spi: orion: Prepare space for per-child options

Aggregating all options for a particular child underneath a common
struct looks cleaner compared to having a separate array for each
per-child option.

Signed-off-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index ca52300baeb1b3c1066f118782e732904973744c..d01a6adc726e4b3dab7da0db259c78d518734867 100644 (file)
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -90,6 +90,10 @@ struct orion_direct_acc {
        u32                     size;
 };
 
+struct orion_child_options {
+       struct orion_direct_acc direct_access;
+};
+
 struct orion_spi {
        struct spi_master       *master;
        void __iomem            *base;
@@ -98,7 +102,7 @@ struct orion_spi {
        const struct orion_spi_dev *devdata;
        int                     unused_hw_gpio;
 
-       struct orion_direct_acc direct_access[ORION_NUM_CHIPSELECTS];
+       struct orion_child_options      child[ORION_NUM_CHIPSELECTS];
 };
 
 static inline void __iomem *spi_reg(struct orion_spi *orion_spi, u32 reg)
@@ -436,7 +440,7 @@ orion_spi_write_read(struct spi_device *spi, struct spi_transfer *xfer)
         * Use SPI direct write mode if base address is available. Otherwise
         * fall back to PIO mode for this transfer.
         */
-       if ((orion_spi->direct_access[cs].vaddr) && (xfer->tx_buf) &&
+       if ((orion_spi->child[cs].direct_access.vaddr) && (xfer->tx_buf) &&
            (word_len == 8)) {
                unsigned int cnt = count / 4;
                unsigned int rem = count % 4;
@@ -445,12 +449,12 @@ orion_spi_write_read(struct spi_device *spi, struct spi_transfer *xfer)
                 * Send the TX-data to the SPI device via the direct
                 * mapped address window
                 */
-               iowrite32_rep(orion_spi->direct_access[cs].vaddr,
+               iowrite32_rep(orion_spi->child[cs].direct_access.vaddr,
                              xfer->tx_buf, cnt);
                if (rem) {
                        u32 *buf = (u32 *)xfer->tx_buf;
 
-                       iowrite8_rep(orion_spi->direct_access[cs].vaddr,
+                       iowrite8_rep(orion_spi->child[cs].direct_access.vaddr,
                                     &buf[cnt], rem);
                }
 
@@ -707,14 +711,14 @@ static int orion_spi_probe(struct platform_device *pdev)
                 * This needs to get extended for the direct SPI-NOR / SPI-NAND
                 * support, once this gets implemented.
                 */
-               spi->direct_access[cs].vaddr = devm_ioremap(&pdev->dev,
+               spi->child[cs].direct_access.vaddr = devm_ioremap(&pdev->dev,
                                                            r->start,
                                                            PAGE_SIZE);
-               if (!spi->direct_access[cs].vaddr) {
+               if (!spi->child[cs].direct_access.vaddr) {
                        status = -ENOMEM;
                        goto out_rel_axi_clk;
                }
-               spi->direct_access[cs].size = PAGE_SIZE;
+               spi->child[cs].direct_access.size = PAGE_SIZE;
 
                dev_info(&pdev->dev, "CS%d configured for direct access\n", cs);
        }