diff options
| author | Arik Nemtsov <arik@wizery.com> | 2012-08-06 08:21:39 (GMT) |
|---|---|---|
| committer | Luciano Coelho <luca@coelho.fi> | 2012-09-27 09:13:52 (GMT) |
| commit | 61932ba59f5278e3f0c9fbded1a1af39ef89333f (patch) | |
| tree | 4e3c0d0b1f2ce9db562d18041f5efc933ea0df43 /drivers/net/wireless/ti/wlcore/spi.c | |
| parent | e166de556f7795a3061e49deca28d61b3764d512 (diff) | |
| download | linux-fsl-qoriq-61932ba59f5278e3f0c9fbded1a1af39ef89333f.tar.xz | |
wlcore: spi: use private max-buf-size limit
Limit SPI transmissions to the wl12xx max buffer size, as only 12xx was
tested with SPI.
This allows us to remove the global aggregation buffer constant.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/spi.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/spi.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index 8da4ed2..a519bc3 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -66,7 +66,13 @@ /* HW limitation: maximum possible chunk size is 4095 bytes */ #define WSPI_MAX_CHUNK_SIZE 4092 -#define WSPI_MAX_NUM_OF_CHUNKS (WL1271_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) +/* + * only support SPI for 12xx - this code should be reworked when 18xx + * support is introduced + */ +#define SPI_AGGR_BUFFER_SIZE (4 * PAGE_SIZE) + +#define WSPI_MAX_NUM_OF_CHUNKS (SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) struct wl12xx_spi_glue { struct device *dev; @@ -271,7 +277,7 @@ static int __must_check wl12xx_spi_raw_write(struct device *child, int addr, u32 chunk_len; int i; - WARN_ON(len > WL1271_AGGR_BUFFER_SIZE); + WARN_ON(len > SPI_AGGR_BUFFER_SIZE); spi_message_init(&m); memset(t, 0, sizeof(t)); |