| Message ID | 20250325081331.1965917-1-fshao@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/bridge: anx7625: Simplify INTERFACE_CHANGE_INT reg clear write | expand |
On Tue, Mar 25, 2025 at 4:14 PM Fei Shao <fshao@chromium.org> wrote: > > Simply clear the INTERFACE_CHANGE_INT register with 0 and replace the > indirect `x & (~x)` pattern, since they are logically the same. > No functional change. > > Signed-off-by: Fei Shao <fshao@chromium.org> > --- Hi, I noticed that Xin sent out another patch [1] to completely remove the block where this patch tries to modify, so feel free to ignore this if applicable. [1]: https://lore.kernel.org/all/20250327120558.1272081-1-xji@analogixsemi.com/ Regards, Fei > > drivers/gpu/drm/bridge/analogix/anx7625.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c > index 0b97b66de577..df2d1dd95d01 100644 > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c > @@ -1586,8 +1586,7 @@ static int anx7625_hpd_change_detect(struct anx7625_data *ctx) > } > DRM_DEV_DEBUG_DRIVER(dev, "0x7e:0x44=%x\n", intr_vector); > status = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client, > - INTERFACE_CHANGE_INT, > - intr_vector & (~intr_vector)); > + INTERFACE_CHANGE_INT, 0); > if (status < 0) { > DRM_DEV_ERROR(dev, "cannot clear interrupt change reg.\n"); > return status; > -- > 2.49.0.395.g12beb8f557-goog >
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 0b97b66de577..df2d1dd95d01 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1586,8 +1586,7 @@ static int anx7625_hpd_change_detect(struct anx7625_data *ctx) } DRM_DEV_DEBUG_DRIVER(dev, "0x7e:0x44=%x\n", intr_vector); status = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client, - INTERFACE_CHANGE_INT, - intr_vector & (~intr_vector)); + INTERFACE_CHANGE_INT, 0); if (status < 0) { DRM_DEV_ERROR(dev, "cannot clear interrupt change reg.\n"); return status;
Simply clear the INTERFACE_CHANGE_INT register with 0 and replace the indirect `x & (~x)` pattern, since they are logically the same. No functional change. Signed-off-by: Fei Shao <fshao@chromium.org> --- drivers/gpu/drm/bridge/analogix/anx7625.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)