Hi Siddh, Thank you for the patch. On Tue, Jun 06, 2023 at 04:15:15PM +0530, Siddh Raman Pant wrote: > This reverts commit 1040e424353f5f4d39f6f3aa8723eb3bd6ea6446. > > It used an incorrect way to use drm_* functions. Only drm_device ptrs > should be passed, but the mentioned commit passed mipi_dsi_host ptr. > It worked by accident due to macro magic. > > Reported-by: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> > Signed-off-by: Siddh Raman Pant <code@xxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> Any chance we could prevent this from happening by turning the macros into inline functions ? > --- > drivers/gpu/drm/drm_mipi_dsi.c | 15 ++++++++------- > 1 file changed, 8 insertions(+), 7 deletions(-) > > diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c > index 3fd6c733ff4e..a37af4edf394 100644 > --- a/drivers/gpu/drm/drm_mipi_dsi.c > +++ b/drivers/gpu/drm/drm_mipi_dsi.c > @@ -33,7 +33,6 @@ > > #include <drm/display/drm_dsc.h> > #include <drm/drm_mipi_dsi.h> > -#include <drm/drm_print.h> > > #include <video/mipi_display.h> > > @@ -156,18 +155,19 @@ static int mipi_dsi_device_add(struct mipi_dsi_device *dsi) > static struct mipi_dsi_device * > of_mipi_dsi_device_add(struct mipi_dsi_host *host, struct device_node *node) > { > + struct device *dev = host->dev; > struct mipi_dsi_device_info info = { }; > int ret; > u32 reg; > > if (of_alias_from_compatible(node, info.type, sizeof(info.type)) < 0) { > - drm_err(host, "modalias failure on %pOF\n", node); > + dev_err(dev, "modalias failure on %pOF\n", node); > return ERR_PTR(-EINVAL); > } > > ret = of_property_read_u32(node, "reg", ®); > if (ret) { > - drm_err(host, "device node %pOF has no valid reg property: %d\n", > + dev_err(dev, "device node %pOF has no valid reg property: %d\n", > node, ret); > return ERR_PTR(-EINVAL); > } > @@ -202,21 +202,22 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, > const struct mipi_dsi_device_info *info) > { > struct mipi_dsi_device *dsi; > + struct device *dev = host->dev; > int ret; > > if (!info) { > - drm_err(host, "invalid mipi_dsi_device_info pointer\n"); > + dev_err(dev, "invalid mipi_dsi_device_info pointer\n"); > return ERR_PTR(-EINVAL); > } > > if (info->channel > 3) { > - drm_err(host, "invalid virtual channel: %u\n", info->channel); > + dev_err(dev, "invalid virtual channel: %u\n", info->channel); > return ERR_PTR(-EINVAL); > } > > dsi = mipi_dsi_device_alloc(host); > if (IS_ERR(dsi)) { > - drm_err(host, "failed to allocate DSI device %ld\n", > + dev_err(dev, "failed to allocate DSI device %ld\n", > PTR_ERR(dsi)); > return dsi; > } > @@ -227,7 +228,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, > > ret = mipi_dsi_device_add(dsi); > if (ret) { > - drm_err(host, "failed to add DSI device %d\n", ret); > + dev_err(dev, "failed to add DSI device %d\n", ret); > kfree(dsi); > return ERR_PTR(ret); > } > -- Regards, Laurent Pinchart