diff options
Diffstat (limited to 'drivers/spi/spi-tegra20-sflash.c')
| -rw-r--r-- | drivers/spi/spi-tegra20-sflash.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c index e6f382b33818..08794977f21a 100644 --- a/drivers/spi/spi-tegra20-sflash.c +++ b/drivers/spi/spi-tegra20-sflash.c @@ -149,14 +149,14 @@ struct tegra_sflash_data { static int tegra_sflash_runtime_suspend(struct device *dev); static int tegra_sflash_runtime_resume(struct device *dev); -static inline unsigned long tegra_sflash_readl(struct tegra_sflash_data *tsd, +static inline u32 tegra_sflash_readl(struct tegra_sflash_data *tsd, unsigned long reg) { return readl(tsd->base + reg); } static inline void tegra_sflash_writel(struct tegra_sflash_data *tsd, - unsigned long val, unsigned long reg) + u32 val, unsigned long reg) { writel(val, tsd->base + reg); } @@ -186,7 +186,7 @@ static unsigned tegra_sflash_fill_tx_fifo_from_client_txbuf( struct tegra_sflash_data *tsd, struct spi_transfer *t) { unsigned nbytes; - unsigned long status; + u32 status; unsigned max_n_32bit = tsd->curr_xfer_words; u8 *tx_buf = (u8 *)t->tx_buf + tsd->cur_tx_pos; @@ -197,11 +197,11 @@ static unsigned tegra_sflash_fill_tx_fifo_from_client_txbuf( status = tegra_sflash_readl(tsd, SPI_STATUS); while (!(status & SPI_TXF_FULL)) { int i; - unsigned int x = 0; + u32 x = 0; for (i = 0; nbytes && (i < tsd->bytes_per_word); i++, nbytes--) - x |= ((*tx_buf++) << i*8); + x |= (u32)(*tx_buf++) << (i * 8); tegra_sflash_writel(tsd, x, SPI_TX_FIFO); if (!nbytes) break; @@ -215,16 +215,14 @@ static unsigned tegra_sflash_fill_tx_fifo_from_client_txbuf( static int tegra_sflash_read_rx_fifo_to_client_rxbuf( struct tegra_sflash_data *tsd, struct spi_transfer *t) { - unsigned long status; + u32 status; unsigned int read_words = 0; u8 *rx_buf = (u8 *)t->rx_buf + tsd->cur_rx_pos; status = tegra_sflash_readl(tsd, SPI_STATUS); while (!(status & SPI_RXF_EMPTY)) { int i; - unsigned long x; - - x = tegra_sflash_readl(tsd, SPI_RX_FIFO); + u32 x = tegra_sflash_readl(tsd, SPI_RX_FIFO); for (i = 0; (i < tsd->bytes_per_word); i++) *rx_buf++ = (x >> (i*8)) & 0xFF; read_words++; @@ -237,7 +235,7 @@ static int tegra_sflash_read_rx_fifo_to_client_rxbuf( static int tegra_sflash_start_cpu_based_transfer( struct tegra_sflash_data *tsd, struct spi_transfer *t) { - unsigned long val = 0; + u32 val = 0; unsigned cur_words; if (tsd->cur_direction & DATA_DIR_TX) @@ -267,7 +265,7 @@ static int tegra_sflash_start_transfer_one(struct spi_device *spi, { struct tegra_sflash_data *tsd = spi_master_get_devdata(spi->master); u32 speed; - unsigned long command; + u32 command; speed = t->speed_hz; if (speed != tsd->cur_speed) { @@ -314,7 +312,7 @@ static int tegra_sflash_start_transfer_one(struct spi_device *spi, tegra_sflash_writel(tsd, command, SPI_COMMAND); tsd->command_reg = command; - return tegra_sflash_start_cpu_based_transfer(tsd, t); + return tegra_sflash_start_cpu_based_transfer(tsd, t); } static int tegra_sflash_setup(struct spi_device *spi) |