diff options
| author | Leilk Liu <leilk.liu@mediatek.com> | 2015-08-24 11:45:16 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-08-25 18:48:23 +0100 |
| commit | 50f8fec2162db918540d0845481f3f6fffc5b033 (patch) | |
| tree | 762993c24bd0569394150d7a12bad01e408bed60 /drivers | |
| parent | dd69a0a69c9ee3e09da7f3771c1aa420e49464ce (diff) | |
spi: mediatek: replace int with u32, delete TAB and define MTK_SPI_PAUSE_INT_STATUS marco
this patch replaces int with u32, deletes TAB, and defines
MTK_SPI_PAUSE_INT_STATUS marco.
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/spi-mt65xx.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 46d14772c0cc..81b75b94145c 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -67,6 +67,8 @@ #define MT8173_SPI_MAX_PAD_SEL 3 +#define MTK_SPI_PAUSE_INT_STATUS 0x2 + #define MTK_SPI_IDLE 0 #define MTK_SPI_PAUSED 1 @@ -179,7 +181,7 @@ static int mtk_spi_prepare_hardware(struct spi_master *master) trans = list_first_entry(&msg->transfers, struct spi_transfer, transfer_list); - if (trans->cs_change == 0) { + if (!trans->cs_change) { mdata->state = MTK_SPI_IDLE; mtk_spi_reset(mdata); } @@ -269,11 +271,11 @@ static void mtk_spi_setup_packet(struct spi_master *master) u32 packet_size, packet_loop, reg_val; struct mtk_spi *mdata = spi_master_get_devdata(master); - packet_size = min_t(unsigned, mdata->xfer_len, MTK_SPI_PACKET_SIZE); + packet_size = min_t(u32, mdata->xfer_len, MTK_SPI_PACKET_SIZE); packet_loop = mdata->xfer_len / packet_size; reg_val = readl(mdata->base + SPI_CFG1_REG); - reg_val &= ~(SPI_CFG1_PACKET_LENGTH_MASK + SPI_CFG1_PACKET_LOOP_MASK); + reg_val &= ~(SPI_CFG1_PACKET_LENGTH_MASK | SPI_CFG1_PACKET_LOOP_MASK); reg_val |= (packet_size - 1) << SPI_CFG1_PACKET_LENGTH_OFFSET; reg_val |= (packet_loop - 1) << SPI_CFG1_PACKET_LOOP_OFFSET; writel(reg_val, mdata->base + SPI_CFG1_REG); @@ -281,7 +283,7 @@ static void mtk_spi_setup_packet(struct spi_master *master) static void mtk_spi_enable_transfer(struct spi_master *master) { - int cmd; + u32 cmd; struct mtk_spi *mdata = spi_master_get_devdata(master); cmd = readl(mdata->base + SPI_CMD_REG); @@ -292,9 +294,9 @@ static void mtk_spi_enable_transfer(struct spi_master *master) writel(cmd, mdata->base + SPI_CMD_REG); } -static int mtk_spi_get_mult_delta(int xfer_len) +static int mtk_spi_get_mult_delta(u32 xfer_len) { - int mult_delta; + u32 mult_delta; if (xfer_len > MTK_SPI_PACKET_SIZE) mult_delta = xfer_len % MTK_SPI_PACKET_SIZE; @@ -435,7 +437,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id) struct spi_transfer *trans = mdata->cur_transfer; reg_val = readl(mdata->base + SPI_STATUS0_REG); - if (reg_val & 0x2) + if (reg_val & MTK_SPI_PAUSE_INT_STATUS) mdata->state = MTK_SPI_PAUSED; else mdata->state = MTK_SPI_IDLE; @@ -498,7 +500,7 @@ static int mtk_spi_probe(struct platform_device *pdev) struct mtk_spi *mdata; const struct of_device_id *of_id; struct resource *res; - int irq, ret; + int irq, ret; master = spi_alloc_master(&pdev->dev, sizeof(*mdata)); if (!master) { |