From: Mugunthan V N Date: Wed, 23 Dec 2015 15:09:34 +0000 (+0530) Subject: drivers: spi:ti_qspi: change ti_qspi_slave to ti_qspi_priv for driver model conversion X-Git-Tag: v2016.03-rc1~356 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=9c42558afb80e46c72bd3852f8fe1c2144726b7b;p=u-boot drivers: spi:ti_qspi: change ti_qspi_slave to ti_qspi_priv for driver model conversion Changing the ti_qspi_priv structure and its instance names from to priv for driver mode conversion. Signed-off-by: Mugunthan V N Reviewed-by: Simon Glass Reviewed-by: Tom Rini Reviewed-by: Jagan Teki --- diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index d5a06b8494..a9f996daa6 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -85,8 +85,8 @@ struct ti_qspi_regs { u32 data3; }; -/* ti qspi slave */ -struct ti_qspi_slave { +/* ti qspi priv */ +struct ti_qspi_priv { struct spi_slave slave; struct ti_qspi_regs *base; unsigned int mode; @@ -94,14 +94,14 @@ struct ti_qspi_slave { u32 dc; }; -static inline struct ti_qspi_slave *to_ti_qspi_slave(struct spi_slave *slave) +static inline struct ti_qspi_priv *to_ti_qspi_priv(struct spi_slave *slave) { - return container_of(slave, struct ti_qspi_slave, slave); + return container_of(slave, struct ti_qspi_priv, slave); } -static void ti_spi_setup_spi_register(struct ti_qspi_slave *qslave) +static void ti_spi_setup_spi_register(struct ti_qspi_priv *priv) { - struct spi_slave *slave = &qslave->slave; + struct spi_slave *slave = &priv->slave; u32 memval = 0; #if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) @@ -123,12 +123,12 @@ static void ti_spi_setup_spi_register(struct ti_qspi_slave *qslave) QSPI_NUM_DUMMY_BITS; #endif - writel(memval, &qslave->base->setup0); + writel(memval, &priv->base->setup0); } static void ti_spi_set_speed(struct spi_slave *slave, uint hz) { - struct ti_qspi_slave *qslave = to_ti_qspi_slave(slave); + struct ti_qspi_priv *priv = to_ti_qspi_priv(slave); uint clk_div; debug("ti_spi_set_speed: hz: %d, clock divider %d\n", hz, clk_div); @@ -139,8 +139,8 @@ static void ti_spi_set_speed(struct spi_slave *slave, uint hz) clk_div = (QSPI_FCLK / hz) - 1; /* disable SCLK */ - writel(readl(&qslave->base->clk_ctrl) & ~QSPI_CLK_EN, - &qslave->base->clk_ctrl); + writel(readl(&priv->base->clk_ctrl) & ~QSPI_CLK_EN, + &priv->base->clk_ctrl); /* assign clk_div values */ if (clk_div < 0) @@ -149,7 +149,7 @@ static void ti_spi_set_speed(struct spi_slave *slave, uint hz) clk_div = QSPI_CLK_DIV_MAX; /* enable SCLK */ - writel(QSPI_CLK_EN | clk_div, &qslave->base->clk_ctrl); + writel(QSPI_CLK_EN | clk_div, &priv->base->clk_ctrl); } int spi_cs_is_valid(unsigned int bus, unsigned int cs) @@ -165,11 +165,11 @@ void spi_cs_activate(struct spi_slave *slave) void spi_cs_deactivate(struct spi_slave *slave) { - struct ti_qspi_slave *qslave = to_ti_qspi_slave(slave); + struct ti_qspi_priv *priv = to_ti_qspi_priv(slave); debug("spi_cs_deactivate: 0x%08x\n", (u32)slave); - writel(qslave->cmd | QSPI_INVAL, &qslave->base->cmd); + writel(priv->cmd | QSPI_INVAL, &priv->base->cmd); /* dummy readl to ensure bus sync */ readl(&qslave->base->cmd); } @@ -182,73 +182,73 @@ void spi_init(void) struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, unsigned int max_hz, unsigned int mode) { - struct ti_qspi_slave *qslave; + struct ti_qspi_priv *priv; #ifdef CONFIG_AM43XX gpio_request(CONFIG_QSPI_SEL_GPIO, "qspi_gpio"); gpio_direction_output(CONFIG_QSPI_SEL_GPIO, 1); #endif - qslave = spi_alloc_slave(struct ti_qspi_slave, bus, cs); - if (!qslave) { - printf("SPI_error: Fail to allocate ti_qspi_slave\n"); + priv = spi_alloc_slave(struct ti_qspi_priv, bus, cs); + if (!priv) { + printf("SPI_error: Fail to allocate ti_qspi_priv\n"); return NULL; } - qslave->base = (struct ti_qspi_regs *)QSPI_BASE; - qslave->mode = mode; + priv->base = (struct ti_qspi_regs *)QSPI_BASE; + priv->mode = mode; - ti_spi_set_speed(&qslave->slave, max_hz); + ti_spi_set_speed(&priv->slave, max_hz); #ifdef CONFIG_TI_SPI_MMAP - ti_spi_setup_spi_register(qslave); + ti_spi_setup_spi_register(priv); #endif - return &qslave->slave; + return &priv->slave; } void spi_free_slave(struct spi_slave *slave) { - struct ti_qspi_slave *qslave = to_ti_qspi_slave(slave); - free(qslave); + struct ti_qspi_priv *priv = to_ti_qspi_priv(slave); + free(priv); } int spi_claim_bus(struct spi_slave *slave) { - struct ti_qspi_slave *qslave = to_ti_qspi_slave(slave); + struct ti_qspi_priv *priv = to_ti_qspi_priv(slave); debug("spi_claim_bus: bus:%i cs:%i\n", slave->bus, slave->cs); - qslave->dc = 0; - if (qslave->mode & SPI_CPHA) - qslave->dc |= QSPI_CKPHA(slave->cs); - if (qslave->mode & SPI_CPOL) - qslave->dc |= QSPI_CKPOL(slave->cs); - if (qslave->mode & SPI_CS_HIGH) - qslave->dc |= QSPI_CSPOL(slave->cs); + priv->dc = 0; + if (priv->mode & SPI_CPHA) + priv->dc |= QSPI_CKPHA(slave->cs); + if (priv->mode & SPI_CPOL) + priv->dc |= QSPI_CKPOL(slave->cs); + if (priv->mode & SPI_CS_HIGH) + priv->dc |= QSPI_CSPOL(slave->cs); - writel(qslave->dc, &qslave->base->dc); - writel(0, &qslave->base->cmd); - writel(0, &qslave->base->data); + writel(priv->dc, &priv->base->dc); + writel(0, &priv->base->cmd); + writel(0, &priv->base->data); return 0; } void spi_release_bus(struct spi_slave *slave) { - struct ti_qspi_slave *qslave = to_ti_qspi_slave(slave); + struct ti_qspi_priv *priv = to_ti_qspi_priv(slave); debug("spi_release_bus: bus:%i cs:%i\n", slave->bus, slave->cs); - writel(0, &qslave->base->dc); - writel(0, &qslave->base->cmd); - writel(0, &qslave->base->data); + writel(0, &priv->base->dc); + writel(0, &priv->base->cmd); + writel(0, &priv->base->data); } int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, void *din, unsigned long flags) { - struct ti_qspi_slave *qslave = to_ti_qspi_slave(slave); + struct ti_qspi_priv *priv = to_ti_qspi_priv(slave); uint words = bitlen >> 3; /* fixed 8-bit word length */ const uchar *txp = dout; uchar *rxp = din; @@ -264,7 +264,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, /* Setup mmap flags */ if (flags & SPI_XFER_MMAP) { - writel(MM_SWITCH, &qslave->base->memswitch); + writel(MM_SWITCH, &priv->base->memswitch); #if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) val = readl(CORE_CTRL_IO); val |= MEM_CS(slave->cs); @@ -272,7 +272,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, #endif return 0; } else if (flags & SPI_XFER_MMAP_END) { - writel(~MM_SWITCH, &qslave->base->memswitch); + writel(~MM_SWITCH, &priv->base->memswitch); #if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) val = readl(CORE_CTRL_IO); val &= MEM_CS_UNSELECT; @@ -290,12 +290,12 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, } /* Setup command reg */ - qslave->cmd = 0; - qslave->cmd |= QSPI_WLEN(8); - qslave->cmd |= QSPI_EN_CS(slave->cs); - if (qslave->mode & SPI_3WIRE) - qslave->cmd |= QSPI_3_PIN; - qslave->cmd |= 0xfff; + priv->cmd = 0; + priv->cmd |= QSPI_WLEN(8); + priv->cmd |= QSPI_EN_CS(slave->cs); + if (priv->mode & SPI_3WIRE) + priv->cmd |= QSPI_3_PIN; + priv->cmd |= 0xfff; /* FIXME: This delay is required for successfull * completion of read/write/erase. Once its root @@ -307,39 +307,39 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, while (words--) { if (txp) { debug("tx cmd %08x dc %08x data %02x\n", - qslave->cmd | QSPI_WR_SNGL, qslave->dc, *txp); - writel(*txp++, &qslave->base->data); - writel(qslave->cmd | QSPI_WR_SNGL, - &qslave->base->cmd); - status = readl(&qslave->base->status); + priv->cmd | QSPI_WR_SNGL, priv->dc, *txp); + writel(*txp++, &priv->base->data); + writel(priv->cmd | QSPI_WR_SNGL, + &priv->base->cmd); + status = readl(&priv->base->status); timeout = QSPI_TIMEOUT; while ((status & QSPI_WC_BUSY) != QSPI_XFER_DONE) { if (--timeout < 0) { printf("spi_xfer: TX timeout!\n"); return -1; } - status = readl(&qslave->base->status); + status = readl(&priv->base->status); } debug("tx done, status %08x\n", status); } if (rxp) { - qslave->cmd |= QSPI_RD_SNGL; + priv->cmd |= QSPI_RD_SNGL; debug("rx cmd %08x dc %08x\n", - qslave->cmd, qslave->dc); + priv->cmd, priv->dc); #ifdef CONFIG_DRA7XX udelay(500); #endif - writel(qslave->cmd, &qslave->base->cmd); - status = readl(&qslave->base->status); + writel(priv->cmd, &priv->base->cmd); + status = readl(&priv->base->status); timeout = QSPI_TIMEOUT; while ((status & QSPI_WC_BUSY) != QSPI_XFER_DONE) { if (--timeout < 0) { printf("spi_xfer: RX timeout!\n"); return -1; } - status = readl(&qslave->base->status); + status = readl(&priv->base->status); } - *rxp++ = readl(&qslave->base->data); + *rxp++ = readl(&priv->base->data); debug("rx done, status %08x, read %02x\n", status, *(rxp-1)); }