mirror of https://gitee.com/openkylin/linux.git
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>
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@ -67,6 +67,8 @@
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#define MT8173_SPI_MAX_PAD_SEL 3
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#define MTK_SPI_PAUSE_INT_STATUS 0x2
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#define MTK_SPI_IDLE 0
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#define MTK_SPI_PAUSED 1
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@ -179,7 +181,7 @@ static int mtk_spi_prepare_hardware(struct spi_master *master)
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trans = list_first_entry(&msg->transfers, struct spi_transfer,
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transfer_list);
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if (trans->cs_change == 0) {
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if (!trans->cs_change) {
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mdata->state = MTK_SPI_IDLE;
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mtk_spi_reset(mdata);
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}
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@ -269,11 +271,11 @@ static void mtk_spi_setup_packet(struct spi_master *master)
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u32 packet_size, packet_loop, reg_val;
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struct mtk_spi *mdata = spi_master_get_devdata(master);
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packet_size = min_t(unsigned, mdata->xfer_len, MTK_SPI_PACKET_SIZE);
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packet_size = min_t(u32, mdata->xfer_len, MTK_SPI_PACKET_SIZE);
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packet_loop = mdata->xfer_len / packet_size;
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reg_val = readl(mdata->base + SPI_CFG1_REG);
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reg_val &= ~(SPI_CFG1_PACKET_LENGTH_MASK + SPI_CFG1_PACKET_LOOP_MASK);
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reg_val &= ~(SPI_CFG1_PACKET_LENGTH_MASK | SPI_CFG1_PACKET_LOOP_MASK);
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reg_val |= (packet_size - 1) << SPI_CFG1_PACKET_LENGTH_OFFSET;
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reg_val |= (packet_loop - 1) << SPI_CFG1_PACKET_LOOP_OFFSET;
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writel(reg_val, mdata->base + SPI_CFG1_REG);
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@ -281,7 +283,7 @@ static void mtk_spi_setup_packet(struct spi_master *master)
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static void mtk_spi_enable_transfer(struct spi_master *master)
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{
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int cmd;
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u32 cmd;
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struct mtk_spi *mdata = spi_master_get_devdata(master);
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cmd = readl(mdata->base + SPI_CMD_REG);
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@ -292,9 +294,9 @@ static void mtk_spi_enable_transfer(struct spi_master *master)
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writel(cmd, mdata->base + SPI_CMD_REG);
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}
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static int mtk_spi_get_mult_delta(int xfer_len)
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static int mtk_spi_get_mult_delta(u32 xfer_len)
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{
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int mult_delta;
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u32 mult_delta;
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if (xfer_len > MTK_SPI_PACKET_SIZE)
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mult_delta = xfer_len % MTK_SPI_PACKET_SIZE;
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@ -435,7 +437,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
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struct spi_transfer *trans = mdata->cur_transfer;
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reg_val = readl(mdata->base + SPI_STATUS0_REG);
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if (reg_val & 0x2)
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if (reg_val & MTK_SPI_PAUSE_INT_STATUS)
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mdata->state = MTK_SPI_PAUSED;
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else
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mdata->state = MTK_SPI_IDLE;
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@ -498,7 +500,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
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struct mtk_spi *mdata;
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const struct of_device_id *of_id;
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struct resource *res;
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int irq, ret;
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int irq, ret;
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master = spi_alloc_master(&pdev->dev, sizeof(*mdata));
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if (!master) {
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