Add missing regulator_disable() as devm_action to avoid dedicated unbind() callback and fix the missing error handling.
Fixes: fcbc51e54d2a ("staging: drm/imx: Add support for Television Encoder (TVEv2)") Signed-off-by: Marco Felsch m.felsch@pengutronix.de --- Note: This patch depends on: 14422f14da81 ("component: allow missing unbind callback")
drivers/gpu/drm/imx/imx-tve.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 9fd4b464e829..f91c3eb7697b 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -494,6 +494,13 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve) return 0; }
+static void imx_tve_disable_regulator(void *data) +{ + struct imx_tve *tve = data; + + regulator_disable(tve->dac_reg); +} + static bool imx_tve_readable_reg(struct device *dev, unsigned int reg) { return (reg % 4 == 0) && (reg <= 0xdc); @@ -617,6 +624,9 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data) ret = regulator_enable(tve->dac_reg); if (ret) return ret; + ret = devm_add_action_or_reset(dev, imx_tve_disable_regulator, tve); + if (ret) + return ret; }
tve->clk = devm_clk_get(dev, "tve"); @@ -661,18 +671,8 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data) return 0; }
-static void imx_tve_unbind(struct device *dev, struct device *master, - void *data) -{ - struct imx_tve *tve = dev_get_drvdata(dev); - - if (!IS_ERR(tve->dac_reg)) - regulator_disable(tve->dac_reg); -} - static const struct component_ops imx_tve_ops = { .bind = imx_tve_bind, - .unbind = imx_tve_unbind, };
static int imx_tve_probe(struct platform_device *pdev)