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clk: tegra: Workaround for Tegra114 MSENC problem

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Workaround a hardware bug in MSENC during clock enable.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Peter De Schrijver
2013-04-03 17:40:44 +03:00
committed by Stephen Warren
parent a26a029893
commit fdcccbd804
2 changed files with 11 additions and 0 deletions
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2
drivers/clk/tegra/clk.h
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@@ -358,6 +358,7 @@ struct tegra_clk_periph_regs {
* TEGRA_PERIPH_ON_APB - If peripheral is in the APB bus then read the
* bus to flush the write operation in apb bus. This flag indicates
* that this peripheral is in apb bus.
* TEGRA_PERIPH_WAR_1005168 - Apply workaround for Tegra114 MSENC bug
*/
struct tegra_clk_periph_gate {
u32 magic;
@@ -377,6 +378,7 @@ struct tegra_clk_periph_gate {
#define TEGRA_PERIPH_NO_RESET BIT(0)
#define TEGRA_PERIPH_MANUAL_RESET BIT(1)
#define TEGRA_PERIPH_ON_APB BIT(2)
#define TEGRA_PERIPH_WAR_1005168 BIT(3)
void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert);
extern const struct clk_ops tegra_clk_periph_gate_ops;