[PATCH v2 07/14] clk: tegra: Add stubs needed for compile-testing

[Dmitry Osipenko <digetx@xxxxxxxxx>]

Add stubs needed for compile-testing of Tegra memory drivers.

Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
 include/linux/clk/tegra.h | 82 ++++++++++++++++++++++++++++++---------
 1 file changed, 64 insertions(+), 18 deletions(-)

diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h
index f7ff722a03dd..3dab36dcb534 100644
--- a/include/linux/clk/tegra.h
+++ b/include/linux/clk/tegra.h
@@ -123,20 +123,6 @@ static inline void tegra_cpu_clock_resume(void)
 }
 #endif
 
-extern int tegra210_plle_hw_sequence_start(void);
-extern bool tegra210_plle_hw_sequence_is_enabled(void);
-extern void tegra210_xusb_pll_hw_control_enable(void);
-extern void tegra210_xusb_pll_hw_sequence_start(void);
-extern void tegra210_sata_pll_hw_control_enable(void);
-extern void tegra210_sata_pll_hw_sequence_start(void);
-extern void tegra210_set_sata_pll_seq_sw(bool state);
-extern void tegra210_put_utmipll_in_iddq(void);
-extern void tegra210_put_utmipll_out_iddq(void);
-extern int tegra210_clk_handle_mbist_war(unsigned int id);
-extern void tegra210_clk_emc_dll_enable(bool flag);
-extern void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value);
-extern void tegra210_clk_emc_update_setting(u32 emc_src_value);
-
 struct clk;
 struct tegra_emc;
 
@@ -144,18 +130,78 @@ typedef long (tegra20_clk_emc_round_cb)(unsigned long rate,
 					unsigned long min_rate,
 					unsigned long max_rate,
 					void *arg);
+typedef int (tegra124_emc_prepare_timing_change_cb)(struct tegra_emc *emc,
+						    unsigned long rate);
+typedef void (tegra124_emc_complete_timing_change_cb)(struct tegra_emc *emc,
+						      unsigned long rate);
 
+#ifdef CONFIG_ARCH_TEGRA
 void tegra20_clk_set_emc_round_callback(tegra20_clk_emc_round_cb *round_cb,
 					void *cb_arg);
 int tegra20_clk_prepare_emc_mc_same_freq(struct clk *emc_clk, bool same);
 
-typedef int (tegra124_emc_prepare_timing_change_cb)(struct tegra_emc *emc,
-						    unsigned long rate);
-typedef void (tegra124_emc_complete_timing_change_cb)(struct tegra_emc *emc,
-						      unsigned long rate);
 void tegra124_clk_set_emc_callbacks(tegra124_emc_prepare_timing_change_cb *prep_cb,
 				    tegra124_emc_complete_timing_change_cb *complete_cb);
 
+int tegra210_plle_hw_sequence_start(void);
+bool tegra210_plle_hw_sequence_is_enabled(void);
+void tegra210_xusb_pll_hw_control_enable(void);
+void tegra210_xusb_pll_hw_sequence_start(void);
+void tegra210_sata_pll_hw_control_enable(void);
+void tegra210_sata_pll_hw_sequence_start(void);
+void tegra210_set_sata_pll_seq_sw(bool state);
+void tegra210_put_utmipll_in_iddq(void);
+void tegra210_put_utmipll_out_iddq(void);
+int tegra210_clk_handle_mbist_war(unsigned int id);
+void tegra210_clk_emc_dll_enable(bool flag);
+void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value);
+void tegra210_clk_emc_update_setting(u32 emc_src_value);
+#else
+static inline void
+tegra20_clk_set_emc_round_callback(tegra20_clk_emc_round_cb *round_cb,
+				   void *cb_arg)
+{
+}
+
+static inline int
+tegra20_clk_prepare_emc_mc_same_freq(struct clk *emc_clk, bool same)
+{
+	return 0;
+}
+
+static inline void
+tegra124_clk_set_emc_callbacks(tegra124_emc_prepare_timing_change_cb *prep_cb,
+			       tegra124_emc_complete_timing_change_cb *complete_cb)
+{
+}
+
+static inline int tegra210_plle_hw_sequence_start(void)
+{
+	return 0;
+}
+
+static inline bool tegra210_plle_hw_sequence_is_enabled(void)
+{
+	return false;
+}
+
+static inline int tegra210_clk_handle_mbist_war(unsigned int id)
+{
+	return 0;
+}
+
+static inline void tegra210_xusb_pll_hw_control_enable(void) {}
+static inline void tegra210_xusb_pll_hw_sequence_start(void) {}
+static inline void tegra210_sata_pll_hw_control_enable(void) {}
+static inline void tegra210_sata_pll_hw_sequence_start(void) {}
+static inline void tegra210_set_sata_pll_seq_sw(bool state) {}
+static inline void tegra210_put_utmipll_in_iddq(void) {}
+static inline void tegra210_put_utmipll_out_iddq(void) {}
+static inline void tegra210_clk_emc_dll_enable(bool flag) {}
+static inline void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value) {}
+static inline void tegra210_clk_emc_update_setting(u32 emc_src_value) {}
+#endif
+
 struct tegra210_clk_emc_config {
 	unsigned long rate;
 	bool same_freq;
-- 
2.30.2