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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/ba373ce7341518216a4940e76ce61d759b912b3d.1709721042.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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MLB was de-featured, so drop MLB clk for i.MX8QM/QXP/DXL
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230912-imx8-clk-v1-v1-5-69a34bcfcae1@nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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The return value of clk_imx_acm_detach_pm_domains() is never used.
Simplify the code and turn it into a void function.
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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If devm_clk_hw_register_mux_parent_data_table() fails, we branch to the
error handling path and imx_check_clk_hws() is never called.
Actually, imx_check_clk_hws() is a no-op because values in 'hws' are either
valid, either NULL.
Move the call to imx_check_clk_hws() in the error handling path, so that
an error is logged.
Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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If an error occurs after a successful clk_imx_acm_attach_pm_domains() call,
it must be undone.
Add an explicit error handling path, re-order the code and add the missing
clk_imx_acm_detach_pm_domains() call.
Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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If a devm_clk_hw_register_mux_parent_data_table() call fails, it is likely
that the probe should fail with an error code.
Set 'ret' before leaving the function.
Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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If a dev_pm_domain_attach_by_id() call fails, previously allocated
resources need to be released.
Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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The Audio Clock Mux (ACM) is a collection of control registers
and multiplexers that are used to route the audio source clocks
to the audio peripherals.
Each audio peripheral has its dedicated audio clock mux
(which differ based on usage) and control register.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/1690260984-25744-3-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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Uwe Kleine-König
Peng Fan
Christophe JAILLET
Shengjiu Wang