[PATCH v4 06/14] clk: tegra: Add stubs needed for compile-testing

Dmitry Osipenko
2021-05-27T21:44:14Z

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

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
include/linux/clk/tegra.h | 96 ++++++++++++++++++++++++++++++---------
1 file changed, 75 insertions(+), 21 deletions(-)

diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h
index f7ff722a03dd..5667fe7a979c 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;

@@ -144,17 +130,10 @@ typedef long (tegra20_clk_emc_round_cb)(unsigned long rate,
unsigned long min_rate,
unsigned long max_rate,
void *arg);
-
-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);

struct tegra210_clk_emc_config {
unsigned long rate;
@@ -176,8 +155,83 @@ struct tegra210_clk_emc_provider {
const struct tegra210_clk_emc_config *config);
};

+#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);
+
+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);
+
int tegra210_clk_emc_attach(struct clk *clk,
struct tegra210_clk_emc_provider *provider);
void tegra210_clk_emc_detach(struct clk *clk);
+#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 int
+tegra210_clk_emc_attach(struct clk *clk,
+ struct tegra210_clk_emc_provider *provider);
+{
+ 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) {}
+static inline void tegra210_clk_emc_detach(struct clk *clk) {}
+#endif

#endif /* __LINUX_CLK_TEGRA_H_ */
--
2.30.2