+{
+        wl->block_size = TX_PAD_SDIO_BLK_SIZE;
+
+        sdio_claim_host(wl->if_priv);
+        sdio_set_block_size(wl->if_priv, TX_PAD_SDIO_BLK_SIZE);
+        sdio_release_host(wl->if_priv);
+}
+
 static inline struct sdio_func *wl_to_func(struct wl1271 *wl)
 {
         return wl->if_priv;
@@ -166,6 +178,9 @@ static int wl1271_sdio_power_on(struct wl1271 *wl)
         sdio_claim_host(func);
         sdio_enable_func(func);
 
+        /* Set the default block size in case it was modified */
+        sdio_set_block_size(func, 0);
+
 out:
         return ret;
 }
@@ -203,7 +218,8 @@ static struct wl1271_if_operations sdio_ops = {
         .power          = wl1271_sdio_set_power,
         .dev            = wl1271_sdio_wl_to_dev,
         .enable_irq     = wl1271_sdio_enable_interrupts,
-        .disable_irq    = wl1271_sdio_disable_interrupts
+        .disable_irq    = wl1271_sdio_disable_interrupts,
+        .set_block_size = wl1271_sdio_set_block_size,
 };
 
 static int __devinit wl1271_probe(struct sdio_func *func,
diff --git a/drivers/net/wireless/wl12xx/spi.c b/drivers/net/wireless/wl12xx/spi.c
index 80295f55f23..bfb1171176c 100644
--- a/drivers/net/wireless/wl12xx/spi.c
+++ b/drivers/net/wireless/wl12xx/spi.c
@@ -355,7 +355,8 @@ static struct wl1271_if_operations spi_ops = {
         .power          = wl1271_spi_set_power,
         .dev            = wl1271_spi_wl_to_dev,
         .enable_irq     = wl1271_spi_enable_interrupts,
-        .disable_irq    = wl1271_spi_disable_interrupts
+        .disable_irq    = wl1271_spi_disable_interrupts,
+        .set_block_size = NULL,
 };
 
 static int __devinit wl1271_probe(struct spi_device *spi)