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path: root/drivers/clk/imx/clk-imx8-acm.c (follow)
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2024-11-05clk: imx: imx8-acm: Fix return value check in clk_imx_acm_attach_pm_domains()Yang Yingliang1-2/+2
If device_link_add() fails, it returns NULL pointer not ERR_PTR(), replace IS_ERR() with NULL pointer check, and return -EINVAL. Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Abel Vesa <abel.vesa@linaro.org> Link: https://lore.kernel.org/r/20241026112452.1523-1-yangyingliang@huaweicloud.com Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2024-09-21clk: Switch back to struct platform_driver::remove()Uwe Kleine-König1-1/+1
After commit 0edb555a65d1 ("platform: Make platform_driver::remove() return void") .remove() is (again) the right callback to implement for platform drivers. Convert all clk drivers to use .remove(), with the eventual goal to drop struct platform_driver::remove_new(). As .remove() and .remove_new() have the same prototypes, conversion is done by just changing the structure member name in the driver initializer. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Link: https://lore.kernel.org/r/20240909144026.870565-2-u.kleine-koenig@baylibre.com Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> # renesas Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2024-08-29clk: imx: imx8: Use clk_hw pointer for self registered clock in clk_parent_dataShengjiu Wang1-9/+29
"acm_aud_clk0_sel" and "acm_aud_clk1_sel" are registered by this ACM driver, but they are the parent clocks for other clocks, in order to use assigned-clock-parents in device tree, the ".fw_name" can't be used, need to assign the clk_hw pointer for the imx8qm_mclk_sels[], imx8qxp_mclk_sels[], imx8dxl_mclk_sels[]. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/1720600860-18866-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2024-03-08clk: imx: imx8-acm: Convert to platform remove callback returning voidUwe Kleine-König1-4/+2
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>
2023-10-04clk: imx8: remove MLB supportPeng Fan1-3/+3
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>
2023-10-04clk: imx: imx8: Simplify clk_imx_acm_detach_pm_domains()Christophe JAILLET1-5/+3
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>
2023-10-04clk: imx: imx8: Add a message in case of devm_clk_hw_register_mux_parent_data_table() errorChristophe JAILLET1-2/+1
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>
2023-10-04clk: imx: imx8: Fix an error handling path in imx8_acm_clk_probe()Christophe JAILLET1-3/+6
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>
2023-10-04clk: imx: imx8: Fix an error handling path if devm_clk_hw_register_mux_parent_data_table() failsChristophe JAILLET1-0/+1
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>
2023-10-04clk: imx: imx8: Fix an error handling path in clk_imx_acm_attach_pm_domains()Christophe JAILLET1-2/+4
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>
2023-08-14clk: imx: imx8: add audio clock mux driverShengjiu Wang1-0/+476
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>