drm/sun4i: hdmi: Use more portable I/O helpers

readsb/writesb are unavailable on some architectures. In preparation for
removing the Kconfig architecture dependency, switch to the equivalent
but more portable ioread/write8_rep helpers.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220424162633.12369-5-samuel@sholland.org

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
index b66fa27..c7d7e9f 100644 (file)
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
@@ -56,9 +56,9 @@ static int fifo_transfer(struct sun4i_hdmi *hdmi, u8 *buf, int len, bool read)
                return -EIO;
 
        if (read)
-               readsb(hdmi->base + hdmi->variant->ddc_fifo_reg, buf, len);
+               ioread8_rep(hdmi->base + hdmi->variant->ddc_fifo_reg, buf, len);
        else
-               writesb(hdmi->base + hdmi->variant->ddc_fifo_reg, buf, len);
+               iowrite8_rep(hdmi->base + hdmi->variant->ddc_fifo_reg, buf, len);
 
        /* Clear FIFO request bit by forcing a write to that bit */
        regmap_field_force_write(hdmi->field_ddc_int_status,