Re: [PATCH 3/6] bus: mvebu: add mbus driver

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On 02/07/14 07:58, Sascha Hauer wrote:
[...]

+
+static const struct mvebu_mbus_soc_data orion5x_2win_mbus_data = {
+	.num_wins            = 8,
+	.num_remappable_wins = 2,
+	.win_cfg_offset      = orion5x_mbus_win_offset,
+	.setup_cpu_target    = mvebu_mbus_default_setup_cpu_target,
+};
+
+static const struct mvebu_mbus_soc_data mv78xx0_mbus_data = {
+	.num_wins            = 14,
+	.num_remappable_wins = 8,
+	.win_cfg_offset      = mv78xx0_mbus_win_offset,
+	.setup_cpu_target    = mvebu_mbus_default_setup_cpu_target,
+};

Don't you end up with unused variable warnings here if not all SoCs are
enabled? Maybe add some __maybe_unused here.

Hmm, neither V=1 nor W=1 makes gcc shout warnings here. Apparently, this
may be a "bug" in gcc, not producing warnings for unused consts... but
they are not variables strictly speaking.

Removing the const above makes gcc shout, I'll add the __maybe_unused
anyway.

+static struct of_device_id mvebu_mbus_dt_ids[] = {

And maybe constify this too.

Sebastian

+#if defined(CONFIG_ARCH_ARMADA_370) || defined(CONFIG_ARCH_ARMADA_XP)
+	{ .compatible = "marvell,armada370-mbus",
+	  .data = (u32)&armada_370_xp_mbus_data, },
+	{ .compatible = "marvell,armadaxp-mbus",
+	  .data = (u32)&armada_370_xp_mbus_data, },
+#endif
+#if defined(CONFIG_ARCH_DOVE)
+	{ .compatible = "marvell,dove-mbus",
+	  .data = (u32)&dove_mbus_data, },
+#endif


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