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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-22 01:12:47 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-22 01:12:47 -0300 |
| commit | 6d461a4fe7896faa1aec5a5417888cf179e46b9f (patch) | |
| tree | 2e0f1a0b7a5418189c8d53592d33a44d0b356fc9 /drivers/net/wireless/ti/wlcore/spi.c | |
| parent | 5c545e1fb127a4b11ddc5f1a5ed066b853dd1a1a (diff) | |
Linux-libre 4.4.2-gnupck-4.4.2-gnu
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/spi.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/spi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index 236b41090..44f059f7f 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -73,7 +73,10 @@ */ #define SPI_AGGR_BUFFER_SIZE (4 * PAGE_SIZE) -#define WSPI_MAX_NUM_OF_CHUNKS (SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) +/* Maximum number of SPI write chunks */ +#define WSPI_MAX_NUM_OF_CHUNKS \ + ((SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) + 1) + struct wl12xx_spi_glue { struct device *dev; @@ -268,9 +271,10 @@ static int __must_check wl12xx_spi_raw_write(struct device *child, int addr, void *buf, size_t len, bool fixed) { struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent); - struct spi_transfer t[2 * (WSPI_MAX_NUM_OF_CHUNKS + 1)]; + /* SPI write buffers - 2 for each chunk */ + struct spi_transfer t[2 * WSPI_MAX_NUM_OF_CHUNKS]; struct spi_message m; - u32 commands[WSPI_MAX_NUM_OF_CHUNKS]; + u32 commands[WSPI_MAX_NUM_OF_CHUNKS]; /* 1 command per chunk */ u32 *cmd; u32 chunk_len; int i; |