regmap: mmio: Use swabXX_array() helpers

Since we have a few helpers to swab elements of a given size in an array
use them instead of open coded variants.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220831212744.56435-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index b47ee3e8d05096f0eb2fa0017abc7da7fdbee980..8bd8d42de3fef4229e1059d8a801fe1c88ef356d 100644 (file)
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
+#include <linux/swab.h>
 
 #include "internal.h"
 
@@ -345,7 +346,6 @@ static int regmap_mmio_noinc_read(void *context, unsigned int reg,
 {
        struct regmap_mmio_context *ctx = context;
        int ret = 0;
-       int i;
 
        if (!IS_ERR(ctx->clk)) {
                ret = clk_enable(ctx->clk);
@@ -382,27 +382,15 @@ static int regmap_mmio_noinc_read(void *context, unsigned int reg,
        if (ctx->big_endian && (ctx->val_bytes > 1)) {
                switch (ctx->val_bytes) {
                case 2:
-               {
-                       u16 *valp = (u16 *)val;
-                       for (i = 0; i < val_count; i++)
-                               valp[i] = swab16(valp[i]);
+                       swab16_array(val, val_count);
                        break;
-               }
                case 4:
-               {
-                       u32 *valp = (u32 *)val;
-                       for (i = 0; i < val_count; i++)
-                               valp[i] = swab32(valp[i]);
+                       swab32_array(val, val_count);
                        break;
-               }
 #ifdef CONFIG_64BIT
                case 8:
-               {
-                       u64 *valp = (u64 *)val;
-                       for (i = 0; i < val_count; i++)
-                               valp[i] = swab64(valp[i]);
+                       swab64_array(val, val_count);
                        break;
-               }
 #endif
                default:
                        ret = -EINVAL;