diff mbox series

[v3,04/14] drm/sun4i: hdmi: Use more portable I/O helpers

Message ID 20220424162633.12369-5-samuel@sholland.org (mailing list archive)
State New, archived
Headers show
Series drm/sun4i: Allwinner D1 Display Engine 2.0 Support | expand

Commit Message

Samuel Holland April 24, 2022, 4:26 p.m. UTC
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>
---

(no changes since v2)

Changes in v2:
 - New patch: I/O helper portability

 drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Jernej Škrabec April 24, 2022, 7:59 p.m. UTC | #1
Dne nedelja, 24. april 2022 ob 18:26:22 CEST je Samuel Holland napisal(a):
> 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>

Best regards,
Jernej Skrabec

> ---
> 
> (no changes since v2)
> 
> Changes in v2:
>  - New patch: I/O helper portability
> 
>  drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c b/drivers/gpu/drm/sun4i/
sun4i_hdmi_i2c.c
> index b66fa27fe6ea..c7d7e9fff91c 100644
> --- 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,
> -- 
> 2.35.1
> 
>
Maxime Ripard April 26, 2022, 12:41 p.m. UTC | #2
On Sun, 24 Apr 2022 11:26:22 -0500, Samuel Holland wrote:
> 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.
> 
> 

Applied to drm/drm-misc (drm-misc-next).

Thanks!
Maxime
diff mbox series

Patch

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
index b66fa27fe6ea..c7d7e9fff91c 100644
--- 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,