diff options
| author | Alex Gonzalez <alex.gonzalez@digi.com> | 2012-01-11 10:10:10 +0100 |
|---|---|---|
| committer | Alex Gonzalez <alex.gonzalez@digi.com> | 2012-01-11 16:09:14 +0100 |
| commit | f19491efdd049238a985cbcee0691c751dac1726 (patch) | |
| tree | 2097d09b223772624b4b61c25e33e4bb087bf180 /arch/arm/mach-mx5/pm_da9053.c | |
| parent | c4020f37cbe491fd241b47084e2688574949f14d (diff) | |
ccxmx53: Workaround for suspend halt.
Strangely, if we don't enable and disable the I2C clock before suspend
the target halts while suspending.
This needs to be investigated although this commit is a workaround that
allows to continue working.
Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
Diffstat (limited to 'arch/arm/mach-mx5/pm_da9053.c')
| -rw-r--r-- | arch/arm/mach-mx5/pm_da9053.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/pm_da9053.c b/arch/arm/mach-mx5/pm_da9053.c index 4a07b1680813..259ab8dad098 100644 --- a/arch/arm/mach-mx5/pm_da9053.c +++ b/arch/arm/mach-mx5/pm_da9053.c @@ -383,6 +383,20 @@ int da9053_suspend_cmd_sw(void) return 0; } +int da9053_ccxmx53_suspend_workaround(void) +{ + struct clk *i2c_clk; + + i2c_clk = clk_get(NULL, "i2c_clk"); + if (IS_ERR(i2c_clk)) { + pr_err("unable to get i2c clk\n"); + return PTR_ERR(i2c_clk); + } + clk_enable(i2c_clk); + clk_disable(i2c_clk); + clk_put(i2c_clk); + return 0; +} int da9053_suspend_cmd_hw(void) { |