spi: dw: don't use mrst prefix anymore

Since driver is used on other platforms and debugfs stuff would be useful there
as well let's substitute mrst_ by dw_ where it suits. Additionally let's use
SPI master device name when print registers dump.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index fdb5a6d1c8c69b68630af5a47953c7eae12a405f..e2f7c5c0f4bacd57a09c1784f14f3797d1dd4a86 100644 (file)
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -55,22 +55,20 @@ struct chip_data {
 
 #ifdef CONFIG_DEBUG_FS
 #define SPI_REGS_BUFSIZE       1024
-static ssize_t  spi_show_regs(struct file *file, char __user *user_buf,
-                               size_t count, loff_t *ppos)
+static ssize_t dw_spi_show_regs(struct file *file, char __user *user_buf,
+               size_t count, loff_t *ppos)
 {
-       struct dw_spi *dws;
+       struct dw_spi *dws = file->private_data;
        char *buf;
        u32 len = 0;
        ssize_t ret;
 
-       dws = file->private_data;
-
        buf = kzalloc(SPI_REGS_BUFSIZE, GFP_KERNEL);
        if (!buf)
                return 0;
 
        len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-                       "MRST SPI0 registers:\n");
+                       "%s registers:\n", dev_name(&dws->master->dev));
        len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
                        "=================================\n");
        len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
@@ -106,41 +104,41 @@ static ssize_t  spi_show_regs(struct file *file, char __user *user_buf,
        len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
                        "=================================\n");
 
-       ret =  simple_read_from_buffer(user_buf, count, ppos, buf, len);
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
        kfree(buf);
        return ret;
 }
 
-static const struct file_operations mrst_spi_regs_ops = {
+static const struct file_operations dw_spi_regs_ops = {
        .owner          = THIS_MODULE,
        .open           = simple_open,
-       .read           = spi_show_regs,
+       .read           = dw_spi_show_regs,
        .llseek         = default_llseek,
 };
 
-static int mrst_spi_debugfs_init(struct dw_spi *dws)
+static int dw_spi_debugfs_init(struct dw_spi *dws)
 {
-       dws->debugfs = debugfs_create_dir("mrst_spi", NULL);
+       dws->debugfs = debugfs_create_dir("dw_spi", NULL);
        if (!dws->debugfs)
                return -ENOMEM;
 
        debugfs_create_file("registers", S_IFREG | S_IRUGO,
-               dws->debugfs, (void *)dws, &mrst_spi_regs_ops);
+               dws->debugfs, (void *)dws, &dw_spi_regs_ops);
        return 0;
 }
 
-static void mrst_spi_debugfs_remove(struct dw_spi *dws)
+static void dw_spi_debugfs_remove(struct dw_spi *dws)
 {
        debugfs_remove_recursive(dws->debugfs);
 }
 
 #else
-static inline int mrst_spi_debugfs_init(struct dw_spi *dws)
+static inline int dw_spi_debugfs_init(struct dw_spi *dws)
 {
        return 0;
 }
 
-static inline void mrst_spi_debugfs_remove(struct dw_spi *dws)
+static inline void dw_spi_debugfs_remove(struct dw_spi *dws)
 {
 }
 #endif /* CONFIG_DEBUG_FS */
@@ -682,7 +680,7 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
                goto err_dma_exit;
        }
 
-       mrst_spi_debugfs_init(dws);
+       dw_spi_debugfs_init(dws);
        return 0;
 
 err_dma_exit:
@@ -699,7 +697,7 @@ void dw_spi_remove_host(struct dw_spi *dws)
 {
        if (!dws)
                return;
-       mrst_spi_debugfs_remove(dws);
+       dw_spi_debugfs_remove(dws);
 
        if (dws->dma_ops && dws->dma_ops->dma_exit)
                dws->dma_ops->dma_exit(dws);