Re: [PATCH] drm/vc4: Update type of reg parameter in vc4_hdmi_{read,write}

From: Maxime Ripard
Date: Fri Sep 11 2020 - 05:31:05 EST


On Thu, Sep 10, 2020 at 10:04:02AM -0700, Nathan Chancellor wrote:
> Clang warns 100+ times in the vc4 driver along the lines of:
>
> drivers/gpu/drm/vc4/vc4_hdmi_phy.c:518:13: warning: implicit conversion
> from enumeration type 'enum vc4_hdmi_field' to different enumeration
> type 'enum vc4_hdmi_regs' [-Wenum-conversion]
> HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL,
> ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
>
> The HDMI_READ and HDMI_WRITE macros pass in enumerators of type
> vc4_hdmi_field but vc4_hdmi_write and vc4_hdmi_read expect a enumerator
> of type vc4_hdmi_regs, causing a warning for every instance of this.
> Update the parameter type so there is no more mismatch.
>
> Fixes: 311e305fdb4e ("drm/vc4: hdmi: Implement a register layout abstraction")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1149
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

Applied, thanks!
Maxime

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