diff options
| author | Peter De Schrijver <pdeschrijver@nvidia.com> | 2013-11-18 19:11:37 +0400 |
|---|---|---|
| committer | Peter De Schrijver <pdeschrijver@nvidia.com> | 2013-11-26 20:46:52 +0400 |
| commit | bc44275b8ea2df7c77658b08955ec545a37560ab (patch) | |
| tree | bd3e7d05833d75a4097dfc86cc507826b5d4cc34 /drivers/clk/tegra/clk-tegra-periph.c | |
| parent | 2b239077d1e2061c65763dcf57ab978ae5261559 (diff) | |
| download | linux-bc44275b8ea2df7c77658b08955ec545a37560ab.tar.xz | |
clk: tegra: add locking to periph clks
Tegra124 has periph clocks which share the hw register. Hence locking is
required.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/clk/tegra/clk-tegra-periph.c')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra-periph.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 9b04139f331d..e8d6f2f20141 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -118,75 +118,78 @@ _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, \ - _clk_num, _gate_flags, _clk_id, _parents##_idx, 0) + _clk_num, _gate_flags, _clk_id, _parents##_idx, 0,\ + NULL) #define MUX_FLAGS(_name, _parents, _offset,\ _clk_num, _gate_flags, _clk_id, flags)\ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\ - _clk_num, _gate_flags, _clk_id, _parents##_idx, flags) + _clk_num, _gate_flags, _clk_id, _parents##_idx, flags,\ + NULL) #define MUX8(_name, _parents, _offset, \ _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\ - _clk_num, _gate_flags, _clk_id, _parents##_idx, 0) + _clk_num, _gate_flags, _clk_id, _parents##_idx, 0,\ + NULL) #define INT(_name, _parents, _offset, \ _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_INT| \ TEGRA_DIVIDER_ROUND_UP, _clk_num, _gate_flags,\ - _clk_id, _parents##_idx, 0) + _clk_id, _parents##_idx, 0, NULL) #define INT_FLAGS(_name, _parents, _offset,\ _clk_num, _gate_flags, _clk_id, flags)\ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_INT| \ TEGRA_DIVIDER_ROUND_UP, _clk_num, _gate_flags,\ - _clk_id, _parents##_idx, flags) + _clk_id, _parents##_idx, flags, NULL) #define INT8(_name, _parents, _offset,\ _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_INT| \ TEGRA_DIVIDER_ROUND_UP, _clk_num, _gate_flags,\ - _clk_id, _parents##_idx, 0) + _clk_id, _parents##_idx, 0, NULL) #define UART(_name, _parents, _offset,\ _clk_num, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 30, MASK(2), 0, 0, 16, 1, TEGRA_DIVIDER_UART| \ TEGRA_DIVIDER_ROUND_UP, _clk_num, 0, _clk_id,\ - _parents##_idx, 0) + _parents##_idx, 0, NULL) #define I2C(_name, _parents, _offset,\ _clk_num, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 30, MASK(2), 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP,\ - _clk_num, 0, _clk_id, _parents##_idx, 0) + _clk_num, 0, _clk_id, _parents##_idx, 0, NULL) #define XUSB(_name, _parents, _offset, \ _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset, \ 29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_INT| \ TEGRA_DIVIDER_ROUND_UP, _clk_num, _gate_flags,\ - _clk_id, _parents##_idx, 0) + _clk_id, _parents##_idx, 0, NULL) #define AUDIO(_name, _offset, _clk_num,\ _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, mux_d_audio_clk, \ _offset, 16, 0xE01F, 0, 0, 8, 1, \ TEGRA_DIVIDER_ROUND_UP, _clk_num, _gate_flags, \ - _clk_id, mux_d_audio_clk_idx, 0) + _clk_id, mux_d_audio_clk_idx, 0, NULL) #define NODIV(_name, _parents, _offset, \ _mux_shift, _mux_mask, _clk_num, \ - _gate_flags, _clk_id) \ + _gate_flags, _clk_id, _lock) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ _mux_shift, _mux_mask, 0, 0, 0, 0, 0,\ _clk_num, (_gate_flags) | TEGRA_PERIPH_NO_DIV,\ - _clk_id, _parents##_idx, 0) + _clk_id, _parents##_idx, 0, _lock) #define GATE(_name, _parent_name, \ _clk_num, _gate_flags, _clk_id, _flags) \ @@ -195,7 +198,7 @@ .clk_id = _clk_id, \ .p.parent_name = _parent_name, \ .periph = TEGRA_CLK_PERIPH(0, 0, 0, 0, 0, 0, 0, \ - _clk_num, _gate_flags, 0), \ + _clk_num, _gate_flags, 0, NULL), \ .flags = _flags \ } @@ -414,8 +417,8 @@ static struct tegra_periph_init_data periph_clks[] = { MUX8("soc_therm", mux_pllm_pllc_pllp_plla, CLK_SOURCE_SOC_THERM, 78, TEGRA_PERIPH_ON_APB, tegra_clk_soc_therm), MUX8("vi_sensor", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR, 20, TEGRA_PERIPH_NO_RESET, tegra_clk_vi_sensor_8), MUX_FLAGS("csite", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_CSITE, 73, TEGRA_PERIPH_ON_APB, tegra_clk_csite, CLK_IGNORE_UNUSED), - NODIV("disp1", mux_pllp_pllm_plld_plla_pllc_plld2_clkm, CLK_SOURCE_DISP1, 29, 7, 27, 0, tegra_clk_disp1), - NODIV("disp2", mux_pllp_pllm_plld_plla_pllc_plld2_clkm, CLK_SOURCE_DISP2, 29, 7, 26, 0, tegra_clk_disp2), + NODIV("disp1", mux_pllp_pllm_plld_plla_pllc_plld2_clkm, CLK_SOURCE_DISP1, 29, 7, 27, 0, tegra_clk_disp1, NULL), + NODIV("disp2", mux_pllp_pllm_plld_plla_pllc_plld2_clkm, CLK_SOURCE_DISP2, 29, 7, 26, 0, tegra_clk_disp2, NULL), UART("uarta", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTA, 6, tegra_clk_uarta), UART("uartb", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTB, 7, tegra_clk_uartb), UART("uartc", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTC, 55, tegra_clk_uartc), |