spi: altera: Clean up most checkpatch issues

This patch just zaps most of the checkpatch cries present in the
driver. There is one more left, which will be addressed separately.
There is no functional change.

This patch also adds a bunch of newlines all around the place, this
is to make the code much more readable.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Pavel Machek <pavel@denx.de>
Acked-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>

diff --git a/drivers/spi/altera_spi.c b/drivers/spi/altera_spi.c
index 21f90fced00fea4617c88f366caf53d04d0989d5..373ce30a0324e8f5f42869bdac2bf2fb8a5d4197 100644 (file)
--- a/drivers/spi/altera_spi.c
+++ b/drivers/spi/altera_spi.c
@@ -47,22 +47,19 @@ struct altera_spi_slave {
 };
 #define to_altera_spi_slave(s) container_of(s, struct altera_spi_slave, slave)
 
-__attribute__((weak))
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+__weak int spi_cs_is_valid(unsigned int bus, unsigned int cs)
 {
        return bus < ARRAY_SIZE(altera_spi_base_list) && cs < 32;
 }
 
-__attribute__((weak))
-void spi_cs_activate(struct spi_slave *slave)
+__weak void spi_cs_activate(struct spi_slave *slave)
 {
        struct altera_spi_slave *altspi = to_altera_spi_slave(slave);
        writel(1 << slave->cs, &altspi->regs->slave_sel);
        writel(ALTERA_SPI_CONTROL_SSO_MSK, &altspi->regs->control);
 }
 
-__attribute__((weak))
-void spi_cs_deactivate(struct spi_slave *slave)
+__weak void spi_cs_deactivate(struct spi_slave *slave)
 {
        struct altera_spi_slave *altspi = to_altera_spi_slave(slave);
        writel(0, &altspi->regs->control);
@@ -91,8 +88,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
                return NULL;
 
        altspi->regs = (struct altera_spi_regs *)altera_spi_base_list[bus];
-       debug("%s: bus:%i cs:%i base:%p\n", __func__,
-               bus, cs, altspi->regs);
+       debug("%s: bus:%i cs:%i base:%p\n", __func__, bus, cs, altspi->regs);
 
        return &altspi->slave;
 }
@@ -135,7 +131,8 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
        uchar *rxp = din;
 
        debug("%s: bus:%i cs:%i bitlen:%i bytes:%i flags:%lx\n", __func__,
-               slave->bus, slave->cs, bitlen, bytes, flags);
+             slave->bus, slave->cs, bitlen, bytes, flags);
+
        if (bitlen == 0)
                goto done;
 
@@ -147,21 +144,27 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
        /* empty read buffer */
        if (readl(&altspi->regs->status) & ALTERA_SPI_STATUS_RRDY_MSK)
                readl(&altspi->regs->rxdata);
+
        if (flags & SPI_XFER_BEGIN)
                spi_cs_activate(slave);
 
        while (bytes--) {
                uchar d = txp ? *txp++ : CONFIG_ALTERA_SPI_IDLE_VAL;
+
                debug("%s: tx:%x ", __func__, d);
                writel(d, &altspi->regs->txdata);
+
                while (!(readl(&altspi->regs->status) & ALTERA_SPI_STATUS_RRDY_MSK))
                        ;
+
                d = readl(&altspi->regs->rxdata);
                if (rxp)
                        *rxp++ = d;
+
                debug("rx:%x\n", d);
        }
- done:
+
+done:
        if (flags & SPI_XFER_END)
                spi_cs_deactivate(slave);