clk: tegra: emc: Fix EMC max-rate clamping (913c3072) · Commits · 戴 / test

drivers/clk/tegra/clk-emc.c

+10 −7

Original line number	Diff line number	Diff line
		@@ -121,7 +121,7 @@ static int emc_determine_rate(struct clk_hw hw, struct clk_rate_request req)
		struct tegra_clk_emc *tegra;
		u8 ram_code = tegra_read_ram_code();
		struct emc_timing *timing = NULL;
		int i, k;
		int i, k, t;

		tegra = container_of(hw, struct tegra_clk_emc, hw);

		@@ -130,12 +130,17 @@ static int emc_determine_rate(struct clk_hw hw, struct clk_rate_request req)
		break;
		}

		for (i = k; i < tegra->num_timings; i++) {
		if (tegra->timings[i].ram_code != ram_code)
		for (t = k; t < tegra->num_timings; t++) {
		if (tegra->timings[t].ram_code != ram_code)
		break;
		}

		for (i = k; i < t; i++) {
		timing = tegra->timings + i;

		if (timing->rate < req->rate && i != t - 1)
		continue;

		if (timing->rate > req->max_rate) {
		i = max(i, k + 1);
		req->rate = tegra->timings[i - 1].rate;
		@@ -145,11 +150,9 @@ static int emc_determine_rate(struct clk_hw hw, struct clk_rate_request req)
		if (timing->rate < req->min_rate)
		continue;

		if (timing->rate >= req->rate) {
		req->rate = timing->rate;
		return 0;
		}
		}

		if (timing) {
		req->rate = timing->rate;