Re: [PATCH] drm: msm: hdmi: Constify static structs

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On 21/09/2021 00:20, Rikard Falkeborn wrote:
The only usage of hdmi_8996_pll_ops is to assign its address to the ops
field in the clk_init_data struct, and the only usage of pll_init is to
assign its address to the init field in the clk_hw struct, both which
are pointers to const. Make them const to allow the compiler to put them
in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

---
  drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c
index a8f3b2cbfdc5..99c7853353fd 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c
@@ -682,7 +682,7 @@ static int hdmi_8996_pll_is_enabled(struct clk_hw *hw)
  	return pll_locked;
  }
-static struct clk_ops hdmi_8996_pll_ops = {
+static const struct clk_ops hdmi_8996_pll_ops = {
  	.set_rate = hdmi_8996_pll_set_clk_rate,
  	.round_rate = hdmi_8996_pll_round_rate,
  	.recalc_rate = hdmi_8996_pll_recalc_rate,
@@ -695,7 +695,7 @@ static const char * const hdmi_pll_parents[] = {
  	"xo",
  };
-static struct clk_init_data pll_init = {
+static const struct clk_init_data pll_init = {
  	.name = "hdmipll",
  	.ops = &hdmi_8996_pll_ops,
  	.parent_names = hdmi_pll_parents,



--
With best wishes
Dmitry



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