mfd: pcf50633: Use sprintf directly

When dump a content of the registers let's use snprintf() directly with %*ph
specifier.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index e15c060..43664eb 100644 (file)
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -106,10 +106,7 @@ static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
                        } else
                                dump[n1] = pcf50633_reg_read(pcf, n + n1);
 
-               hex_dump_to_buffer(dump, sizeof(dump), 16, 1, buf1, 128, 0);
-               buf1 += strlen(buf1);
-               *buf1++ = '\n';
-               *buf1 = '\0';
+               buf1 += sprintf(buf1, "%*ph\n", (int)sizeof(dump), dump);
        }
 
        return buf1 - buf;