From cb3cabd6788dd8c2e87dc7262a45a24e063681a3 Mon Sep 17 00:00:00 2001 From: Florian Vaussard <florian.vaussard@epfl.ch> Date: Tue, 18 Jun 2013 15:18:00 +0200 Subject: mfd: twl4030-power: Fix relocking on error If an error occurs when loading power scripts or resources, the registers are not correctly relocked. Fix it. Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> --- drivers/mfd/twl4030-power.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c index d027581e7eb..a5fd3c73821 100644 --- a/drivers/mfd/twl4030-power.c +++ b/drivers/mfd/twl4030-power.c @@ -558,6 +558,7 @@ int twl4030_power_probe(struct platform_device *pdev) struct twl4030_power_data *pdata = pdev->dev.platform_data; struct device_node *node = pdev->dev.of_node; int err = 0; + int err2 = 0; u8 val; if (!pdata && !node) { @@ -581,12 +582,12 @@ int twl4030_power_probe(struct platform_device *pdev) err = twl4030_power_configure_scripts(pdata); if (err) { pr_err("TWL4030 failed to load scripts\n"); - return err; + goto relock; } err = twl4030_power_configure_resources(pdata); if (err) { pr_err("TWL4030 failed to configure resource\n"); - return err; + goto relock; } } @@ -612,10 +613,13 @@ int twl4030_power_probe(struct platform_device *pdev) } relock: - err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, 0, + err2 = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, 0, TWL4030_PM_MASTER_PROTECT_KEY); - if (err) + if (err2) { pr_err("TWL4030 Unable to relock registers\n"); + return err2; + } + return err; } -- cgit v1.2.3-18-g5258